problem stringlengths 14 4.09k | solution stringlengths 1 802k | task_type stringclasses 3
values | problem_tokens int64 5 895 |
|---|---|---|---|
The following is a multiple choice question (with answers).
===Question
An adiabatic container is filled with helium gas at $10 \, \mathrm{K}$ (above the critical temperature), which slowly leaks through fine cracks until the pressure inside the container reaches 1 atm and the temperature is 4.2 K (the normal boiling p... | $96atm$ | general_qa | 274 |
The following is a multiple choice question (with answers).
===Question
The common-mode rejection ratio of the first stage amplification circuit in a three-op-amp differential circuit is determined by ( ).
===Choices
the absolute value of the difference in the common-mode rejection ratio of A1 and A2 themselves
all of... | The difference in the common-mode rejection ratio of A1 and A2 themselves | general_qa | 167 |
The following is a multiple choice question (with answers).
===Question
A circular coil of radius 0.157 m has 50 turns.It is placed such that its axis is in magnetic meridian.A dip needle is supported at the centre of the coil with its axis of rotation horizontal and in the plane of the coil.The angle of dip is ${30^0}... | 1 A | general_qa | 202 |
The following is a multiple choice question (with answers).
===Question
Consider the situation shown in figure. The elevator is going up with an acceleration of $2.00ms^{-2}$ and the focal length of the mirror is $12.0cm$. All the surfaces are smooth and pulley is light. The mass-pulley system is released from rest (wi... | $$8.57 cm$$ | general_qa | 192 |
The following is a multiple choice question (with answers).
===Question
The reason for the downshift of the C=O stretching vibration frequency in aromatic ketones is ( )
===Choices
resonance stabilization effect
steric effect
resonance effect
hyperconjugation effect
inductive effect
conjugation effect
hydrogen bond ef... | conjugation effect | general_qa | 72 |
The following is a multiple choice question (with answers).
===Question
Consider the following production rules of a grammar:
$S \rightarrow A B a$, $A \rightarrow a a b$, $B \rightarrow A c$
To convert this grammar into Chomsky Normal Form (CNF), we first need to eliminate direct generation of terminal symbols by non-... | $S \rightarrow A D$, $D \rightarrow B B$, $A \rightarrow B_1 B_2$, $B_1 \rightarrow a$, $B_2 \rightarrow b$, $B \rightarrow A C$, $C \rightarrow c$ | general_qa | 658 |
The following is a multiple choice question (with answers).
===Question
In the Gibb's reaction, coumarin derivatives are primarily used to determine ( ).
===Choices
whether there is a substituent at the 6th position
whether the ring is closed
whether there is a substituent at the 7th position
whether there is a substi... | whether there is a substituent at the 6th position | general_qa | 139 |
The following is a multiple choice question (with answers).
===Question
Given that $\displaystyle E^o_{Fe^{2+}/Fe} = -0.44, E^o_{Cu^{2+}/Cu} = 0.34V, E^o_{Ag+/Ag} = 0.80V$Which of the following statements are true :
===Choices
Cu displace Fe from $Fe_2(SO_4)_3$ solution
Cu displace Ag from $CuSo_4$ solution
Ag displac... | Cu displace Ag from $AgNO_3$ solution | general_qa | 166 |
The following is a multiple choice question (with answers).
===Question
Example 6.8: Given that the amplitude of the electric field intensity at a distance of 10 km in the direction of maximum radiation of a half-wave dipole in free space is 0.01 V/m, with the operating frequency of the radiated electromagnetic wave be... | $$
h=0. 2 5 \ \mathrm{m}
$$
$$Im=1.667A$$ | general_qa | 389 |
The following is a multiple choice question (with answers).
===Question
The temperature of the cold junction of thermo-couple is $0^{\circ}C$ and the temperature of hot junction is $T^{\circ}C$ . The e.m.f. is $E=16T-0.04T^{2}\mu $ volts. The temperature of inversion is
===Choices
$$175^{\circ}C$$
$$200^{\circ}C$$
$$4... | $$400^{\circ}C$$ | general_qa | 164 |
The following is a multiple choice question (with answers).
