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supergpqa
What is myocarditis characterized by granulomatous lesions?
E) Idiopathic Giant Cell Myocarditis
[ [ "A", "Bacterial Myocarditis" ], [ "B", "Viral Myocarditis" ], [ "C", "Alcoholic Myocarditis" ], [ "D", "Toxoplasma Myocarditis" ], [ "E", "Idiopathic Giant Cell Myocarditis" ], [ "F", "Sarcoid Myocarditis" ], [ "G", "Fungal Myocarditis" ] ]
E
Idiopathic Giant Cell Myocarditis
Medicine
Clinical Medicine
Internal Medicine
easy
4811d809fd0f491b994e419c7d660512
10
supergpqa
Which is correct about the division of powers between the NPC and the NPC Standing Committee?
G) The National People's Congress approves the state budget, and the Standing Committee of the National People's Congress approves some adjustment plans for the state budget
[ [ "A", "The National People's Congress decides on military strategies, and the Standing Committee of the National People's Congress manages national defense assignments" ], [ "B", "The National People's Congress finalizes foreign treaties, and the Standing Committee of the National People's Congress ratifies those foreign treaties" ], [ "C", "The National People's Congress approves education policies, and the Standing Committee of the National People's Congress approves curriculum changes" ], [ "D", "The National People's Congress approves regional laws, and the Standing Committee of the National People's Congress approves amendments to these laws" ], [ "E", "The National People's Congress determines taxation policies, and the Standing Committee of the National People's Congress regulates fiscal" ], [ "F", "The NPC decides on the establishment of special administrative regions, and the NPC Standing Committee decides on their social system" ], [ "G", "The National People's Congress approves the state budget, and the Standing Committee of the National People's Congress approves some adjustment plans for the state budget" ], [ "H", "The National People's Congress handles defense appropriations, and the Standing Committee of the National People's Congress handles local defense maneuvers" ], [ "I", "The National People's Congress approved the construction of autonomous regions, and the Standing Committee of the National People's Congress approved the construction of autonomous counties" ], [ "J", "The NPC decides the selection of the Premier of The State Council, and the NPC Standing Committee decides the selection of the vice Premier of The State Council" ] ]
G
The National People's Congress approves the state budget, and the Standing Committee of the National People's Congress approves some adjustment plans for the state budget
Law
Law
Constitutional and Administrative Law
easy
cfd9d7cbb0d7489394efa6b398a70c52
10
supergpqa
When kaolinate clay Al2(Si2O5)(OH)4 is heated to a sufficient high temperature, chemical water is driven off. Under these circumstances, what is the composition of the remaining product (in weight percent A12O3)?
J) $$ 4 5. 9 {\mathrm{~ w t}} \% $$
[ [ "A", "$$\n5 0. 1 {\\mathrm{~ w t}} \\%\n$$" ], [ "B", "$$\n4 6. 8 {\\mathrm{~ w t}} \\%\n$$" ], [ "C", "$$\n4 6. 0 {\\mathrm{~ w t}} \\%\n$$" ], [ "D", "$$\n4 9. 4 {\\mathrm{~ w t}} \\%\n$$" ], [ "E", "$$\n4 4. 3 {\\mathrm{~ w t}} \\%\n$$" ], [ "F", "$$\n4 7. 2 {\\mathrm{~ w t}} \\%\n$$" ], [ "G", "$$\n4 8. 6 {\\mathrm{~ w t}} \\%\n$$" ], [ "H", "$$\n5 1. 7 {\\mathrm{~ w t}} \\%\n$$" ], [ "I", "$$\n4 3. 9 {\\mathrm{~ w t}} \\%\n$$" ], [ "J", "$$\n4 5. 9 {\\mathrm{~ w t}} \\%\n$$" ] ]
J
$$ 4 5. 9 {\mathrm{~ w t}} \% $$
Science
Chemistry
Inorganic Chemistry
hard
3b4019a2a1204a18af902a1ada2e2ffa
0
supergpqa
The survival curve graph uses relative age as the horizontal axis and the corresponding number of survivors as the vertical axis. Which of the following statements about the survival curve is the only correct one?
H) A concave survival curve indicates a high mortality rate among juveniles.
[ [ "A", "The survival curves of animal populations in nature are one of the three types mentioned above." ], [ "B", "A convex survival curve indicates that the mortality rate is consistent across all age groups." ], [ "C", "A convex survival curve represents a high mortality rate throughout all life stages." ], [ "D", "A convex survival curve indicates a high mortality rate among juveniles." ], [ "E", "A concave survival curve suggests mortality rates are equal in all age groups." ], [ "F", "A linear survival curve indicates that the mortality rate increases with age." ], [ "G", "A convex survival curve means mortality rate decreases steadily with age." ], [ "H", "A concave survival curve indicates a high mortality rate among juveniles." ], [ "I", "A concave survival curve indicates a constant mortality rate among all ages." ], [ "J", "A linear survival curve shows no variation in mortality rates across different life stages." ] ]
H
A concave survival curve indicates a high mortality rate among juveniles.
Science
Biology
Ecology
hard
48d78716c984461b8b8c5561149164e7
0
supergpqa
Two waves of light in air have the same wavelength and are initially in phase. They then travel through plastic layers with thickness of $L_{1}=3.5mm$ and $L_{2}=5.0mm$ and indices of refraction $n_{1}=  1.7$ and $n_{2}=1.25$ as shown in the figure. The rays later arrive at a common point. The longest wavelength of light for which constructive interference occurs at the point is
I) $$1.2\mu m$$
[ [ "A", "1.8\\mu m" ], [ "B", "$$1.7 \\mu m$$" ], [ "C", "1.5 \\mu m" ], [ "D", "1.6 \\mu m" ], [ "E", "1.3\\mu m" ], [ "F", "1.4 \\mu m" ], [ "G", "$$2.9 \\mu m$$" ], [ "H", "1.9 \\mu m" ], [ "I", "$$1.2\\mu m$$" ], [ "J", "$$0.8\\mu m$$" ] ]
I
$$1.2\mu m$$
Engineering
Optical Engineering
Theoretical Optics
medium
c7809493d11b4b34bce83c5b4435a269
7
supergpqa
If customers arrive according to a Poisson process at an average rate of 2 per minute, find the probability that a total of 3 customers arrive in the time intervals $[1, 3)$ and $[3, 5)$ is ().
A) $$ \frac{2 5 6} {3} \mathrm{e}^{-8} $$
[ [ "A", "$$\n\\frac{2 5 6} {3} \\mathrm{e}^{-8}\n$$" ], [ "B", "$$\n\\frac{2 5 7} {3} \\mathrm{e}^{-8}\n$$" ], [ "C", "$$\n\\frac{1 5 6} {3} \\mathrm{e}^{-9}\n$$" ], [ "D", "$$\n\\frac{1 4 9} {3} \\mathrm{e}^{-6}\n$$" ], [ "E", "$$\n\\frac{3 5 6} {3} \\mathrm{e}^{-7}\n$$" ], [ "F", "$$\n\\frac{2 5 6} {4} \\mathrm{e}^{-9}\n$$" ], [ "G", "$$\n\\frac{3 6 9} {4} \\mathrm{e}^{-8}\n$$" ], [ "H", "$$\n\\frac{2 5 6} {5} \\mathrm{e}^{-8}\n$$" ], [ "I", "$$\n\\frac{2 4 6} {3} \\mathrm{e}^{-7}\n$$" ], [ "J", "$$\n\\frac{2 7 6} {3} \\mathrm{e}^{-8}\n$$" ] ]
A
$$ \frac{2 5 6} {3} \mathrm{e}^{-8} $$
Science
Mathematics
Stochastic Processes
hard
04244929514846f2a94aa9f24691a03f
0
supergpqa
Determine 0.1 mol/L $\mathrm{Cl}^{-}$ using the ferric ammonium alum indicator method. In the presence of $\mathrm{AgCl}$ precipitate, titrate back the excess 0.1 mol/L $\mathrm{AgNO_{3}}$ with a 0.1 mol/L $\mathrm{KSCN}$ standard solution. The final volume of the solution in titration is 70 ml, with $\left[ \mathrm{Fe^{3+}} \right] = 0.015 \mathrm{mol/L}$. When a distinct endpoint is observed, ($[\mathrm{FeSCN^{2+}}] = 6.0 \times 10^{-6} \mathrm{mol/L}$), what is the excess volume of $\mathrm{KSCN}$ standard solution consumed due to the conversion of the precipitate? ($K_{\mathrm{FeSCN}} = 200$)
C) $0.23ml$
[ [ "A", "$0.35ml$" ], [ "B", "$0.15ml$" ], [ "C", "$0.23ml$" ], [ "D", "$0.33ml$" ], [ "E", "$0.25ml$" ], [ "F", "$0.29ml$" ], [ "G", "$0.27ml$" ], [ "H", "$0.19ml$" ], [ "I", "$0.21ml$" ], [ "J", "$0.31ml$" ] ]
C
$0.23ml$
Science
Chemistry
Analytical Chemistry
hard
340470e654f84563bd79ca55b2b52e16
0
supergpqa
How many collisions does a single Ar atom make in 1.0 s when the temperature is 25°C and the pressure is 10bar?
C) $$ 5. 3 \times1 0^{1 0} \mathrm{s}^{-1} $$
[ [ "A", "$$\n8. 0 \\times1 0^{1 0} \\mathrm{s}^{-1}\n$$" ], [ "B", "$$\n9. 4 \\times1 0^{1 0} \\mathrm{s}^{-1}\n$$" ], [ "C", "$$\n5. 3 \\times1 0^{1 0} \\mathrm{s}^{-1}\n$$" ], [ "D", "$$\n3. 2 \\times1 0^{1 0} \\mathrm{s}^{-1}\n$$" ], [ "E", "$$\n6. 1 \\times1 0^{1 0} \\mathrm{s}^{-1}\n$$" ], [ "F", "$$\n2. 9 \\times1 0^{1 0} \\mathrm{s}^{-1}\n$$" ], [ "G", "$$\n1. 3 \\times1 0^{1 0} \\mathrm{s}^{-1}\n$$" ], [ "H", "$$\n7. 6 \\times1 0^{1 0} \\mathrm{s}^{-1}\n$$" ], [ "I", "$$\n4. 2 \\times1 0^{1 0} \\mathrm{s}^{-1}\n$$" ], [ "J", "$$\n3. 5 \\times1 0^{1 0} \\mathrm{s}^{-1}\n$$" ] ]
C
$$ 5. 3 \times1 0^{1 0} \mathrm{s}^{-1} $$
Science
Physics
Thermodynamics and Statistical Physics
hard
758d6b7abc364166a4ddd00187308e7c
0
supergpqa
What is a "harmonic minor" in tonal theory?
E) a scale that rises on the seventh fret
[ [ "A", "a scale that changes the third note" ], [ "B", "a scale that skips the second sequence" ], [ "C", "a scale that omits the fifth interval" ], [ "D", "a scale that descends on the fifth fret" ], [ "E", "a scale that rises on the seventh fret" ], [ "F", "a scale that lowers the seventh degree" ], [ "G", "a scale that repeats the first tone" ], [ "H", "a scale that adjusts the fourth degree" ], [ "I", "a scale that flats the sixth tone" ], [ "J", "a scale that alters the sixth degree" ] ]
E
a scale that rises on the seventh fret
Literature and Arts
Musicology
Pitch and Scales
hard
0fcae50a6cbf469ca62d4e1ab9010834
0
supergpqa
The operating temperatures of the nitrogen single-stage throttle liquefier are set at 290K and 71.9K. Assume the nitrogen gas is isothermally and reversibly compressed to 10.1MPa, with its low pressure corresponding to the saturated vapor pressure of liquid nitrogen at 71.9K (0.05MPa). If the heat exchanger is ideal and the system is perfectly insulated, determine the liquefaction rate and the degree of thermodynamic perfection of the liquefaction system.
C) $$0.049,0.088$$
[ [ "A", "$$0.046,0.093$$" ], [ "B", "$$0.051,0.087$$" ], [ "C", "$$0.049,0.088$$" ], [ "D", "$$0.037,0.084$$" ], [ "E", "$$0.058,0.085$$" ], [ "F", "$$0.060,0.092$$" ], [ "G", "$$0.071,0.094$$" ], [ "H", "$$0.043,0.081$$" ], [ "I", "$$0.032,0.075$$" ], [ "J", "$$0.055,0.089$$" ] ]
C
$$0.049,0.088$$
Engineering
Power Engineering and Engineering Thermophysics
Refrigeration and Cryogenic Engineering
hard
d8c40002b2b940ccbeb5a995898cacb1
0
supergpqa
What is the units (i.e., rightmost) digit of \[ \left\lfloor \frac{10^{20000}}{10^{100}+3}\right\rfloor ? \] %Here $\lfloor x \rfloor$ is the greatest integer less than or equal to %$x$.
I) 3
[ [ "A", "5" ], [ "B", "1" ], [ "C", "7" ], [ "D", "6" ], [ "E", "4" ], [ "F", "2" ], [ "G", "9" ], [ "H", "8" ], [ "I", "3" ] ]
I
3
Science
Mathematics
Number Theory
easy
5da832f213b34ec3b0f2f5f352bf7841
10
supergpqa
What is the wheel diameter of the British Rail Class 92 in meters?
E) 1.14 m
[ [ "A", "1.13 m" ], [ "B", "1.15 m" ], [ "C", "1.16 m" ], [ "D", "1.142 m" ], [ "E", "1.14 m" ], [ "F", "1.143 m" ], [ "G", "1.141 m" ], [ "H", "1.145 m" ], [ "I", "1.12 m" ], [ "J", "1.17 m" ] ]
E
1.14 m
Engineering
Transportation Engineering
Vehicle Operation Engineering
hard
f33c57a6571a44f5929116c5774d1ffc
0
supergpqa
A stainless steel ingot with a length of 0.2 m and a diameter of 0.05 m has a thermal diffusivity $\alpha=0.0156 \, \mathrm{m}^2 /\mathrm{h}$ and a thermal conductivity $k=20 \, \mathrm{W}/(\mathrm{m} \, \mathrm{K})$, with an initial temperature of 363 K. This steel ingot is placed in a furnace heated to a temperature of 1473 K. The combined heat transfer coefficient between the surface of the steel ingot and the surrounding environment (including convection and radiation) is $100 \, \mathrm{W}/(\mathrm{m}^2 \, \mathrm{K})$. Calculate the time required for the steel ingot to reach a temperature of 1073 K.