===Question
According to the uncertainty principle, the ground state energy of the hydrogen atom can be estimated as _____.
===Choices
$E=-(mu e^4_s)/(3hbar^2)$
$E=-(mu e^5_s)/(2hbar^2)$
$E=-(mu e^4_s)/(2hbar^2)$
$E=-(mu e^4_s)/(6hbar^2)$
$E=-(mu e^3_s)/(2hba... | $E=-(mu e^4_s)/(2hbar^2)$ | general_qa | 207 |
The following is a multiple choice question (with answers).
===Question
Commonly use the ________ to check for cardiac tremors.
===Choices
lower wrist area
back of the hand
palm opposite side
palm dorsal side
thumb pad area
palm radial side
palm ulnar side
fingertips only
index finger side
heel of the hand | palm radial side | general_qa | 78 |
The following is a multiple choice question (with answers).
===Question
Find points on a coordinate plane that satisfy the equation $x \cdot (x-2) + y \cdot (y+4) + 5 = 0$.
===Choices
(1, -4)
(0, -3)
(1, -3)
(2, -2)
(2, -3)
(1,-2)
(1, -1)
(0, -2) | (1,-2) | general_qa | 100 |
The following is a multiple choice question (with answers).
===Question
In the process of root absorption of inorganic ions, which of the following factors plays a decisive role?
===Choices
The Respiration Rate of Root Systems
The Density of Stomata on Leaf Surfaces
The chemical potential difference across the apical ... | The Respiration Rate of Root Systems | general_qa | 143 |
The following is a multiple choice question (with answers).
===Question
The symmetric difference $A \Delta B$ of two sets $A$ and $B$ is the set of elements in exactly one of $A$ and $B$ . Find the remainder when the number of triples of sets $(A, B, C)$ with $A, B, C \subseteq \{1, 2, \dots, 8\}$ and $|A \Delta B| + |... | 616 | general_qa | 164 |
The following is a multiple choice question (with answers).
===Question
How many of Jacob Abraham Camille Pissarro's seven children also became painters?
===Choices
7
1
9
2
4
6
8
5
3
10 | 6 | general_qa | 54 |
The following is a multiple choice question (with answers).
===Question
A linear time-invariant resistor of 4\Omega has a current through it given byi(t) = sin\pit. If E(0) = 0, find the energy dissipated in the resistor at t = 1, 2, 3, 4, 5, 6 sec.
===Choices
E(1) = 2.5J, E(2) = 5J, E(3) = 7.5J, E(4) = 10J, E(5) = 12... | E(1) = 2J, E(2) = 4J, E(3) = 6J, E(4) = 8J, E(5) = 10J, E(6) = 12J | general_qa | 666 |
The following is a multiple choice question (with answers).
===Question
What is the type of population reproduction that has the longest time span of any human being today?
===Choices
high births, high deaths, low natural population growth
low births, fluctuating deaths, high natural population growth
high births, low... | high births, high deaths, low natural population growth | general_qa | 150 |
The following is a multiple choice question (with answers).
===Question
In which year was the Taiwan International Video Art Exhibition first held?
===Choices
2007
2005
2006
2002
2008
2004
2003
2009
2011
2010 | 2008 | general_qa | 79 |
The following is a multiple choice question (with answers).
===Question
In an experiment to determine the acceleration due to gravity g, the formula used for the time period of a periodic motion is $T=2\pi\sqrt{\dfrac{7(R-r)}{5g}}$. The values of R and r are measured to be $(60\pm 1)mm$ and $(10\pm 1)mm$, respectively.... | The error in the determined value of $g$ is $11\%$ | general_qa | 329 |
The following is a multiple choice question (with answers).
===Question
Timetables are mainly expressed as () within railways.
===Choices
Travel grid
Service schedule
Network table
Route planner
Train diagram
Departure sequence
Station listing
Line arrangement
Track allocation
Car assignment | Train diagram | general_qa | 58 |
The following is a multiple choice question (with answers).