H) $$ = 0. 1 4 4 \, \mathrm{h} $$
[ [ "A", "$$\n= 0. 1 1 2 \\, \\mathrm{h}\n$$" ], [ "B", "$$\n= 0. 0 5 4 \\, \\mathrm{h}\n$$" ], [ "C", "$$\n= 0. 2 4 9 \\, \\mathrm{h}\n$$" ], [ "D", "$$\n= 0. 0 9 8 \\, \\mathrm{h}\n$$" ], [ "E", "$$\n= 0. 2 6 2 \\, \\mathrm{h}\n$$" ], [ "F", "$$\n= 0. 0 7 1 \\, \\mathrm{h}\n$$" ], [ "G", "$$\n= 0. 2 0 8 \\, \\mathrm{h}\n$$" ], [ "H", "$$\n= 0. 1 4 4 \\, \\mathrm{h}\n$$" ], [ "I", "$$\n= 0. 1 7 6 \\, \\mathrm{h}\n$$" ], [ "J", "$$\n= 0. 3 0 3 \\, \\mathrm{h}\n$$" ] ]
H
$$ = 0. 1 4 4 \, \mathrm{h} $$
Engineering
Power Engineering and Engineering Thermophysics
Heat Transfer
hard
968eff3b4bf04b56871dfd8195dfd99c
0
supergpqa
Many ions and compounds have very similar names, and there is great potential for confusing them. Write the correct chemical formulas to distinguish between: (a) calcium sulfide and calcium hydrogen sulfide, (b) hydrobromic acid and bromic acid, (c) aluminum ni- tride and aluminum nitrite, (d) iron(ll) oxide and iron(II) oxide, (e) ammonia and ammonium ion,
D) $$ \mathrm{C a S, C a ( H S )_{2}} $$ $$ \mathrm{H B r}, \mathrm{H B r} O $$ $$ \mathrm{AlN}, \mathrm{Al( N O_{2} )_{3}} $$ $$ \mathrm{F e O}, \mathrm{F e}_{2} \mathrm{O}_{3} $$ $$ \mathrm{N H_{3}, N H_{4}}^{+} $$
[ [ "A", "$$\n\\mathrm{C a S, C a S N}\n$$\n$$\n\\mathrm{H B r}, \\mathrm{H B r N}\n$$\n$$\n\\mathrm{A I N}, \\mathrm{A I ( N H_{2} )_{3}}\n$$\n$$\n\\mathrm{F e O}, \\mathrm{F e}_{4} \\mathrm{O}_{2}\n$$\n$$\n\\mathrm{N H_{3}, N H_{4}} O\n$$" ], [ "B", "$$\n\\mathrm{C a S, C a H S}\n$$\n$$\n\\mathrm{H B r}, \\mathrm{H B r} O_{3}\n$$\n$$\n\\mathrm{A I N}, \\mathrm{A I N O_{2}}\n$$\n$$\n\\mathrm{F e O}, \\mathrm{F e}_{2} \\mathrm{O}_{2}\n$$\n$$\n\\mathrm{N H_{3}, N H_{4}}^{-}\n$$" ], [ "C", "$$\n\\mathrm{C a S, C a S O_{4}}\n$$\n$$\n\\mathrm{H B r}, \\mathrm{H B r} O_{2}\n$$\n$$\n\\mathrm{A I N}, \\mathrm{A I O_{2}}\n$$\n$$\n\\mathrm{F e O}, \\mathrm{F e}_{2} \\mathrm{O}_{4}\n$$\n$$\n\\mathrm{N H_{3}, N H_{}_{2}^{+}}\n$$" ], [ "D", "$$\n\\mathrm{C a S, C a ( H S )_{2}}\n$$\n$$\n\\mathrm{H B r}, \\mathrm{H B r} O\n$$\n$$\n\\mathrm{AlN}, \\mathrm{Al( N O_{2} )_{3}}\n$$\n$$\n\\mathrm{F e O}, \\mathrm{F e}_{2} \\mathrm{O}_{3}\n$$\n$$\n\\mathrm{N H_{3}, N H_{4}}^{+}\n$$" ], [ "E", "$$\n\\mathrm{C a S, C a F S}\n$$\n$$\n\\mathrm{H B r}, \\mathrm{H B r O_{\\mathrm{4}} {}}\n$$\n$$\n\\mathrm{A I N}, \\mathrm{A l N} O\n$$\n$$\n\\mathrm{F e O}, \\mathrm{F e}_{0} \\mathrm{O}_{3}\n$$\n$$\n\\mathrm{N H_{3}, N H_{3}}^{*}\n$$" ], [ "F", "$$\n\\mathrm{C a S, C a H O S}\n$$\n$$\n\\mathrm{H B r}, \\mathrm{H B r} O_{3}\n$$\n$$\n\\mathrm{A I N}, \\mathrm{A I ( N O_{2} )_{5}}\n$$\n$$\n\\mathrm{F e O}, \\mathrm{F e O}_{3}\n$$\n$$\n\\mathrm{N H_{3}, N H_{5}}^{+}\n$$" ], [ "G", "$$\n\\mathrm{C a S, C a O H_{2}}\n$$\n$$\n\\mathrm{H B r}, \\mathrm{H B r O_{4}}\n$$\n$$\n\\mathrm{A I N}, \\mathrm{A I ( N O_{3} )_{3}}\n$$\n$$\n\\mathrm{F e O}, \\mathrm{F e}_{3} \\mathrm{O}_{3}\n$$\n$$\n\\mathrm{N H_{3}, N O_{3}}^{-}\n$$" ], [ "H", "$$\n\\mathrm{C a S, C a ( H O S )_{2}}\n$$\n$$\n\\mathrm{H B r}, \\mathrm{H B r} F_{3}\n$$\n$$\n\\mathrm{A I N}, \\mathrm{A I ( O_{2} )_{3}}\n$$\n$$\n\\mathrm{F e O}, \\mathrm{F e}_{5} \\mathrm{O}_{3}\n$$\n$$\n\\mathrm{N H_{3}, N H_{3}}^{-}\n$$" ], [ "I", "$$\n\\mathrm{C a S, C a H_{2} S_{2}}\n$$\n$$\n\\mathrm{H B r}, \\mathrm{H B r O_{3}}\n$$\n$$\n\\mathrm{A I N}, \\mathrm{A I ( N O_{2} )_{4}}\n$$\n$$\n\\mathrm{F e O}, \\mathrm{F e}_{3} \\mathrm{O}_{2}\n$$\n$$\n\\mathrm{N H_{3}, N O_{4}}^{+}\n$$" ], [ "J", "$$\n\\mathrm{C a S, C a ( H S }_{3} )\n$$\n$$\n\\mathrm{H B r}, \\mathrm{H B r} O_{2}\n$$\n$$\n\\mathrm{A I N}, \\mathrm{A I ( N O )_{3}}\n$$\n$$\n\\mathrm{F e O}, \\mathrm{F e O}_{2}\n$$\n$$\n\\mathrm{N H_{3}, N H}\n$$" ] ]
D
$$ \mathrm{C a S, C a ( H S )_{2}} $$ $$ \mathrm{H B r}, \mathrm{H B r} O $$ $$ \mathrm{AlN}, \mathrm{Al( N O_{2} )_{3}} $$ $$ \mathrm{F e O}, \mathrm{F e}_{2} \mathrm{O}_{3} $$ $$ \mathrm{N H_{3}, N H_{4}}^{+} $$
Science
Chemistry
Inorganic Chemistry
medium
b53981a0d3a347d6bcc3539fc89aae64
6
supergpqa
_______ refer to the collective term for various stars and interstellar matter in the universe.
A) Celestial bodies
[ [ "A", "Celestial bodies" ], [ "B", "Cosmic entities" ], [ "C", "Galactic objects" ], [ "D", "Interstellar substances" ], [ "E", "Universe components" ], [ "F", "Astronomical units" ], [ "G", "Starry entities" ], [ "H", "Space phenomena" ], [ "I", "Astral formations" ], [ "J", "Orbital materials" ] ]
A
Celestial bodies
Science
Astronomy
Stellar and Interstellar Evolution
hard
e0c0de9fffe44f9e963d87dfeb0e29b1
0
supergpqa
When did BAe and the American aircraft manufacturer McDonnell Douglas sign a memorandum of understanding regarding the McDonnell Douglas AV-8B Harrier II? Example answer: mm-yyyy
E) 08-1981
[ [ "A", "08-1985" ], [ "B", "08-1980" ], [ "C", "08-1988" ], [ "D", "08-1982" ], [ "E", "08-1981" ], [ "F", "08-1983" ], [ "G", "08-1984" ], [ "H", "08-1989" ], [ "I", "08-1987" ], [ "J", "08-1986" ] ]
E
08-1981
Engineering
Aeronautical and Astronautical Science and Technology
Aeronautical and Astronautical Science and Technology
hard
229bbb8115444b3a92fc55c6a4c5cf7d
0
supergpqa
According to Article I of the International Bank for Reconstruction and Development Agreement, the purpose of the World Bank is ()
I) to promote private foreign investment by means of guarantees or participations in private loans and private investments
[ [ "A", "to promote private foreign investment by means of guarantees or participations in public loans and private investments" ], [ "B", "to facilitate investment for productive purposes, including to assist in the reconstruction and development of members and to encourage the development of the production and resources of underdeveloped countries" ], [ "C", "to promote private foreign investment by means of guarantees or indirect funding to public loans and private investments" ], [ "D", "to provide loan guarantees in conjunction with international loans in other aspects" ], [ "E", "to promote the long-term balanced development of international trade and maintain the balance of international payments by encouraging international investment to develop the productive resources of members" ], [ "F", "to promote private foreign investment by means of guarantees or direct funding to private loans and private investments" ], [ "G", "to promote private foreign investment by means of grants or direct funding to private loans and private investments" ], [ "H", "to promote private foreign investment by means of guarantees or direct funding to public loans and private investments" ], [ "I", "to promote private foreign investment by means of guarantees or participations in private loans and private investments" ], [ "J", "to promote private foreign investment by means of guarantees or indirect funding to private loans and private investments" ] ]
I
to promote private foreign investment by means of guarantees or participations in private loans and private investments
Economics
Applied Economics
Finance
hard
7816cc4a204348a38bcf94071b252b11
0
supergpqa
Benzene andiso-pentane are mixed at 1.5 atm. and 110°F. Determine the compositions of the liquid and vapor using Raoult'slaw.
C) x_B= 0.13, x_P= 0.87, y_B= 0.02, y_P= 0.98
[ [ "A", "x_B= 0.05, x_P= 0.95, y_B= 0.60, y_P= 0.40" ], [ "B", "x_B= 0.13, x_P= 0.87, y_B= 0.05, y_P= 0.95" ], [ "C", "x_B= 0.13, x_P= 0.87, y_B= 0.02, y_P= 0.98" ], [ "D", "x_B= 0.15, x_P= 0.85, y_B= 0.25, y_P= 0.75" ], [ "E", "x_B= 0.40, x_P= 0.60, y_B= 0.30, y_P= 0.70" ], [ "F", "x_B= 0.50, x_P= 0.50, y_B= 0.20, y_P= 0.80" ], [ "G", "x_B= 0.10, x_P= 0.90, y_B= 0.15, y_P= 0.85" ], [ "H", "x_B= 0.30, x_P= 0.70, y_B= 0.02, y_P= 0.98" ], [ "I", "x_B= 0.20, x_P= 0.80, y_B= 0.10, y_P= 0.90" ], [ "J", "x_B= 0.25, x_P= 0.75, y_B= 0.40, y_P= 0.60" ] ]
C
x_B= 0.13, x_P= 0.87, y_B= 0.02, y_P= 0.98
Engineering
Chemical Engineering and Technology
Mass Transport and Separation Process in Chemical Engineering
hard
85fd7a86245d412e865fda1920b02b2a
0
supergpqa
Let matrix $A=\left( \begin{matrix} {{{1}}} & {{{2}}} & {{{-1}}} & {{{\lambda}}} \\ {{{2}}} & {{{5}}} & {{{\lambda}}} & {{{-1}}} \\ {{{1}}} & {{{1}}} & {{{-6}}} & {{{1 0}}} \\ \end{matrix} \right)$ , and $R(A)=3$. What is the value of $\lambda$ ?
D) $$\lambda\neq3 $$
[ [ "A", "$$\\lambda=0\n$$" ], [ "B", "$$\\lambda=-1\n$$" ], [ "C", "$$\\lambda=1\n$$" ], [ "D", "$$\\lambda\\neq3\n$$" ], [ "E", "$$\\lambda\\neq2\n$$" ], [ "F", "$$\\lambda\\neq0\n$$" ], [ "G", "$$\\lambda=2\n$$" ], [ "H", "$$\\lambda\\neq-1\n$$" ], [ "I", "$$\\lambda\\neq1\n$$" ], [ "J", "$$\\lambda=3\n$$" ] ]
D
$$\lambda\neq3 $$
Science
Mathematics
Advanced Algebra
hard
686184ef1e324badb7973f1bfd21b46c
0
supergpqa
Which of the following statements about the value of $\alpha_{\mathrm{Y ( H )}}$ is correct ( ).
G) The $\alpha_{\mathrm{Y ( H )}}$ value increases with the rising acidity of the solution.
[ [ "A", "The $\\alpha_{\\mathrm{Y ( H )}}$ value is unaffected by temperature variations in the solution." ], [ "B", "The $\\alpha_{\\mathrm{Y ( H )}}$ value is inversely related to the dilution of the solvent." ], [ "C", "The $\\alpha_{\\mathrm{Y ( H )}}$ value is constant across all pH levels in the solution." ], [ "D", "The $\\alpha_{\\mathrm{Y ( H )}}$ value decreases with the decreasing pressure of the gas." ], [ "E", "The $\\alpha_{\\mathrm{Y ( H )}}$ value remains constant regardless of the solution's acidity." ], [ "F", "The $\\alpha_{\\mathrm{Y ( H )}}$ value decreases with the rising salinity of the mixture." ], [ "G", "The $\\alpha_{\\mathrm{Y ( H )}}$ value increases with the rising acidity of the solution." ], [ "H", "The $\\alpha_{\\mathrm{Y ( H )}}$ value is independent of any chemical reaction in progress." ], [ "I", "The $\\alpha_{\\mathrm{Y ( H )}}$ value is solely dependent on the molecular weight of solute." ], [ "J", "The $\\alpha_{\\mathrm{Y ( H )}}$ value decreases with the decreasing acidity of the solvent." ] ]
G
The $\alpha_{\mathrm{Y ( H )}}$ value increases with the rising acidity of the solution.
Science
Chemistry
Physical Chemistry
easy
cce3d83bbefb436dbec535cb80e27c3f
10
supergpqa
The potential energy $U$ for a force field $\overrightarrow { F } $ is such that $U=-kxy$ where $K$ is a constant. Then
J) the force $\overrightarrow { F } $ is a conservative force
[ [ "A", "the force $\\overrightarrow { F } = -kx\\hat { i } + ky\\hat { j }$ is a non-conservative force" ], [ "B", "the force $\\overrightarrow { F } $ is a non-conservative force" ], [ "C", "the force $\\overrightarrow { F } = -kx\\hat { i } - ky\\hat { j }$ is a non-conservative force" ], [ "D", "the force $\\overrightarrow { F } = kx\\hat { i } - ky\\hat { j }$ is a conservative force" ], [ "E", "the force $V$ is a non-conservative force" ], [ "F", "$$\\overrightarrow { F } =kx\\hat { i } +ky\\hat { j } $$" ], [ "G", "$$\\overrightarrow { F } =ky\\hat { i } +kx\\hat { j } $$" ], [ "H", "the force $\\overrightarrow { F } = -ky\\hat { i } - kx\\hat { j }$ is a conservative force" ], [ "I", "the force $\\overrightarrow { F } = kx\\hat { i } + ky\\hat { j }$ is a non-conservative force" ], [ "J", "the force $\\overrightarrow { F } $ is a conservative force" ] ]
J
the force $\overrightarrow { F } $ is a conservative force
Science
Physics
Electrodynamics
medium
d5caa8469129489e95e4ec6a4f2a1909
4
supergpqa
In agriculture, what is usually the crop with high water use efficiency?
J) sorghum, suitable for arid areas
[ [ "A", "soybeans, grown mainly for protein" ], [ "B", "rice, cultivated in flooded fields" ], [ "C", "wheat, harvested in many countries" ], [ "D", "barley, known for brewing beer" ], [ "E", "sunflower, valued for its oil" ], [ "F", "maize, essential for livestock feed" ], [ "G", "alfalfa, used primarily for forage" ], [ "H", "cotton, crucial for textile production" ], [ "I", "millet, a drought-tolerant grain" ], [ "J", "sorghum, suitable for arid areas" ] ]
J
sorghum, suitable for arid areas
Engineering
Agricultural Engineering
Agricultural Environment and Soil-Water Engineering
hard
9274e9fb5a3f458fbfaaaf655e0d6b93
0
supergpqa
The primary purpose of implementing the teacher qualification system is ___.
E) to ensure teacher quality, meeting various teaching needs
[ [ "A", "to standardize the curriculum across different schools" ], [ "B", "to assess the ability and level of qualified teachers" ], [ "C", "to certify teachers for international teaching standards" ], [ "D", "Ensure the Professionalization of the Teaching Profession" ], [ "E", "to ensure teacher quality, meeting various teaching needs" ], [ "F", "to enhance the salaries of qualified educators significantly" ], [ "G", "to provide teachers with ongoing educational opportunities" ], [ "H", "to encourage lifelong learning among experienced educators" ], [ "I", "to restrict non-teacher education professionals from entering the teaching profession" ], [ "J", "to improve student outcomes by changing administrative policies" ] ]
E
to ensure teacher quality, meeting various teaching needs
Education
Education
Theory of Curriculum and Instruction
hard
6c1c02c72c5d4726b024d6823e5f2fca
2
supergpqa
During the actual process of mixing polymers with solvents, the change in the volume of the system is ( ).
E) $$ \Delta V_{\mathrm{M}} < 0 $$
[ [ "A", "$$\n\\Delta V_{\\mathrm{M}} = 1\n$$" ], [ "B", "$$\n\\Delta V_{\\mathrm{M}} \\ll 0\n$$" ], [ "C", "$$\n\\Delta V_{\\mathrm{M}} > 0\n$$" ], [ "D", "$$\n\\Delta V_{\\mathrm{M}} \\approx 0\n$$" ], [ "E", "$$\n\\Delta V_{\\mathrm{M}} < 0\n$$" ], [ "F", "$$\n\\Delta V_{\\mathrm{M}} \\neq 0\n$$" ], [ "G", "$$\n\\Delta V_{\\mathrm{M}} \\geq 0\n$$" ], [ "H", "$$\n\\Delta V_{\\mathrm{M}} \\leq 0\n$$" ], [ "I", "$$\n\\Delta V_{\\mathrm{M}} \\gg 0\n$$" ], [ "J", "$$\n\\Delta V_{\\mathrm{M}} = 0\n$$" ] ]
E
$$ \Delta V_{\mathrm{M}} < 0 $$
Science
Physics
Polymer Physics
hard
83fcb178f0fb4676b061e8ce6f182fda
0
supergpqa
Which of the following measures might have a positive impact on maintaining the healthy development of wildlife populations?
E) Hunting
[ [ "A", "Inbreeding" ], [ "B", "Fishing" ], [ "C", "Captive Breeding" ], [ "D", "Logging" ], [ "E", "Hunting" ], [ "F", "Expand Agricultural Land" ], [ "G", "Eliminate its natural enemies" ], [ "H", "Introduction of Alien Species" ] ]
E
Hunting
Science
Biology
Ecology
hard
4cb7dc7e176d4affab829ab28e1c8f26
0
supergpqa
Two immiscible liquids P and Q of different densities are contained in a wide U-tube. The heights of the two liquids above the horizontal line xx' which cuts the boundary between the liquids are $H_P$  and $H_Q$ respectively. The U-tube is transported to a planet where the acceleration of free fall is 2/3 that on the earth, where the liquids do not evaporate and where the heights of liquid (measured relative to xx') are $h_P$ and $h_Q$ respectively. Which of the given statements is correct?
B) Both liquid levels rise up so that $h_P/H_P = h_Q/H_Q$
[ [ "A", "Both iquid levels rise up so that $h_P - H_Q = H_P - H_Q$" ], [ "B", "Both liquid levels rise up so that $h_P/H_P = h_Q/H_Q$" ], [ "C", "Both liquid levels rise up so that $h_P + H_Q = H_P + h_Q$" ], [ "D", "Both liquid levels fall such that $h_P + H_Q = H_P + h_Q$" ], [ "E", "Both liquid levels fall such that \\( h_P - H_Q = H_P - h_Q \\)" ], [ "F", "Both liquid levels fall such that \\( h_P - H_P = H_Q - h_P \\)" ], [ "G", "Both liquid levels fall such that \\( h_P - H_P = H_Q - h_Q \\)" ], [ "H", "Both liquid levels rise up so that $h_P + H_Q = H_P + H_Q$" ], [ "I", "The liquid P falls and liquid Q rises such that $\\dfrac{h_P}{h_Q} = \\dfrac{2}{3} \\frac{H_P}{H_Q}$" ], [ "J", "The liquid levels are unchanged, i.e. , $h_p = H_P$ and $h_Q = H_Q$" ] ]
B
Both liquid levels rise up so that $h_P/H_P = h_Q/H_Q$
Science
Physics
Fluid Physics
hard
ea949e7345ea4f28bda095f1066c928f
1
supergpqa
The subsurface of a certain construction site is planned to be reinforced using Cement Fly-Ash Gravel (CFG) piles. It is known that the foundation depth is 2.0m, the length of the CFG piles is 14.0m, the pile diameter is 500mm, and the pile body strength is $f_{\mathrm{c u}}=20 \mathrm{MPa}$. The reduction coefficient for the bearing capacity of the soil between piles is set at 0.8. According to the "Technical Code for Ground Treatment of Buildings" (JGJ 79-2002), if the characteristic value of the composite foundation bearing capacity is required to reach 180kPa, which option should be selected for the replacement rate $m$ of the CFG pile area?
B) 11.7%
[ [ "A", "9.4%" ], [ "B", "11.7%" ], [ "C", "14.3%" ], [ "D", "10.8%" ], [ "E", "12.5%" ], [ "F", "16.0%" ], [ "G", "15.1%" ], [ "H", "8.7%" ], [ "I", "13.9%" ], [ "J", "7.5%" ] ]
B
11.7%
Engineering
Civil Engineering
Geotechnical Engineering
hard
fd582a9ff7c143dbbade22c8554a4ab4
0
supergpqa
Which model can be used to describe the vertical distribution of nutrients in seawater?
F) Broecker's two-box model
[ [ "A", "Jenkins' single-layer system" ], [ "B", "Hamilton's two-box model" ], [ "C", "Jenkins' two-box model" ], [ "D", "Gordon's segmented partition model" ], [ "E", "Hamilton's three-zone framework" ], [ "F", "Broecker's two-box model" ], [ "G", "Fisher's dual-sector theory" ], [ "H", "Bennett's twin-unit configuration" ], [ "I", "Taylor's two-box model" ], [ "J", "Taylor's multi-level approach" ] ]
F
Broecker's two-box model
Science
Oceanography
Marine Chemistry
hard
0529e135a4ea4db59069d0d081f2960a
0
supergpqa
Xiaohong knows that after eating 5 out of 9 peanuts, there are still 4 left, but she cannot calculate "9-5=?" This indicates that Xiaohong's thinking has ().
J) Concrete Imagery
[ [ "A", "Cognitive Insight" ], [ "B", "Spatial Awareness" ], [ "C", "Mathematical Skills" ], [ "D", "Logical Deductions" ], [ "E", "Active Memory" ], [ "F", "Essential Processing" ], [ "G", "Visual Representations" ], [ "H", "Numeric Understanding" ], [ "I", "Abstract Reasoning" ], [ "J", "Concrete Imagery" ] ]
J
Concrete Imagery
Education
Psychology
Psychology
hard
e18f4605fb7745479e781d8216774dd9
0
supergpqa
An originally uncharged conductor small sphere makes contact with a large conductor sphere that carries a charge amount of $Q$. After each separation, the small sphere gains a charge amount of $q$. Now, the small sphere is repeatedly brought into contact with the large sphere, and after each separation, the large sphere is replenished with charge to restore its original charge amount. What is the maximum amount of charge the small sphere can acquire?
G) $$ q_{n}=\frac{q Q} {Q-q} $$
[ [ "A", "$$\nq_{n}=\\frac{q^{2} Q} {Q+q}$$" ], [ "B", "$$\nq_{n}=\\frac{Q^{2} q} {Q-q}$$" ], [ "C", "$$\nq_{n}=\\frac{q Q} {Q^{2}-q}$$" ], [ "D", "$$\nq_{n}=\\frac{Q^{2} q} {Q-q^{2}}$$" ], [ "E", "$$\nq_{n}=\\frac{Q q^{2}} {Q+q^{2}}$$" ], [ "F", "$$\nq_{n}=\\frac{q^{2} Q} {Q^{2}-q}$$" ], [ "G", "$$\nq_{n}=\\frac{q Q} {Q-q}\n$$" ], [ "H", "$$\nq_{n}=\\frac{q Q} {Q^{2}+q}$$" ], [ "I", "$$\nq_{n}=\\frac{Q q} {Q-q^{2}}$$" ], [ "J", "$$\nq_{n}=\\frac{q Q^{2}} {Q+q}$$" ] ]
G
$$ q_{n}=\frac{q Q} {Q-q} $$
Science
Physics
Electrodynamics
hard
375f0530c09b4cde8f22a6f5f8c1da20
0
supergpqa
Known even hard bottom neritic acoustic field is the number of wave vertical component for Jane \ [k_ = {zinc} \ frac {(n - 0.5) \ PI} {H} \] deep sea \ (H = 90 \ \ text {m} \), Sound speed \(c = 1500 \, \text{m/s} \), find the cutoff frequency of normal wave generation.
H) 4.17Hz
[ [ "A", "4.16Hz" ], [ "B", "4.14Hz" ], [ "C", "4.13Hz" ], [ "D", "4.11Hz" ], [ "E", "4.15Hz" ], [ "F", "4.12Hz" ], [ "G", "4.20Hz" ], [ "H", "4.17Hz" ], [ "I", "4.18Hz" ], [ "J", "4.19Hz" ] ]
H
4.17Hz
Science
Oceanography
Underwater Acoustics
medium
92ab2a1f2ef94b3abeceb9214b783c45
5
supergpqa
After completing a project, renovation company A sold the remaining floorboards and other items to property management company B. However, the approved business scope on A's business license does not include the sale of floorboards. How is the legal nature of the transaction between A and B?
F) It is a valid civil legal act
[ [ "A", "It is a civil legal act subject to regulatory approval" ], [ "B", "It is a partially valid civil legal act" ], [ "C", "It is a civil legal act with limited validity" ], [ "D", "It is a civil legal act with conditional validity" ], [ "E", "It is a civil legal act subject to judicial review" ], [ "F", "It is a valid civil legal act" ], [ "G", "It is an invalid civil legal act" ], [ "H", "It is a revocable civil legal act" ], [ "I", "It is a civil legal act subject to administrative review" ], [ "J", "It is a civil legal act of uncertain validity" ] ]
F
It is a valid civil legal act
Law
Law
Civil and Commercial Law
hard
6180747e412648c9abb614133c62c267
0
supergpqa
What medicine has the effect of clearing the lungs and resolving phlegm, clearing the periorbital cavity and stopping vomiting?
A) Loquat leaves
[ [ "A", "Loquat leaves" ], [ "B", "Birch twigs" ], [ "C", "Fig roots" ], [ "D", "Apricot seeds" ], [ "E", "Mulberry bark" ], [ "F", "Olive leaves" ], [ "G", "Willow branches" ], [ "H", "Cherry stems" ], [ "I", "Peach kernels" ], [ "J", "Almond husks" ] ]
A
Loquat leaves
Medicine
Traditional Chinese Medicine
Traditional Chinese Pharmacy
easy
0cc1ae8af0394a3c88decd8a79e7304c
10
supergpqa
The correct statement about the super-resolved stimulated emission loss microscopy (STED) technique is ____.
B) STED requires two lighting sources
[ [ "A", "STED employs three laser beams" ], [ "B", "STED requires two lighting sources" ], [ "C", "STED employs two laser pulses" ], [ "D", "STED utilizes dual photon emissions" ], [ "E", "STED operates with ambient light only" ], [ "F", "STED involves two electron beams" ], [ "G", "STED utilizes single photon emission" ], [ "H", "STED needs three lighting elements" ], [ "I", "STED uses dual electron sources" ], [ "J", "STED needs four lighting elements" ] ]
B
STED requires two lighting sources
Science
Biology
Biophysics
easy
6b131188d1134b9b92171c4e03268fca
8
supergpqa
Which type of cell is most suitable for studying lysosomes?
F) Autophagic cells with phagocytic function
[ [ "A", "Cardiomyocytes" ], [ "B", "Muscle cells" ], [ "C", "Cells with no lysosomal activity" ], [ "D", "Epidermal cells" ], [ "E", "Bacterial Cell" ], [ "F", "Autophagic cells with phagocytic function" ], [ "G", "Neural cells" ], [ "H", "Red blood cells" ], [ "I", "Bone cells" ], [ "J", "Liver cells" ] ]
F
Autophagic cells with phagocytic function
Science
Biology
Cell Biology
easy
96492ee6287b4b898ae5bcd8122bcd7a
10
supergpqa
Calculate the tidal acceleration on a 2-m-tall human falling feet-first into a 1-solar-mass black hole.