===Question
We now define an algorithm: The definition of a(n) is: Multiplication table {0..i} X {0..j} of binary polynomials (polynomials over GF(2)) interpreted as binary vectors, then written in base 10, or binary multiplication without carries. Note that t... | [27, 32, 27, 20, 27, 32, 27, 20, 11, 0] | general_qa | 547 |
The following is a multiple choice question (with answers).
===Question
In military operations, commanders have developed a multi-stage resource allocation plan to maximize combat effectiveness over three stages (t = 1, 2, 3). The optimal resource allocation strategy in each stage is as follows:
- **Resource x(t) alloc... | Combat effectiveness of Zone A: \( E_A(t) = \sqrt{x(t)} \)
Combat effectiveness of Zone B: \( E_B(t) = \ln(y(t) + 1) \) | general_qa | 552 |
The following is a multiple choice question (with answers).
===Question
The demand curve of an imperfectly competitive firm is ( )
===Choices
A horizontal line
A vertical line
A downward-sloping straight line
An inverted U-shaped line
An upward-sloping straight line
An S-shaped curve
A downward-sloping curved line
A p... | A downward-sloping straight line | general_qa | 89 |
The following is a multiple choice question (with answers).
===Question
What is the complete name of the oldest Hindu temple in the Umerkot District?
===Choices
Umarkot Shiv Mandir Temple
Umarkot Shiva Mandir Temple Complex
Umarkot Shiva Mandir
Umarkot Shiv Mandir
Umarkot Shiv Temple
Umarkot Shiva Temple Complex
Umark... | Umarkot Shiv Mandir | general_qa | 113 |
The following is a multiple choice question (with answers).
===Question
$\int_{0}^{+\infty }{\frac{dx}{(x+1)\sqrt{{x}^{2}+1}}}$
===Choices
\\frac{\\sqrt{2}}{2}\\ln (3-2\\sqrt{3})
$\frac{1}{2}\ln (3+2\sqrt{2})$
$\\frac{1}{2}\\ln (2+2\\sqrt{2})$
$\\frac{\\sqrt{2}}{2}\\ln (3+2\\sqrt{2})$
$\frac{\sqrt{2}}{2}\ln (3-2\sqrt{... | $\\frac{\\sqrt{2}}{2}\\ln (3+2\\sqrt{2})$ | general_qa | 256 |
The following is a multiple choice question (with answers).
===Question
Which country was the first in the world to establish a civil service system?
===Choices
United Kingdom
China
India
Germany
Japan
Italy
Greece
France
Egypt
United States | United Kingdom | general_qa | 54 |
The following is a multiple choice question (with answers).
===Question
______ areas are collectively referred to as mountain ranges, valleys between mountains, and basins among mountains, and are formed by external forces cutting against a backdrop of rising earth crust.
===Choices
Rocky
Highland
Hilly
Lowland
Flat
P... | Mountainous | general_qa | 82 |
The following is a multiple choice question (with answers).
===Question
Given that the density of seawater at sea level under $100 \mathrm{kPa}$ is $1025 \mathrm{kg/m^{3}}$, and the average bulk modulus of seawater is $234 \times 10^{7} \mathrm{Pa}$, with the absolute pressure at the seabed being $817 \times 10^{2} \, ... | $$
\rho=1 0 6 1 \mathrm{k g} / \mathrm{m}^{3}
$$ | general_qa | 399 |
The following is a multiple choice question (with answers).
===Question
Who is the famous philosopher who published 'Truth and Method' in 1960?
===Choices
Hans-Georg Gadamer (1959)
Hans-Georg Gadamer (1960, revised edition)
Martin Buber
Paul Ricoeur
Hans-Georg Gadamer (1962)
Hans-Georg Gadamer
Edmund Husserl
Hans-Geor... | Hans-Georg Gadamer | general_qa | 117 |
The following is a multiple choice question (with answers).