F) $$ \mathrm{t w o ~ b i l l i o n ~ g^{\prime} s} $$
[ [ "A", "$$\n\\mathrm{t h r e e ~ b i l l i o n ~ g^{\\prime} s}\n$$" ], [ "B", "$$\n\\mathrm{f i v e ~ t h o u s a n d ~ g^{\\prime} s}\n$$" ], [ "C", "$$\n\\mathrm{t e n ~ b i l l i o n ~ g^{\\prime} s}\n$$" ], [ "D", "$$\n\\mathrm{s e v e n ~ h u n d r e d ~ g^{\\prime} s}\n$$" ], [ "E", "$$\n\\mathrm{f o u r ~ m i l l i o n ~ g^{\\prime} s}\n$$" ], [ "F", "$$\n\\mathrm{t w o ~ b i l l i o n ~ g^{\\prime} s}\n$$" ], [ "G", "$$\n\\mathrm{o n e ~ m i l l i o n ~ n / kg^{\\prime} s}\n$$" ], [ "H", "$$\n\\mathrm{o n e ~ t r i l l i o n ~ g^{\\prime} s}\n$$" ], [ "I", "$$\n\\mathrm{s i x ~ m i l l i o n ~ g^{\\prime} s}\n$$" ], [ "J", "$$\n\\mathrm{f i v e ~ b i l l i o n ~ m / s^{\\prime} s}\n$$" ] ]
F
$$ \mathrm{t w o ~ b i l l i o n ~ g^{\prime} s} $$
Science
Astronomy
Cosmology
hard
fc9a01ab2a2344cabfe9c2bd94be487f
0
supergpqa
A certain meal when irradiated by light $(v=3.2\times 10^{16}Hz)$ emits photoelectrons with twice K.E. as did photoelectrons when the same metal is irradiated by light $(v= 2.1\times10^{16}Hz)$. The $v_0$ of the metal is:
A) $$8 \times 10^{15}Hz$$
[ [ "A", "$$8 \\times 10^{15}Hz$$" ], [ "B", "$$4\\times 10^{12}Hz$$" ], [ "C", "$$1.2 \\times 10^{14}Hz$$" ], [ "D", "1.0 \\times 10^{16}Hz" ], [ "E", "6 \\times 10^{15}Hz" ], [ "F", "7.2 \\times 10^{15}Hz" ], [ "G", "$$1.2 \\times 10^{16}Hz$$" ], [ "H", "1.2 \\times 10^{15}Hz" ], [ "I", "1.8 \\times 10^{15}Hz" ], [ "J", "1.6 \\times 10^{15}Hz" ] ]
A
$$8 \times 10^{15}Hz$$
Science
Physics
Quantum Mechanics
hard
13255ed129d04873b6ae5fcc9e3f55ff
0
supergpqa
What is the term for analyzing human remains to detect signs of foul play?
F) Forensic Pathology
[ [ "A", "Forensic Toxicology" ], [ "B", "None of the other choices" ], [ "C", "Forensic Chemistry" ], [ "D", "Forensic Entomology" ], [ "E", "Forensic Botany" ], [ "F", "Forensic Pathology" ], [ "G", "Forensic Serology" ], [ "H", "Forensic Pathobiology" ], [ "I", "Forensic Anthropology" ], [ "J", "Forensic Odontology" ] ]
F
Forensic Pathology
Medicine
Basic Medicine
Forensic Medicine
easy
fd220ece5b1e4aaeae66c092fb845e59
10
supergpqa
At 298 K, the standard enthalpies of combustion for cyclopropane (g), graphite, and hydrogen gas are -2092, -393.7, and -285.8 kJ·mol$^{-1}$, respectively. The standard molar enthalpy of formation for propene (g) is $20.50 kJ\cdot\mathrm{mol}^{-1}$. What is the $\Delta H_{m}^{\Theta}$ for the isomerization of cyclopropane (g) into propene (g) at 298 K?
H) $$ - 3 3. 1 \mathrm{k J} \cdot\mathrm{m o l}^{-1} $$
[ [ "A", "$$\n- 3 4. 0 \\mathrm{k J} \\cdot\\mathrm{m o l}^{-1}\n$$" ], [ "B", "$$\n- 3 3. 5 \\mathrm{k J} \\cdot\\mathrm{m o l}^{-1}\n$$" ], [ "C", "$$\n- 3 2. 7 \\mathrm{k J} \\cdot\\mathrm{m o l}^{-1}\n$$" ], [ "D", "$$\n- 3 4. 2 \\mathrm{k J} \\cdot\\mathrm{m o l}^{-1}\n$$" ], [ "E", "$$\n- 3 2. 0 \\mathrm{k J} \\cdot\\mathrm{m o l}^{-1}\n$$" ], [ "F", "$$\n- 3 2. 9 \\mathrm{k J} \\cdot\\mathrm{m o l}^{-1}\n$$" ], [ "G", "$$\n- 3 5. 1 \\mathrm{k J} \\cdot\\mathrm{m o l}^{-1}\n$$" ], [ "H", "$$\n- 3 3. 1 \\mathrm{k J} \\cdot\\mathrm{m o l}^{-1}\n$$" ], [ "I", "$$\n- 3 1. 6 \\mathrm{k J} \\cdot\\mathrm{m o l}^{-1}\n$$" ], [ "J", "$$\n- 3 3. 8 \\mathrm{k J} \\cdot\\mathrm{m o l}^{-1}\n$$" ] ]
H
$$ - 3 3. 1 \mathrm{k J} \cdot\mathrm{m o l}^{-1} $$
Science
Chemistry
Physical Chemistry
hard
897d848810d34da7ba4b98321b11e4c3
0
supergpqa
Which of the following statements about the open-loop frequency response curve of a Type Zero system on the complex plane is correct?
C) It starts at a point on the real axis and ends at another point on the real axis.
[ [ "A", "It starts at a point on the imaginary axis and ends at another point on the real axis." ], [ "B", "It emerges from a point in the upper half-plane and ends in the lower half-plane." ], [ "C", "It starts at a point on the real axis and ends at another point on the real axis." ], [ "D", "It originates from a point on the negative imaginary axis and finishes on the positive imaginary axis." ], [ "E", "It initiates from a location in the right half-plane and finishes in the left half-plane." ], [ "F", "It commences at a point on the imaginary axis and concludes on the imaginary axis." ], [ "G", "It begins at a point on the imaginary axis and terminates on the real axis." ], [ "H", "It begins at a point in the lower half-plane and terminates on the upper half-plane." ], [ "I", "It departs from a point on the negative real axis and completes on the positive real axis." ], [ "J", "It originates from a point in the left half-plane and concludes in the right half-plane." ] ]
C
It starts at a point on the real axis and ends at another point on the real axis.
Engineering
Control Science and Engineering
Control Theory and Control Engineering
hard
ba9329cfa1334288974ba37a945f6b71
0
supergpqa
In the four minor keys with flats as key signatures, which accidental should be used for the leading tone?
A) ♮
[ [ "A", "♮" ], [ "B", "♭" ], [ "C", "♭♭" ], [ "D", "♯" ] ]
A
Literature and Arts
Musicology
Pitch and Scales
hard
dcdf26f6b18249eb84a8721ddd82abea
0
supergpqa
During which year of the International São Paulo Biennial in Brazil was Kara Walker the United States representative?
E) 2002
[ [ "A", "2000" ], [ "B", "2004" ], [ "C", "2009" ], [ "D", "2003" ], [ "E", "2002" ], [ "F", "2006" ], [ "G", "2001" ], [ "H", "2008" ], [ "I", "2007" ], [ "J", "2005" ] ]
E
2002
Literature and Arts
Art Studies
Fine Arts
hard
7c21ad26402b4aed806978e6e8777576
0
supergpqa
In which year was Dina Nath Walli (an Indian watercolor artist and poet from Srinagar city) born?
E) 1908
[ [ "A", "1903" ], [ "B", "1910" ], [ "C", "1902" ], [ "D", "1917" ], [ "E", "1908" ], [ "F", "1906" ], [ "G", "1912" ], [ "H", "1907" ], [ "I", "1909" ], [ "J", "1918" ] ]
E
1908
Literature and Arts
Art Studies
Fine Arts
hard
6e78bbda55a747b3ab69a946ee38d2a5
0
supergpqa
Move the charged metal plate A closer to a neutral metal plate B, which has the same length and width as A, aligning the two plates to face each other. Assume the charge on plate A is $q_{A}$, the area of each plate is $S$, and the distance between them is $d \, (\ll \sqrt{S})$. Neglecting edge effects, what is the potential difference between the two plates? What would the result be if plate B is grounded?
A) $$ \frac{q_{A} d} {2 \varepsilon_{0} S};\ \frac{q_{A} d} {\epsilon_{\circ} S} $$
[ [ "A", "$$\n\\frac{q_{A} d} {2 \\varepsilon_{0} S};\\ \\frac{q_{A} d} {\\epsilon_{\\circ} S}\n$$" ], [ "B", "$$\n\\frac{d S} {q_{A} \\varepsilon_{0}};\\ \\frac{d S} {q_{A} \\epsilon_{\\circ}}\n$$" ], [ "C", "$$\n\\frac{q_{A} S} {2 \\varepsilon_{0} d};\\ \\frac{q_{A} S} {\\epsilon_{\\circ} d}\n$$" ], [ "D", "$$\n\\frac{q_{A} \\varepsilon_{0}} {2 S d};\\ \\frac{q_{A} \\varepsilon_{0}} {S d}\n$$" ], [ "E", "$$\n\\frac{\\varepsilon_{0} q_{A}} {2 d S};\\ \\frac{\\varepsilon_{0} q_{A}} {d S}\n$$" ], [ "F", "$$\n\\frac{S d} {2 q_{A} \\varepsilon_{0}};\\ \\frac{S d} {q_{A} \\epsilon_{\\circ}}\n$$" ], [ "G", "$$\n\\frac{d q_{A}} {2 \\epsilon_{\\circ} S};\\ \\frac{d q_{A}} {\\epsilon_{\\circ} S}\n$$" ], [ "H", "$$\n\\frac{\\epsilon_{\\circ} d} {2 q_{A} S};\\ \\frac{\\epsilon_{\\circ} d} {q_{A} S}\n$$" ], [ "I", "$$\n\\frac{2 q_{A} d} {\\varepsilon_{0} S};\\ \\frac{2 q_{A} d} {\\epsilon_{\\circ} S}\n$$" ] ]
A
$$ \frac{q_{A} d} {2 \varepsilon_{0} S};\ \frac{q_{A} d} {\epsilon_{\circ} S} $$
Science
Physics
Electrodynamics
hard
a3a178bddbcd43ba9ea33e9d8edffd43
0
supergpqa
The common sets of functional, metabolic, and morphological abnormal changes found in different diseases are referred to as ( ).
E) Pathological Process
[ [ "A", "Pathological Indication" ], [ "B", "Pathological Phenomena" ], [ "C", "Pathological State" ], [ "D", "Pathological Changes" ], [ "E", "Pathological Process" ], [ "F", "Pathological Condition" ], [ "G", "Pathological Syndrome" ], [ "H", "Pathological Manifestation" ], [ "I", "Pathological Symptom" ], [ "J", "Pathological Reaction" ] ]
E
Pathological Process
Medicine
Basic Medicine
Pathology and Pathophysiology
hard
9ef45cad030247c6be4befcbbbafe5f6
0
supergpqa
Givenf(t) = ^+\infty\int_-\infty h(\sigma)\textphi(t - \sigma)d\sigma determine the power spectral density of f(t) in terms of the power spectral density of \textphi(t) and the Fourier transform of h(t).
H) G_f(\omega) = ertH(\omega) ert^2 G_\textphi(\omega)
[ [ "A", "G_f(\\omega) = \u000bertH(\\omega)\u000bert G_\\textphi(t)" ], [ "B", "\\( G_f(\\omega) = |H(\\omega)|^2 / G_{\\textphi}(\\omega) \\)" ], [ "C", "G_f(\\omega) = \u000bertH(\\omega)\u000bert^2 / G_\\textphi(\\omega)" ], [ "D", "\\( G_f(\\omega) = \\frac{1}{|H(\\omega)|^2} G_{\\textphi}(\\omega) \\)" ], [ "E", "\\( G_f(\\omega) = \\frac{G_{\\textphi}(\\omega)}{|H(\\omega)|^2} \\)" ], [ "F", "\\( G_f(\\omega) = |H(\\omega)| G_{\\textphi}(\\omega)^2 \\)" ], [ "G", "\\( G_f(\\omega) = \\frac{G_{\\textphi}(\\omega)}{H(\\omega)} \\)" ], [ "H", "G_f(\\omega) = \u000bertH(\\omega)\u000bert^2 G_\\textphi(\\omega)" ], [ "I", "\\( G_f(\\omega) = H(\\omega) G_{\\textphi}(\\omega)^2 \\)" ], [ "J", "G_f(\\omega) = H(\\omega)^2 G_\\textphi(\\omega)" ] ]
H
G_f(\omega) = ertH(\omega) ert^2 G_\textphi(\omega)
Science
Systems Science
Systems Science
hard
bdf50bb98f9043728be86b6e9f0d57e7
0
supergpqa
A 26-year-old medical student comes to the physician for a chest x-ray to rule out active pulmonary tuberculosis. He needs a medical and radiological report before starting a medical internship in South Africa. He has no history of serious illness and does not complain of any symptoms. He has smoked 1 pack of cigarettes daily for the past 6 years. He does not drink alcohol. He is 190 cm (6 ft 3 in) tall and weighs 75 kg (165 lbs); BMI is 20.8 kg/m2. His temperature is 37°C (98.6°F), pulse is 80/min, respirations are 18/min, and blood pressure is 128/89 mm Hg. The lungs are clear to auscultation. Cardiac examination shows no abnormalities. The x-ray of the chest shows a small pneumothorax (rim of < 2 cm) between the upper left lung margin and the chest wall. Which of the following is the most appropriate next step in management of this patient?
J) Observation and follow-up x-ray
[ [ "A", "Urgent chest tube placement" ], [ "B", "Video-assisted thoracoscopic surgery" ], [ "C", "CT of the chest with follow-up x-ray in 24 hours" ], [ "D", "Emergent needle thoracostomy" ], [ "E", "Observation and follow-up x-ray in 24 hours" ], [ "F", "CT of the chest" ], [ "G", "Immediate intubation and assisted ventilation" ], [ "H", "Observation and follow-up x-ray in 48 hours" ], [ "I", "CT of the chest with contrast" ], [ "J", "Observation and follow-up x-ray" ] ]
J
Observation and follow-up x-ray
Medicine
Clinical Medicine
Imaging and Nuclear Medicine
hard
c545213237424ba8802dcdbba8bc94cf
0
supergpqa
The target of empirical ethical thinking is____.
A) Moral hypocrisy and spiritual slavery
[ [ "A", "Moral hypocrisy and spiritual slavery" ], [ "B", "Ethical egoism" ], [ "C", "Divine command theory" ], [ "D", "Deontological ethics" ], [ "E", "Individualism" ], [ "F", "utilitarianism" ], [ "G", "Ethical relativism" ], [ "H", "Virtue ethics" ], [ "I", "Consequentialism" ], [ "J", "Non-empiricism" ] ]
A
Moral hypocrisy and spiritual slavery
Philosophy
Philosophy
Ethics
easy
bd5719727ce7446fb639ed8ac390c5fe
10
supergpqa
In a four-stroke cycle engine, how many strokes does it take to complete a cycle?
C) two revolutions of the crankshaft
[ [ "A", "one and a quarter revolutions of the crankshaft" ], [ "B", "one revolution of the crankshaft" ], [ "C", "two revolutions of the crankshaft" ], [ "D", "three revolutions of the crankshaft" ], [ "E", "three strokes of the piston" ], [ "F", "four strokes of the crankshaft" ], [ "G", "four revolutions of the crankshaft" ], [ "H", "one stroke of the piston" ], [ "I", "one and a half revolutions of the crankshaft" ], [ "J", "two strokes of the piston" ] ]
C
two revolutions of the crankshaft
Engineering
Power Engineering and Engineering Thermophysics
Internal Combustion Engineering
hard
757c0a5a944b4f88a566e4394cf486ce
0
supergpqa
What type of connection exists between the pectoral girdle and the neurocranium in mammals?
J) Cranio-connective type
[ [ "A", "Cervico-anchored type" ], [ "B", "Vertebro-connective type" ], [ "C", "Skeletally-fixed type" ], [ "D", "Neuro-bound type" ], [ "E", "Scapulo-bound type" ], [ "F", "Tongue-and-groove type" ], [ "G", "Self-conjugated type" ], [ "H", "Bipolar Type" ], [ "I", "Thoraco-binding type" ], [ "J", "Cranio-connective type" ] ]
J
Cranio-connective type
Medicine
Basic Medicine
Human Anatomy and Histology-Embryology
hard
adbf447b76bc4d8db0b8787a7ef8b0a9
0
supergpqa
The earliest historical period in which human society developed laws is ()?
B) Slave Society
[ [ "A", "Primitive Society" ], [ "B", "Slave Society" ], [ "C", "Post-Industrial Society" ], [ "D", "Agricultural Society" ], [ "E", "Hunter-Gatherer Society" ], [ "F", "Feudal Society" ], [ "G", "Capitalist Society" ], [ "H", "Industrial Society" ], [ "I", "Tribal Society" ], [ "J", "Socialist society" ] ]
B
Slave Society
Law
Law
Legal Theory and Legal History
easy
7e89ea6391d84e1abeda0661dae7f9c6
10
supergpqa
Which of the following descriptions about the abundance characteristics of elements in the Earth's crust is the most accurate? Consider the following statements: I. The sum of the three most abundant elements in the Earth's crust accounts for 82.58%, and the sum of the nine most abundant elements accounts for 98.13%; compared to the solar system, the Earth's crust is significantly depleted in gas elements such as H, He, Ne, and N, and enriched in Al, K, and Na; the abundance of elements in the Earth's crust is a fixed and unchanging system. II. The abundance of elements in the Earth's crust varies significantly, with the most abundant element (O) being $10^{17}$ times more abundant than the least abundant element (Rn); the distribution pattern of element abundance in the Earth's crust is similar to that of the solar system and Earth, but there are significant differences in the composition and order of the top 10 elements; the content of Fe and Mg in the Earth's crust is significantly lower than in the entire Earth, while Al, K, and Na are relatively enriched. III. The sum of the three most abundant elements in the Earth's crust accounts for 82.58%, and the sum of the nine most abundant elements accounts for 98.13%; the distribution pattern of element abundance in the Earth's crust is the same as that of the solar system and Earth, with the composition and order of the top 10 elements being consistent; the Earth's crust is significantly depleted in gas elements such as H, He, Ne, and N, and enriched in Fe and Mg. IV. The abundance of elements in the Earth's crust does not vary much, with the most abundant element (O) being $10^{10}$ times more abundant than the least abundant element (Rn); compared to the solar system or the universe, the Earth's crust and Earth are significantly depleted in gas elements such as H, He, Ne, and N; compared to the entire Earth, the Earth's crust is significantly depleted in Fe and Mg, and enriched in Al, K, and Na; the abundance of elements in the Earth's crust is a constantly changing open system. Select the combination that most accurately reflects the abundance characteristics of elements in the Earth's crust.
D) II
[ [ "A", "I and IV" ], [ "B", "III and IV" ], [ "C", "IV" ], [ "D", "II" ], [ "E", "II and IV" ], [ "F", "I and III" ], [ "G", "III" ], [ "H", "I and II" ], [ "I", "I" ], [ "J", "II and III" ] ]
D
II
Science
Geology
Geochemistry
hard
ad9eafd361cb4590a88675fb58be88f2
0
supergpqa
There are two types of soil, A and B, with different moisture contents. When they come into contact, water in the soil will flow from A to B. Their water potential (Pa) is _____.
C) A=-1;B--5
[ [ "A", "A=-3;B--5" ], [ "B", "A=-2;B--6" ], [ "C", "A=-1;B--5" ], [ "D", "A=-2;B--3" ], [ "E", "A=0;B--4" ], [ "F", "A=-4;B--6" ], [ "G", "A=0;B--3" ], [ "H", "A=-3;B--1" ], [ "I", "A=-1;B--2" ], [ "J", "A=-4;B--2" ] ]
C
A=-1;B--5
Agronomy
Forestry
Forest Cultivation and Genetic Breeding
hard
2e9dbcea334e449bb43a7384fc381078
0
supergpqa
A functional protein localized to the rough endoplasmic reticulum (rER) needs to be processed in the Golgi apparatus. Which of the following correctly describes the pathway of this protein from translation and synthesis to localization?
B) Attached ribosomes - rough endoplasmic reticulum - Golgi apparatus - smooth endoplasmic reticulum
[ [ "A", "Attached ribosomes - smooth endoplasmic reticulum - rough endoplasmic reticulum - Golgi apparatus" ], [ "B", "Attached ribosomes - rough endoplasmic reticulum - Golgi apparatus - smooth endoplasmic reticulum" ], [ "C", "Free ribosome - rough endoplasmic reticulum - Golgi apparatus - smooth endoplasmic reticulum" ], [ "D", "Ribosome-attached Golgi apparatus - smooth endoplasmic reticulum - rough endoplasmic reticulum - ribosomes" ], [ "E", "Free ribosomes - rough endoplasmic reticulum - Golgi apparatus - smooth endoplasmic reticulum" ], [ "F", "Attached ribosomes - smooth endoplasmic reticulum - Golgi apparatus - rough endoplasmic reticulum" ], [ "G", "Free ribosomes - smooth endoplasmic reticulum - Golgi apparatus - rough endoplasmic reticulum" ], [ "H", "Free ribosome - Golgi apparatus - rough endoplasmic reticulum - smooth endoplasmic reticulum" ], [ "I", "Ribosome-attached Golgi apparatus-rough endoplasmic reticulum-smooth endoplasmic reticulum" ], [ "J", "Free ribosomes - Golgi apparatus - smooth endoplasmic reticulum - rough endoplasmic reticulum" ] ]
B
Attached ribosomes - rough endoplasmic reticulum - Golgi apparatus - smooth endoplasmic reticulum
Science
Biology
Cell Biology
easy
5ba02c752b2f4a00bada9639fb444a3d
10
supergpqa
Which article of the International Covenant on Civil and Political Rights stipulates that everyone shall have the right to hold opinions without interference?
G) Article 19
[ [ "A", "Article 19.1" ], [ "B", "Article 19.3" ], [ "C", "Article 19.2" ], [ "D", "Article 17" ], [ "E", "Article 15" ], [ "F", "Article 16" ], [ "G", "Article 19" ], [ "H", "Article 21" ], [ "I", "Article 20" ], [ "J", "Article 18" ] ]
G
Article 19
Law
Law
International Law
hard
2fdb0c673fe54a429bab9260ce054e6a
0
supergpqa
Which writer was concerned with the reaction of workers to key characteristics of bureaucracies?
E) Gouldner
[ [ "A", "Marx" ], [ "B", "Taylor" ], [ "C", "Freud" ], [ "D", "Maslow" ], [ "E", "Gouldner" ], [ "F", "Lewin" ], [ "G", "Weber" ], [ "H", "Mayo" ], [ "I", "Merton" ], [ "J", "Durkheim" ] ]
E
Gouldner
Sociology
Sociology
Social and Folklore Studies
hard
4f76fc0fb3df422c999cc4f3979b5239
0
supergpqa
The mean arterial pressure refers to the average value of arterial blood pressure at every moment during one cardiac cycle. So, what should its value be closer to?
E) Diastolic pressure
[ [ "A", "The overall blood pressure peak" ], [ "B", "Arterial pressure at ventricular systole" ], [ "C", "The systolic and diastolic pressure product" ], [ "D", "Pulse pressure average" ], [ "E", "Diastolic pressure" ], [ "F", "A midpoint of blood pressure fluctuations" ], [ "G", "Systolic Blood Pressure" ], [ "H", "Systolic pressure and diastolic pressure sum" ], [ "I", "The difference between systolic pressure and diastolic pressure" ], [ "J", "Maximum systolic pressure" ] ]
E
Diastolic pressure
Science
Biology
Physiology
easy
70677fc62868437eb6f517bd1778d781
10
supergpqa
What is the premiere date of the Korean drama 'Come! Jang Bo-ri'?
J) April 5, 2014
[ [ "A", "April 6, 2014" ], [ "B", "April 3, 2014" ], [ "C", "April 12, 2014" ], [ "D", "April 20, 2014" ], [ "E", "April 4, 2014" ], [ "F", "April 15, 2014" ], [ "G", "April 10, 2014" ], [ "H", "April 1, 2014" ], [ "I", "April 7, 2014" ], [ "J", "April 5, 2014" ] ]
J
April 5, 2014
Literature and Arts
Journalism and Communication
Journalism and News Practice
hard
5ed5750f5bdd4a61a7760b0b55b6494e
0
supergpqa
Magnetic moment (spin only) of an octahedron complex having CFSE $= - 0.8 \Delta _ { 0 }$ and surrounded by weak field ligands can be:
H) $$(c),(e),(f),(i)$$
[ [ "A", "$$\\sqrt { 15 }\\ \\mathrm { BM }$$" ], [ "B", "$$\\sqrt { 24 } \\ \\mathrm { BM }$$" ], [ "C", "$$\\sqrt { 21 } \\ \\mathrm { BM }$$" ], [ "D", "$$\\sqrt { 8 }\\ \\mathrm { BM }$$" ], [ "E", "$$\\sqrt { 20 } \\ \\mathrm { BM }$$" ], [ "F", "None of these" ], [ "G", "$$\\sqrt { 22 } \\ \\mathrm { BM }$$" ], [ "H", "$$(c),(e),(f),(i)$$" ], [ "I", "$$\\sqrt { 35 } \\ \\mathrm { BM }$$" ], [ "J", "$$\\sqrt { 18 } \\ \\mathrm { BM }$$" ] ]
H
$$(c),(e),(f),(i)$$
Science
Chemistry
Inorganic Chemistry
hard
3bda4d889c974c15b41c702c0b334201
0
supergpqa
Reinforcing bars set at the transverse joints of cement concrete pavements serve as what?
A) Force-transferring bars
[ [ "A", "Force-transferring bars" ], [ "B", "Tension bars" ], [ "C", "Weight-balancing bars" ], [ "D", "Compression support bars" ], [ "E", "Load-distributing bars" ], [ "F", "Reinforcement bars" ], [ "G", "Stress-relieving bars" ], [ "H", "Expansion control bars" ], [ "I", "Structural support bars" ], [ "J", "Tension bar" ] ]
A
Force-transferring bars
Engineering
Civil Engineering
Urban Infrastructure Engineering
medium
d61d5e5ba9ca4650b72b3d17c16fdbeb
3
supergpqa
What is the conversion factor for the strength of a standard concrete cube tested using a specimen of 100㎜×100㎜×100㎜?
E) 0.95
[ [ "A", "1.00" ], [ "B", "0.75" ], [ "C", "1.10" ], [ "D", "1.20" ], [ "E", "0.95" ], [ "F", "1.15" ], [ "G", "1.05" ], [ "H", "0.85" ], [ "I", "0.80" ], [ "J", "0.90" ] ]
E
0.95
Engineering
Transportation Engineering
Road and Railway Engineering
hard
06b7937d23de48a5bb1db45d2a83d990
0
supergpqa
A piece of wire is bent in the shape of a parabola $y = kx^2$ (y-axis vertical) with a bead of mass m on it. The bead can slide on the wire without friction. It stays at the lowest point of the parabola when the wire is at rest. The wire is now accelerated parallel to the x-axis with a constant acceleration a. The distance of the equilibrium position of the bead, where the bead can stay at rest with respect to the wire, from the y-axis is
H) $$\frac{a}{2gk}$$
[ [ "A", "$$(\\frac{a}{8gk})$$" ], [ "B", "$$(\\frac{a}{6gk} )$$" ], [ "C", "$$(\\frac{a}{5gk} )$$" ], [ "D", "$$\\frac{a}{gk}$$" ], [ "E", "$$\\frac{a}{4gk}$$" ], [ "F", "$$(\\frac{a}{7gk} )$$" ], [ "G", "$$\\frac{a}{3gk}$$" ], [ "H", "$$\\frac{a}{2gk}$$" ], [ "I", "$$(\\frac{3a}{4gk} )$$" ], [ "J", "$$\\frac{2a}{gk}$$" ] ]
H
$$\frac{a}{2gk}$$
Engineering
Mechanics
Fundamentals of Dynamics and Control
hard
2ee5ac22bcfb43b99b99b6f95fdadfcb
0
supergpqa
According to the two notes, it can be determined that they belong to: L:1/4 M:4/4 K:C [^Ag]4 |] %1
A) C melodic minor
[ [ "A", "C melodic minor" ], [ "B", "E melodic major" ], [ "C", "B harmonic minor" ], [ "D", "F-sharp major" ] ]
A
C melodic minor
Literature and Arts
Musicology
Harmony
medium
dd8f04b8da8b4937b6791afbf0fce423
5
supergpqa
Which geological structure is the longest mountain range in the world?
B) Mid-ocean ridge
[ [ "A", "Rocky Mountains" ], [ "B", "Mid-ocean ridge" ], [ "C", "Alpine-Himalayan mountain system" ], [ "D", "Pacific Ring of Fire" ], [ "E", "Transantarctic Mountains" ], [ "F", "Alpine-Himalayan mountain chain" ], [ "G", "Andes" ], [ "H", "Great Dividing Range" ], [ "I", "Himalayas" ], [ "J", "Alpine-Himalayan mountain range" ] ]
B
Mid-ocean ridge
Science
Geology
Structural Geology
hard
ad4912f679864cf090f8c86c4751012f
0
supergpqa
The maximum tensile stress that aluminum can withstand is $2.0 \times 10^{8} \, \mathrm{N / m}^{2}$, and for steel, it is $1.0 \times 10^{9} \, \mathrm{N / m^{2}}$. Assuming the radius of the aluminum membrane is $0.01 \, \mathrm{m}$, what is the maximum fundamental frequency it can achieve? For a steel membrane with the same radius, what is the highest fundamental frequency it can reach? (Note that for membranes, the maximum frequency is independent of thickness.) (Assume the perimeter is fixed.)
B) $$ f=1 0. 4 \mathrm{~ k H z} ; 1 3. 8 \mathrm{~ k H z} $$
[ [ "A", "$$ f=7. 7 \\mathrm{~ k H z} ; 11. 2 \\mathrm{~ k H z} $$" ], [ "B", "$$\nf=1 0. 4 \\mathrm{~ k H z} ; 1 3. 8 \\mathrm{~ k H z}\n$$" ], [ "C", "$$ f=2. 1 \\mathrm{~ k H z} ; 2. 3 \\mathrm{~ k H z} $$" ], [ "D", "$$ f=8. 2 \\mathrm{~ k H z} ; 9. 5 \\mathrm{~ k H z} $$" ], [ "E", "$$ f=5. 6 \\mathrm{~ k H z} ; 6. 7 \\mathrm{~ k H z} $$" ], [ "F", "$$ f=3. 5 \\mathrm{~ k H z} ; 7. 2 \\mathrm{~ k H z} $$" ], [ "G", "$$ f=6. 3 \\mathrm{~ k H z} ; 8. 0 \\mathrm{~ k H z} $$" ], [ "H", "$$ f=4. 4 \\mathrm{~ k H z} ; 5. 8 \\mathrm{~ k H z} $$" ], [ "I", "$$ f=12. 1 \\mathrm{~ k H z} ; 14. 6 \\mathrm{~ k H z} $$" ], [ "J", "$$ f=15. 0 \\mathrm{~ k H z} ; 20. 0 \\mathrm{~ k H z} $$" ] ]
B
$$ f=1 0. 4 \mathrm{~ k H z} ; 1 3. 8 \mathrm{~ k H z} $$
Engineering
Materials Science and Engineering
Materials Physics and Chemistry
hard
dfe559aa1d2943b68e10f37b38224aa8
0
supergpqa
Which of the following rivers lies in a rift valley?
I) Tapti
[ [ "A", "Kaveri" ], [ "B", "Indus" ], [ "C", "Narmada" ], [ "D", "Brahmaputra" ], [ "E", "Godavari" ], [ "F", "Krishna" ], [ "G", "Ganges" ], [ "H", "Mahanadi" ], [ "I", "Tapti" ], [ "J", "Yamuna" ] ]
I
Tapti
Science
Geography
Physical Geography
hard
da10fdd304f644feba84c3a67452222d
0
supergpqa
Which of the following is the main staff used for the bassoon?
B) Staff with Bass clef and Tenor clef
[ [ "A", "Staff with Treble clef" ], [ "B", "Staff with Bass clef and Tenor clef" ], [ "C", "Staff with Alto clef" ], [ "D", "Staff with Bass clef" ] ]
B
Staff with Bass clef and Tenor clef
Literature and Arts
Musicology
Instrumentation and Performance
hard
4ac6a101f8d14920a2b2ffe7f5c60d0c
0
supergpqa
Two parallel plate air capacitors each of capacitance $C$ were connected in series to a battery with e.m.f. $E$. Then one of the capacitors was filled up with a uniform dielectric with relative permittivity $k$. What amount of charge flows through the battery?
F) $$\Delta q=\dfrac{1}{2}CE\dfrac{1-k}{1+k}$$
[ [ "A", "\\(\\Delta q=\\dfrac{1}{2}CE\\dfrac{k-1}{k+2}\\)" ], [ "B", "\\(\\Delta q=\\dfrac{1}{2}CE\\dfrac{2k+1}{k-1} \\)" ], [ "C", "$$None of these$$" ], [ "D", "\\(\\Delta q=\\dfrac{1}{2}CE\\dfrac{k+1}{k+2} \\)" ], [ "E", "$$\\Delta q=\\dfrac{1}{2}CE\\dfrac{2k-1}{k+1}$$" ], [ "F", "$$\\Delta q=\\dfrac{1}{2}CE\\dfrac{1-k}{1+k}$$" ], [ "G", "\\(\\Delta q=\\dfrac{1}{2}CE\\dfrac{k-1}{2k+1}\\)" ], [ "H", "$$\\Delta q=\\dfrac{1}{2}CE\\dfrac{k+1}{k-1}$$" ], [ "I", "$$\\Delta q=\\dfrac{1}{2}CE\\dfrac{k+1}{k+3}$$" ], [ "J", "\\(\\Delta q=\\dfrac{1}{2}CE\\dfrac{k+1}{2k-1}\\)" ] ]
F
$$\Delta q=\dfrac{1}{2}CE\dfrac{1-k}{1+k}$$
Science
Physics
Electrodynamics
hard
0c6b1a435a2047d1ae22b65d6b86c87d
0
supergpqa
In which month and year was the 64-bit version of Raspberry Pi OS released?
G) February 2022
[ [ "A", "February 2021" ], [ "B", "July 2022" ], [ "C", "June 2022" ], [ "D", "February 2023" ], [ "E", "April 2022" ], [ "F", "March 2021" ], [ "G", "February 2022" ], [ "H", "January 2022" ], [ "I", "March 2022" ], [ "J", "May 2022" ] ]
G
February 2022
Engineering
Computer Science and Technology
Operating Systems
easy
0ceaa9e0018241aba54e64ed9549f955
10
supergpqa
A 38-year-old female patient developed symptoms of food poisoning after drinking milk. The remaining milk was cultured and a Gram-positive small bacillus was isolated. The bacterium is non-motile at 37°C, CAMP test positive, catalase positive, and salt and alkali resistant. Based on this, which bacterium is most likely?
D) Listeria monocytogenes
[ [ "A", "Bacillus cereus" ], [ "B", "Bacillus pumilus" ], [ "C", "Bacillus licheniformis" ], [ "D", "Listeria monocytogenes" ], [ "E", "Bacillus coagulans" ], [ "F", "Bacillus anthracis" ], [ "G", "Salmonella typhimurium" ], [ "H", "Bacillus subtilis" ], [ "I", "Group B Streptococcus" ], [ "J", "Bacillus thuringiensis" ] ]
D
Listeria monocytogenes
Medicine
Clinical Medicine
Clinical Laboratory Diagnostics
medium
d95a8c7b19114f488d161ab4a2ae9162
4
supergpqa
Given a two-stage amplifier circuit with the voltage gain for each stage respectively as: $$ \dot{A}_{\mathrm{u1}}=\frac{\dot{U}_{\mathrm{o1}}}{U_{\mathrm{i}}}=\frac{-25 \mathrm{j} f}{\left( 1+\mathrm{j} \ \frac{f}{4} \right) \left( 1+\mathrm{j} \frac{f}{10^{5}} \right)}, \ \dot{A}_{\mathrm{u 2}}=\frac{\dot{U}_{\mathrm{o}}}{U_{\mathrm{i 2}}}=\frac{-2 \mathrm{j} f}{\left( 1+\mathrm{j} \ \frac{f}{50} \right) \left( 1+\mathrm{j} \frac{f}{10^{5}} \right)} $$ Determine the approximate lower cutoff frequency $f_{\mathrm{L}}$ and upper cutoff frequency $f_{\mathrm{H}}$ for the circuit. ( )
D) 50 Hz; 64.3 kHz
[ [ "A", "55 Hz; 70.8 kHz" ], [ "B", "65 Hz; 63.0 kHz" ], [ "C", "30 Hz; 55.1 kHz" ], [ "D", "50 Hz; 64.3 kHz" ], [ "E", "45 Hz; 52.7 kHz" ], [ "F", "40 Hz; 60.5 kHz" ], [ "G", "35 Hz; 47.5 kHz" ], [ "H", "25 Hz; 58.6 kHz" ], [ "I", "60 Hz; 45.2 kHz" ], [ "J", "75 Hz; 49.2 kHz" ] ]
D
50 Hz; 64.3 kHz
Engineering
Electronic Science and Technology
Circuits and Systems
hard
d39d804fa11e49b7b2872aaf199048c6
1
supergpqa
Given the following 5 statements, which of them are correct: 1. Nylon 6 has better moisture absorption than Nylon 66. 2. Nylon 6 has better thermal stability than Nylon 66. 3. Nylon 66 has a higher melting point than Nylon 6. 4. Aromatic polyamides have higher modulus than aliphatic polyamides. 5. The production of pulp and paper easily causes environmental pollution.
C) 2,3,4,5
[ [ "A", "1,2,3,4" ], [ "B", "1,3,4" ], [ "C", "2,3,4,5" ], [ "D", "1,2,3,4,5" ], [ "E", "1,2,3,5" ], [ "F", "2,3,5,4" ], [ "G", "2,3,4" ], [ "H", "1,2,4,5" ], [ "I", "1,3,5,4" ], [ "J", "1,3,4,5" ] ]
C
2,3,4,5
Engineering
Textile Science and Engineering
Textile Chemistry and Dyeing Engineering
hard
0448d7eea72a4b1f804976c8cc5c69ef
0
supergpqa
Which land-assembly approach (or approaches) has (have) the following characteristics? I. Serviced land is used as compensation for the losses of affected residents caused by the redevelopment project. II. Existing residents have the option to remain in the neighborhood after redevelopment. III. Local infrastructure will be built on land space made available by land surrendered to the implementing agency by participating residents.
A) Land Consolidation
[ [ "A", "Land Consolidation" ], [ "B", "Estate Division" ], [ "C", "Community Relocation" ], [ "D", "Property Rezoning" ], [ "E", "Land Acquisition" ], [ "F", "Infrastructure Enhancement" ], [ "G", "Property Redevelopment" ], [ "H", "Urban Renewal" ], [ "I", "Land Development" ], [ "J", "Land Redistribution" ] ]
A
Land Consolidation
Management
Public Administration
Land Resource Management and Administrative Management
easy
51fb4fdfd5254d62a35c9fe42345e5d2
10
supergpqa
In which year was Zoleka Mandela first diagnosed with cancer?
D) 2012
[ [ "A", "2011" ], [ "B", "2014" ], [ "C", "2013" ], [ "D", "2012" ], [ "E", "2018" ], [ "F", "2010" ], [ "G", "2016" ], [ "H", "2015" ], [ "I", "2019" ], [ "J", "2017" ] ]
D
2012
Medicine
Clinical Medicine
Oncology
hard
c8fda146bf7f4da3a85af3fc0b6e72c4
0
supergpqa
We now define an algorithm: The definition of a(n) is the least nontrivial exponent e such that the decimal representation of n is a substring of the decimal representation of n raised to the power of e. Given the input x_list (a series of values): [78, 79, 80, 81, 82, 83, 84, 85, 86, 87], determine the corresponding output sequence y_list.
H) [21, 11, 5, 6, 14, 4, 11, 22, 22, 7]
[ [ "A", "[16, 8, 2, 13, 19, 11, 8, 28, 16, 4]" ], [ "B", "[19, 10, 4, 9, 12, 6, 11, 25, 19, 5]" ], [ "C", "[14, 6, 0, 15, 21, 2, 7, 30, 14, 2]" ], [ "D", "[22, 12, 6, 7, 15, 5, 12, 23, 23, 8]" ], [ "E", "[18, 9, 3, 8, 13, 7, 10, 24, 20, 6]" ], [ "F", "[23, 14, 8, 11, 17, 9, 14, 26, 18, 10]" ], [ "G", "[20, 13, 7, 10, 16, 8, 13, 21, 21, 9]" ], [ "H", "[21, 11, 5, 6, 14, 4, 11, 22, 22, 7]" ], [ "I", "[17, 15, 9, 12, 18, 10, 0, 27, 17, 11]" ], [ "J", "[15, 7, 1, 14, 20, 3, 9, 29, 15, 3]" ] ]
H
[21, 11, 5, 6, 14, 4, 11, 22, 22, 7]
Science
Mathematics
Special Number Theory
hard
9149453edaf0461db9a37d0816015e3a
0
supergpqa
If the interaction energy of a crystal can be expressed as $$ u(r) = -\frac{\alpha}{r^m} + \frac{\beta}{r^n} $$ Given $m = 2, n = 10, r_0 = 3 \, \text{Å}, \, W = 4 \, \text{eV}$, determine the values of $\alpha$ and $\beta$.
A) $$ \alpha= 4 5 \, \mathrm{e V} \cdot\AA, $$ $$ \beta=5. 9 0 \times1 0^{-1 6} \mathrm{\, e V} \cdot\AA $$
[ [ "A", "$$\n\\alpha=\n4 5 \\, \\mathrm{e V} \\cdot\\AA,\n$$\n$$\n\\beta=5. 9 0 \\times1 0^{-1 6} \\mathrm{\\, e V} \\cdot\\AA\n$$" ], [ "B", "$$\n\\alpha=\n6 4 \\, \\mathrm{e V} \\cdot\\AA,\n$$\n$$\n\\beta=1. 8 5 \\times1 0^{-1 7} \\mathrm{\\, e V} \\cdot\\AA\n$$" ], [ "C", "$$\n\\alpha=\n5 5 \\, \\mathrm{e V} \\cdot\\AA,\n$$\n$$\n\\beta=8. 1 8 \\times1 0^{-1 7} \\mathrm{\\, e V} \\cdot\\AA\n$$" ], [ "D", "$$\n\\alpha=\n9 0 \\, \\mathrm{e V} \\cdot\\AA,\n$$\n$$\n\\beta=3. 2 4 \\times1 0^{-1 5} \\mathrm{\\, e V} \\cdot\\AA\n$$" ], [ "E", "$$\n\\alpha=\n3 2 \\, \\mathrm{e V} \\cdot\\AA,\n$$\n$$\n\\beta=6. 0 2 \\times1 0^{-1 7} \\mathrm{\\, e V} \\cdot\\AA\n$$" ], [ "F", "$$\n\\alpha=\n1 0 \\, \\mathrm{e V} \\cdot\\AA,\n$$\n$$\n\\beta=9. 5 2 \\times1 0^{-1 5} \\mathrm{\\, e V} \\cdot\\AA\n$$" ], [ "G", "$$\n\\alpha=\n2 8 \\, \\mathrm{e V} \\cdot\\AA,\n$$\n$$\n\\beta=4. 9 3 \\times1 0^{-1 6} \\mathrm{\\, e V} \\cdot\\AA\n$$" ], [ "H", "$$\n\\alpha=\n1 3 \\, \\mathrm{e V} \\cdot\\AA,\n$$\n$$\n\\beta=7. 4 5 \\times1 0^{-1 6} \\mathrm{\\, e V} \\cdot\\AA\n$$" ], [ "I", "$$\n\\alpha=\n7 7 \\, \\mathrm{e V} \\cdot\\AA,\n$$\n$$\n\\beta=8. 7 6 \\times1 0^{-1 6} \\mathrm{\\, e V} \\cdot\\AA\n$$" ], [ "J", "$$\n\\alpha=\n8 9 \\, \\mathrm{e V} \\cdot\\AA,\n$$\n$$\n\\beta=2. 3 0 \\times1 0^{-1 5} \\mathrm{\\, e V} \\cdot\\AA\n$$" ] ]
A
$$ \alpha= 4 5 \, \mathrm{e V} \cdot\AA, $$ $$ \beta=5. 9 0 \times1 0^{-1 6} \mathrm{\, e V} \cdot\AA $$
Science
Physics
Solid State Physics
hard
fd31f2be4a2b4b43ab55f9148e5ebd3d
0
supergpqa
Which aspect is the same between pulmonary circulation and systemic circulation?
F) Stroke volume
[ [ "A", "Carbon dioxide diffusion" ], [ "B", "Aortic Expandability" ], [ "C", "Venous return rate" ], [ "D", "Blood vessel elasticity" ], [ "E", "Systolic Blood Pressure" ], [ "F", "Stroke volume" ], [ "G", "Peripheral resistance" ], [ "H", "Pulmonary artery function" ], [ "I", "Oxygen levels in veins" ], [ "J", "Flow direction consistency" ] ]
F
Stroke volume
Science
Biology
Physiology
hard
2b12f355688049bea091ba7ac6f5f3ea
0
supergpqa
What is the Book of Kells?
F) from the late 8th or early 9th century.
[ [ "A", "a 9th-century illuminated manuscript." ], [ "B", "from the early 7th or late 6th century." ], [ "C", "from the late 7th or early 8th century." ], [ "D", "the text of the Acts of Paul." ], [ "E", "from the early 8th or late 9th century." ], [ "F", "from the late 8th or early 9th century." ], [ "G", "a text of Saemund's Edda." ], [ "H", "from the late 7th or early 9th century." ], [ "I", "a 9th-century manuscript." ], [ "J", "a 7th-century manuscript." ] ]
F
from the late 8th or early 9th century.
Literature and Arts
Language and Literature
Philology and Bibliography
easy
8f1aa428047f40a6b410caf4ce170f3e
8
supergpqa
Many rocks formed by contact metamorphism have no or little foliation. Why is this?
E) There is almost no deformation during contact metamorphism.
[ [ "A", "Contact metamorphism occurs without significant pressure." ], [ "B", "During the metamorphic process, no intact minerals were reconstituted." ], [ "C", "Contact metamorphism occurs under high temperature conditions." ], [ "D", "The heat during contact metamorphism preserves the rocks." ], [ "E", "There is almost no deformation during contact metamorphism." ], [ "F", "The minerals are reorganized with minimal deformation." ], [ "G", "Mineral structures are unaffected during contact metamorphism." ], [ "H", "The rock textures are retired with barely any disruption." ], [ "I", "Contact metamorphism occurs under low temperature conditions." ], [ "J", "Rock textures are preserved during contact metamorphism." ] ]
E
There is almost no deformation during contact metamorphism.
Science
Geology
Mineralogy, Petrology, and Economic Geology
medium
df480f0167034ad3afb2a5acc49ef898
6
supergpqa
What is the water replenishment and pressure maintenance method that integrates safe and reliable operation, water hammer prevention, water replenishment, pressure maintenance, and expansion water regulation?
G) Expansion pressure tank pressure maintenance
[ [ "A", "Intermittent water replenishment pressure maintenance with a water pump" ], [ "B", "Wind turbine-assisted water pressure regulation" ], [ "C", "Gravity-fed reservoir pressure maintenance system" ], [ "D", "Steam-powered reciprocating pump maintenance" ], [ "E", "Continuous water replenishment pressure maintenance with a water pump" ], [ "F", "Solar-powered water pressure stabilization" ], [ "G", "Expansion pressure tank pressure maintenance" ], [ "H", "Variable frequency drive pressure maintenance" ], [ "I", "High-level water tank pressure maintenance" ], [ "J", "Thermoelectric cooling water pressure system" ] ]
G
Expansion pressure tank pressure maintenance
Engineering
Civil Engineering
Urban Infrastructure Engineering
easy
acaa3a240f114f22b0b0c373e0dd4f93
10
supergpqa
The equilibrium constant for the reaction $\mathrm{I_{2} ( g ) \to2}$ l(g) is 0.26 at 1000 K. What is the corresponding value of $K_{\mathrm{c}}?$ ?
I) $$ 0. 0 0 3 1 $$
[ [ "A", "$$\n0. 0 0 1 8\n$$" ], [ "B", "$$\n0. 0 0 4 3\n$$" ], [ "C", "$$\n0. 0 0 2 9\n$$" ], [ "D", "$$\n0. 0 0 7 2\n$$" ], [ "E", "$$\n0. 0 0 5 0\n$$" ], [ "F", "$$\n0. 0 0 6 3\n$$" ], [ "G", "$$\n0. 0 0 4 8\n$$" ], [ "H", "$$\n0. 0 0 5 5\n$$" ], [ "I", "$$\n0. 0 0 3 1\n$$" ], [ "J", "$$\n0. 0 0 3 7\n$$" ] ]
I
$$ 0. 0 0 3 1 $$
Science
Chemistry
Physical Chemistry
easy
413303e1ef5b4662af7013c79ceefc83
10
supergpqa
Between 1980 and 1985, which province did Ren Zhongyi serve as the First Secretary of the Provincial Party Committee?
A) Guangdong
[ [ "A", "Guangdong" ], [ "B", "Zhejiang" ], [ "C", "Hunan" ], [ "D", "Hainan" ], [ "E", "Fujian" ], [ "F", "Guangxi" ], [ "G", "Jiangxi" ] ]
A
Guangdong
History
History
World History
medium
1bd13c0fc8b8474da9496ce331cac130
5
supergpqa
In the range of $1000 \sim 1500 \, \mathrm{K}$, the liquid Cu-Zn alloy exhibits the properties of an ideal solution, with $\alpha = -19250 \, \mathrm{J/mol}$ and $\lg p_{\mathrm{Zn}}^{*} = -\frac{6850}{T} - 0.75 \lg T + 8.36$. Try to determine the following: the vapor pressure of zinc over the Cu-Zn alloy surface at $1200 \, \mathrm{K}$ with $x_{\mathrm{Cu}} = 0.4$; the standard enthalpy change of formation $\Delta H_{\mathrm{m}}^{\ominus}$ for the Cu-Zn alloy at $1200 \, \mathrm{K}$.
B) $$ 7. 3 3 \times1 0^{5} \mathrm{~ P a},- 4 6 2 0 \mathrm{~ J / m o l ~} $$
[ [ "A", "$$\n7. 4 4 \\times1 0^{5} \\mathrm{~ P a},- 4 0 0 0 \\mathrm{~ J / m o l ~}\n$$" ], [ "B", "$$\n7. 3 3 \\times1 0^{5} \\mathrm{~ P a},- 4 6 2 0 \\mathrm{~ J / m o l ~}\n$$" ], [ "C", "$$\n6. 9 8 \\times1 0^{5} \\mathrm{~ P a},- 4 4 5 0 \\mathrm{~ J / m o l ~}\n$$" ], [ "D", "$$\n7. 1 1 \\times1 0^{5} \\mathrm{~ P a},- 4 8 3 0 \\mathrm{~ J / m o l ~}\n$$" ], [ "E", "$$\n7. 0 5 \\times1 0^{5} \\mathrm{~ P a},- 4 7 0 0 \\mathrm{~ J / m o l ~}\n$$" ], [ "F", "$$\n8. 0 3 \\times1 0^{5} \\mathrm{~ P a},- 4 5 0 0 \\mathrm{~ J / m o l ~}\n$$" ], [ "G", "$$\n8. 1 9 \\times1 0^{5} \\mathrm{~ P a},- 4 8 0 0 \\mathrm{~ J / m o l ~}\n$$" ], [ "H", "$$\n6. 7 2 \\times1 0^{5} \\mathrm{~ P a},- 5 0 3 0 \\mathrm{~ J / m o l ~}\n$$" ], [ "I", "$$\n7. 2 5 \\times1 0^{5} \\mathrm{~ P a},- 4 9 5 0 \\mathrm{~ J / m o l ~}\n$$" ], [ "J", "$$\n7. 3 9 \\times1 0^{5} \\mathrm{~ P a},- 4 3 0 0 \\mathrm{~ J / m o l ~}\n$$" ] ]
B
$$ 7. 3 3 \times1 0^{5} \mathrm{~ P a},- 4 6 2 0 \mathrm{~ J / m o l ~} $$
Engineering
Metallurgical Engineering
Physical Chemistry of Metallurgical Process
hard
e37c6682f37643a98c95793b737e6f70
1
supergpqa
The auscultation site for ventricular septal defect murmur is ( ).
B) Left margin of the sternum between the third and fourth ribs.
[ [ "A", "Third intercostal space at the midclavicular line." ], [ "B", "Left margin of the sternum between the third and fourth ribs." ], [ "C", "Above the xiphoid process" ], [ "D", "Left sternal border between the fourth and fifth ribs." ], [ "E", "The second intercostal space at the right sternal border" ], [ "F", "Right margin of the sternum above the third rib." ], [ "G", "Second intercostal space at the left edge of the sternum" ], [ "H", "Below the left clavicle adjacent to the sternum." ], [ "I", "Right sternal border between the second and third ribs." ], [ "J", "Heart apex" ] ]
B
Left margin of the sternum between the third and fourth ribs.
Medicine
Clinical Medicine
Pediatrics
hard
b780306fa7af4b6fb053db41f34b16be
0
supergpqa
Given that the boiler emits 10 m³ of flue gas for each 1 kg of coal burned (under standard conditions), and the coal consumption rate of the boiler is 30 t/h, the gas analyzer measures the volume fractions of the components in the flue gas as $φ_CO₂ = 0.12, φ_O₂ = 0.05, φ_N₂ = 0.79, φ_H₂O = 0.04$. The temperature of the flue gas in the chimney is $280^{\circ} \ \mathrm{C}$, and the pressure is 0.98 × 10⁵ Pa. Determine the volumetric flow rate of the flue gas in the chimney
A) $$ 6. 2 8 \times1 0^{5} m^{3} / h $$
[ [ "A", "$$\n6. 2 8 \\times1 0^{5} m^{3} / h\n$$" ], [ "B", "$$\n6. 1 9 \\times1 0^{5} m^{3} / h\n$$" ], [ "C", "$$\n6. 5 5 \\times1 0^{5} m^{3} / h\n$$" ], [ "D", "$$\n7. 0 2 \\times1 0^{5} m^{3} / h\n$$" ], [ "E", "$$\n5. 8 4 \\times1 0^{5} m^{3} / h\n$$" ], [ "F", "$$\n7. 1 0 \\times1 0^{5} m^{3} / h\n$$" ], [ "G", "$$\n7. 4 7 \\times1 0^{5} m^{3} / h\n$$" ], [ "H", "$$\n6. 3 5 \\times1 0^{5} m^{3} / h\n$$" ], [ "I", "$$\n5. 9 3 \\times1 0^{5} m^{3} / h\n$$" ], [ "J", "$$\n5. 7 6 \\times1 0^{5} m^{3} / h\n$$" ] ]
A
$$ 6. 2 8 \times1 0^{5} m^{3} / h $$
Engineering
Power Engineering and Engineering Thermophysics
Thermal Energy Engineering
hard
fe97341740e54687961f7e938b9354c2
0
supergpqa
In the arrangement shown the two blocks attached to the two ends of a string passing over a pulley, resting on an incline plane $\left (\theta = \dfrac {\pi}{4}\right )$. The plane is moved with an acceleration $g/2$ towards left $(m_{2} > m_{1})$.
A) $$\left (\dfrac {m_{2} - m_{1}}{m_{2} + m_{1}}\right )\dfrac {g}{\sqrt {2}}$$
[ [ "A", "$$\\left (\\dfrac {m_{2} - m_{1}}{m_{2} + m_{1}}\\right )\\dfrac {g}{\\sqrt {2}}$$" ], [ "B", "$$\\left (\\dfrac {m_{2} - m_{1}}{m_{2} + m_{1}} \\right )\\dfrac {g}{\\sqrt {5}}$$" ], [ "C", "$$\\left (\\dfrac {m_{2} - m_{1}}{m_{2} + m_{1}}\\right )\\dfrac {g}{2}$$" ], [ "D", "$$\\left (\\dfrac {m_{2} - m_{1}}{m_{2} + m_{1}}\\right )g$$" ], [ "E", "$$\\left (\\dfrac {m_{2} - m_{1}}{m_{2} + m_{1}} \\right )\\dfrac {g}{\\sqrt {6}}$$" ], [ "F", "$$\\left (\\dfrac {m_{2} - m_{1}}{m_{2} + m_{1}} \\right )\\dfrac {g}{4}$$" ], [ "G", "$$\\left (\\dfrac {m_{2} - m_{1}}{m_{2} + m_{1}} \\right )\\dfrac {g}{3}$$" ], [ "H", "$$\\dfrac {3\\sqrt {2}}{4}\\left (\\dfrac {m_{2} - m_{1}}{m_{2} + m_{1}}\\right )g$$" ], [ "I", "$$\\left (\\dfrac {m_{2} - m_{1}}{m_{2} + m_{1}} \\right )\\dfrac {g}{\\sqrt {3}}$$" ] ]
A
$$\left (\dfrac {m_{2} - m_{1}}{m_{2} + m_{1}}\right )\dfrac {g}{\sqrt {2}}$$
Engineering
Mechanics
Fundamentals of Dynamics and Control
hard
da9355b5e9df4f31955ce9d48a37ff32
0
supergpqa
At a height of $15\ m$ from ground velocity of a projectile $\displaystyle ec{v}= \left ( 10\hat{i}+10\hat{j} \right )$ and  ($g = 10\ ms^{-2}$ )
H) maximum height of projectile form ground is $20\ m$
[ [ "A", "horizontal range of projectile is $100\\ m$" ], [ "B", "maximum height of projectile form ground is $17.5\\ m$" ], [ "C", "maximum height of projectile form ground is $22\\ m$" ], [ "D", "maximum height of projectile form ground is $19.5\\ m$" ], [ "E", "particle was projected at an angle of $\\displaystyle 45^{\\circ}$ with horizontal" ], [ "F", "maximum height of projectile form ground is $15\\ m$" ], [ "G", "time of flight of projectile is $4\\ s$" ], [ "H", "maximum height of projectile form ground is $20\\ m$" ], [ "I", "maximum height of projectile form ground is $25\\ m$" ], [ "J", "maximum height of projectile form ground is $21\\ m$" ] ]
H
maximum height of projectile form ground is $20\ m$
Engineering
Mechanics
Fundamentals of Dynamics and Control
hard
f5b187b815964db1aa94e324b72d8fbe
0
supergpqa
The radius of the piston sound source on an infinite baffle is 10 cm, and the equivalent mass of its mechanical system is 1000 g. It is known that its resonance frequency when operating in water is 2000 Hz. What is the equivalent elastic modulus of this system? What change occurs to the resonance frequency of this piston source when it operates in air?
E) 5.17 × 10 $^{8}$ N/m; the resonant frequency has increased.
[ [ "A", "3.33 × 10 $^{8}$ N/m; the resonant frequency decreased." ], [ "B", "9.88 × 10 $^{8}$ N/m; the resonant frequency remained constant." ], [ "C", "5.17 × 10 $^{7}$ N/m; the resonant frequency remained constant." ], [ "D", "6.12 × 10 $^{8}$ N/m; the resonant frequency decreased." ], [ "E", "5.17 × 10 $^{8}$ N/m; the resonant frequency has increased." ], [ "F", "1.23 × 10 $^{8}$ N/m; the resonant frequency decreased." ], [ "G", "2.99 × 10 $^{9}$ N/m; the resonant frequency decreased." ], [ "H", "7.05 × 10 $^{8}$ N/m; the resonant frequency decreased." ], [ "I", "4.22 × 10 $^{9}$ N/m; the resonant frequency remained constant." ], [ "J", "8.44 × 10 $^{8}$ N/m; the resonant frequency remained constant." ] ]
E
5.17 × 10 $^{8}$ N/m; the resonant frequency has increased.
Science
Physics
Acoustics
hard
dc8e135861014b288da94e54fad2f287
1
supergpqa
What are the main types of environmental protection laws in China?
H) Environmental protection standalone laws; Environmental protection cross-sectional laws; Environmental protection comprehensive laws
[ [ "A", "Environmental protection individual statutes; Environmental protection group statutes; Environmental protection total statutes" ], [ "B", "Environmental conservation single acts; Environmental conservation combined acts; Environmental conservation entire" ], [ "C", "Environmental conservation local acts; Environmental conservation regional acts; Environmental conservation global acts" ], [ "D", "Environment conservation specific laws; Environment conservation inclusive laws; Environment conservation overlapping" ], [ "E", "Environmental protection regional laws; Environmental protection sectorial laws; Environmental protection unified laws" ], [ "F", "Environmental protection municipal laws; Environmental protection provincial laws; Environmental protection national laws" ], [ "G", "Environmental control solo regulations; Environmental control intersecting regulations; Environmental control complete regulations" ], [ "H", "Environmental protection standalone laws; Environmental protection cross-sectional laws; Environmental protection comprehensive laws" ], [ "I", "Environmental guard local decrees; Environmental guard province decrees; Environmental guard federal decrees" ], [ "J", "Environmental safeguard regional policies; Environmental safeguard sectorial policies; Environmental safeguard unified policies" ] ]
H
Environmental protection standalone laws; Environmental protection cross-sectional laws; Environmental protection comprehensive laws
Engineering
Environmental Science and Engineering
Environmental and Resource Protection
medium
0b8629b4b7ea4a5e8779b94939a6321a
3
supergpqa
A three-phase input single-phase output AC-AC frequency conversion device, the input voltage is 380 V (line voltage), the main circuit structure is two sets of three-phase bridge full control circuit inverse parallel, what are the output frequency and the output voltage adjustment range ?
D) 0~20Hz; 0~363V
[ [ "A", "0~18Hz; 0~363V" ], [ "B", "0~25Hz; 0~400V" ], [ "C", "0~18Hz; 0~320V" ], [ "D", "0~20Hz; 0~363V" ], [ "E", "0~15Hz; 0~300V" ], [ "F", "0~23Hz; 0~365V" ], [ "G", "0~21Hz; 0~350V" ], [ "H", "0~22Hz; 0~363V" ], [ "I", "0~30Hz; 0~360V" ], [ "J", "0~25Hz; 0~350V" ] ]
D
0~20Hz; 0~363V
Engineering
Electrical Engineering
Power Electronics and Electrical Drives
easy
5d8dfb78e7c04b019309036f1dd92686
10
supergpqa
Which of the following works is a representative piece from the Renaissance period?
I) Mona Lisa
[ [ "A", "Garden of Earthly Delights" ], [ "B", "Girl with a Pearl Earring" ], [ "C", "The Birth of Venus" ], [ "D", "Las Meninas" ], [ "E", "The Persistence of Memory" ], [ "F", "Guernica" ], [ "G", "The School of Athens" ], [ "H", "Starry Night" ], [ "I", "Mona Lisa" ], [ "J", "The Scream" ] ]
I
Mona Lisa
Literature and Arts
Art Studies
Fine Arts
hard
5304129d2b814f0c958819387fdb80a0
0
supergpqa
The material and end constraints of a rod with a circular cross-section and high flexibility remain unchanged. If both its geometric dimensions (length and cross-sectional diameter) are doubled, what multiple of the critical pressure is it compared to the original column?
D) 4 times
[ [ "A", "2 times" ], [ "B", "3 times" ], [ "C", "6 times" ], [ "D", "4 times" ], [ "E", "5 times" ], [ "F", "7 times" ], [ "G", "1 time" ], [ "H", "9 times" ], [ "I", "10 times" ], [ "J", "8 times" ] ]
D
4 times
Engineering
Mechanics
Solid Mechanics
easy
252ef00448984926ba230ec5257df9b9
10
supergpqa
What are the two types of Italian oratorios?
D) Latin Oratorios and Secular Oratorios
[ [ "A", "Liturgical Cantatas and Secular Chorales" ], [ "B", "Operatic Oratorios and Lyric Cantatas" ], [ "C", "Pastoral Oratorios and Italian Motets" ], [ "D", "Latin Oratorios and Secular Oratorios" ], [ "E", "Sacred Chorales and Serenatas" ], [ "F", "Liturgical Oratorios and Roman Oratorios" ], [ "G", "Sacred Operas and Dramatic Cantatas" ], [ "H", "Baroque Cantatas and Religious Serenatas" ], [ "I", "Vocal Suites and Church Madrigals" ], [ "J", "Vernacular Oratorios and Choral Cantatas" ] ]
D
Latin Oratorios and Secular Oratorios
Literature and Arts
Musicology
Music History, Education, and Technology
easy
c613300392884374bd11895d7df5d2d5
10
supergpqa
The vibrational mode density $$g ( \omega) $$ of a one-dimensional monoatomic chain =________.
F) $$ \frac{2 N} {\pi} \left( {\omega_{m}}^{2}-{\omega}^{2} \right)^{\frac{1} {2}} $$
[ [ "A", "$$ \\frac{N} {\\pi} \\left( {\\omega_{m}}^{2}+{\\omega}^{2} \\right)^{\\frac{1} {2}} $$" ], [ "B", "$$ \\frac{N} {\\pi} \\left( {\\omega_{m}}^{2}-{\\omega}^{2} \\right)^{\\frac{1} {2}} $$" ], [ "C", "$$ \\frac{2 N} {\\pi} \\left( {\\omega_{m}}^{2}- 2{\\omega}^{2} \\right)^{\\frac{1} {2}} $$" ], [ "D", "$$ \\frac{N} {\\pi} \\left( {\\omega_{m}}^{3}-{\\omega}^{3} \\right)^{\\frac{1} {2}} $$" ], [ "E", "$$ \\frac{N} {\\pi} \\left( {\\omega_{m}}^{2}-{\\omega}^{3} \\right)^{\\frac{1} {2}} $$" ], [ "F", "$$ \\frac{2 N} {\\pi} \\left( {\\omega_{m}}^{2}-{\\omega}^{2} \\right)^{\\frac{1} {2}} $$" ], [ "G", "$$ \\frac{2 N} {\\pi} \\left( {\\omega_{m}}^{4}-{\\omega}^{4} \\right)^{\\frac{1} {2}} $$" ], [ "H", "$$ \\frac{N} {\\pi} \\left( {\\omega_{m}}^{2}- 3{\\omega}^{2} \\right)^{\\frac{1} {2}} $$" ], [ "I", "$$ \\frac{N} {\\pi} \\left( {\\omega_{m}}^{2}+\\frac{1}{2}{\\omega}^{2} \\right)^{\\frac{1} {2}} $$" ] ]
F
$$ \frac{2 N} {\pi} \left( {\omega_{m}}^{2}-{\omega}^{2} \right)^{\frac{1} {2}} $$
Science
Physics
Solid State Physics
easy
770c165c59f445a7a37b03e4b76a295a
10
supergpqa
What theory is built around the principle that 'people make choices regarding how to behave based on values and beliefs'?
H) Expectancy
[ [ "A", "Social Learning" ], [ "B", "Cognitive Dissonance" ], [ "C", "Humanistic" ], [ "D", "Operant Conditioning" ], [ "E", "Psychoanalytic" ], [ "F", "Instrumental" ], [ "G", "Evolutionary" ], [ "H", "Expectancy" ], [ "I", "Contingency" ], [ "J", "Classical" ] ]
H
Expectancy
Sociology
Sociology
Social and Folklore Studies
hard
3aa0df710fe344e38aa3a4d095426ce3
0
supergpqa
The mirror surface of the condenser mirror of the searchlight is a surface of rotation, whose shape is formed by a curve $L$ on the $x O y$ coordinate surface rotated about the $x$ axis. According to the performance requirements of the condenser mirror, all the light emitted at a point $O$ on its axis of rotation ($x$ axis) is parallel to the axis of rotation after it is reflected. The equation for the curve $L$ is ().
E) $$y^{2}=2 C_{1} \left( x+\frac{C_{1}} {2} \right)$$
[ [ "A", "$$y^{2}=2 C_{1} \\left( 3x+\\frac{C_{1}} {2} \\right)$$" ], [ "B", "$$y^{2}=2 C_{1} \\left( x^2+\\frac{C_{1}} {2} \\right)$$" ], [ "C", "$$y^{2}=2 C_{1} \\left( 2x+\\frac{C_{1}} {2} \\right)$$" ], [ "D", "$$y^{2}=2 C_{1} \\left( x^3+\\frac{C_{1}} {2} \\right)$$" ], [ "E", "$$y^{2}=2 C_{1} \\left( x+\\frac{C_{1}} {2} \\right)$$" ], [ "F", "$$y^{2}=2 C_{1} \\left( x+\\frac{C_{1}} {4} \\right)$$" ], [ "G", "$$y^{2}=3C_{1} \\left( x+\\frac{C_{1}} {2} \\right)$$" ], [ "H", "$$y^{2}=2 C_{1} \\left( x+\\frac{C_{1}} {3} \\right)$$" ], [ "I", "$$y^{2}=2 C_{1} \\left( x-\\frac{C_{1}} {2} \\right)$$" ], [ "J", "$$y^{2}= C_{1} \\left( x+\\frac{C_{1}} {2} \\right)$$" ] ]
E
$$y^{2}=2 C_{1} \left( x+\frac{C_{1}} {2} \right)$$
Engineering
Optical Engineering
Applied Optics
hard
96dcc928d3b840549292bef07477af83
0
supergpqa
Two gear wheels of the same thickness (as shown), but one with twice the diameter of the other, are mounted on parallel light axles far enough so that the teeth of the wheels do not mesh. The larger wheel is spun with angular velocity $\Omega$  and the wheels are then moved together so that they mesh. For the meshed rotating gears, if $\displaystyle \frac{Kinetic\  energy\, lost}{Original\, Kinetic\, energy} = \frac{1}{3+X}$, find the value of $X$.
A) 2
[ [ "A", "2" ], [ "B", "12" ], [ "C", "7" ], [ "D", "3" ], [ "E", "4" ], [ "F", "8" ], [ "G", "\\frac{1}{4}" ], [ "H", "1" ], [ "I", "6" ], [ "J", "5" ] ]
A
2
Engineering
Mechanical Engineering
Manufacturing Automation
hard
b2e311f4dbbb4a03b4364679034a97fb
2
supergpqa
Consider a population of garden peas in which the genes F for full pods and f for constricted pods are segregating. Assuming that gene frequencies for this population are found to be: p (frequency of F) = 0.7 and q (frequency of f) = 0.3, and that the population is in genetic equilibrium, what proportion of the progeny produced frommatingsof full-podded× full-poddedwill be constricted-podded?
G) 0.0532
[ [ "A", "0.21" ], [ "B", "0.3" ], [ "C", "0.6" ], [ "D", "0.7" ], [ "E", "0.81" ], [ "F", "0.01" ], [ "G", "0.0532" ], [ "H", "0.49" ], [ "I", "0.4" ], [ "J", "0.09" ] ]
G
0.0532
Science
Biology
Genetics
hard
67c4737fdecf44a98ec3557200283433
0
supergpqa
The correct statements about the Yokoyama Rule are:
D) Managers should motivate organizational members to work spontaneously.
[ [ "A", "The most effective control relies on institutional constraints." ], [ "B", "Proposed by Adams." ], [ "C", "Revolutions depend on self-awareness; managers do not need to make painstaking efforts." ], [ "D", "Managers should motivate organizational members to work spontaneously." ] ]
D
Managers should motivate organizational members to work spontaneously.
Military Science
Military Science
Military Management
hard
8562f8d7486f43c08baa00f2d08e94dc
0
supergpqa
Mitochondrial bases 16184 to 16188 are 5 consecutive Cs. If a C is inserted, it should be named ( ).
H) 16188.1C
[ [ "A", "16189.2C" ], [ "B", "16186.1C" ], [ "C", "16188.2C" ], [ "D", "16184.1C" ], [ "E", "16185.1C" ], [ "F", "16187.2C" ], [ "G", "16189.1C" ], [ "H", "16188.1C" ], [ "I", "16184.2C" ], [ "J", "16187.1C" ] ]
H
16188.1C
Medicine
Basic Medicine
Pathogen Biology
hard
96ad3e7cb7b54144afcb3065789bb77e
0