===Question
Experimental results show that the homogeneous decomposition reaction of nitrous oxide is:
$$
\mathrm{N_{2} O} \longrightarrow \mathrm{N_{2}} + \frac{1}{2} \mathrm{O_{2}}
$$
The rate expression is given as:
$$
(-r_{\mathrm{N_{2} O}}) \!=\! \frac{k_... | $$
2 2 3 4 2 5 \ \mathrm{J / m o l}
$$ | general_qa | 504 |
The following is a multiple choice question (with answers).
===Question
Let $U=\left\{ \, u_{1} \,, u_{2} \,, u_{3} \, \right\}$, $V=\left\{ \, v_{1} \,, v_{2} \,, v_{3} \,, v_{4} \, \right\}$, $R \in\mathcal{F} \left( \, U \times V \right)$ and
$$
R=\left\{ \begin{matrix} {{{0. 1}}} & {{{0. 3}}} & {{{0. 5}}} & {{{0. 9... | $$f(u_1)=(0.1,0.3,0.5,0.9),f(u_2)=(1,0.7,0.2,0.3),f(u_3)=(1,0.2,0.1,1)$$ | general_qa | 836 |
The following is a multiple choice question (with answers).
===Question
Two numbers added together are 19. Their product is 70. What are the two numbers?
===Choices
12, 7
7, 10
9, 10
4, 15
1, 18
5, 14
2, 17
3, 16
8, 11
6, 13 | 5, 14 | general_qa | 98 |
The following is a multiple choice question (with answers).
===Question
$Cd-Sn$ alloy was detected at $6 8 2 \mathrm{^{\circ} C}$ : when $x_{\mathrm{C d}} \! \!=\! \! 0. 0 1 0 6 ( {}^{0} \! \! \! / \mathrm{o C d} \! \!=\! \! 1 ), \ x_{\mathrm{C d}} \! \!=\! \! 1 ( {}^{0} \! \! / \mathrm{o C d} \! \!=\! \! 1 0 0 )$ and ... | $0.921,38.40$ | general_qa | 464 |
The following is a multiple choice question (with answers).
===Question
The production, distribution, and excretion of body fluids mainly rely on the comprehensive functions of which group of organs?
===Choices
Heart Lung Spleen Kidney
Heart Liver Lung Kidney
Heart Spleen Kidney
Heart Lung Kidney
Heart Liver Lung Sple... | Lung Spleen Kidney | general_qa | 106 |
The following is a multiple choice question (with answers).
===Question
The electric potential varies in space according to relation V=(2x + 4y). a particle of mass 0.1 kg starts from rest from point (2, 2) under the influence of the flied. If charge on the particle is $1\mu C$, then speed of the particle when it cross... | $\dfrac{1}{\sqrt{2}}\times 10^{-2}$ m/s | general_qa | 288 |
The following is a multiple choice question (with answers).
===Question
Two particles moving initially in the same direction undergo a one dimensional, elastic collision. Their relative velocities before and after collision are $\overrightarrow { { v }_{ 1 } } $ and $\overrightarrow { { v }_{ 2 } } $. Then :
===Choice... | $$\left| \overrightarrow { { v }_{ 1 } } . \overrightarrow { { v }_{ 2 } } \right| ={ \left| \overrightarrow { { v }_{ 1 } } \right| }^{ 2 }$$ and $$\left| \overrightarrow { { v }_{ 1 } } \right| =\left| \overrightarrow { { v }_{ 2 } } \right| $$ and $$\overrightarrow { { v }_{ 1 } } =-\overrightarrow { { v }_{ 2 } }={... | general_qa | 691 |
The following is a multiple choice question (with answers).
===Question
The patient had a history of edema for more than ten years, and had recently developed urinary tract obstruction, vomiting of clear water, pallor, chills, and cold extremities. The tongue is pale and slippery, and the pulse is dull and thin. The tr... | Warm Spleen Decoction combined with Wu Zhu Yu Decoction | general_qa | 194 |
The following is a multiple choice question (with answers).
===Question
Given the harmonic function $u(x, y) = x^{2} - y^{2} + x y$, what are its conjugate harmonic function $v(x, y)$ and the analytic function $f(z) = u(x, y) + \mathrm{i} v(x, y)$?
===Choices
$$
v = y^2 - x^2 + C \quad\mathrm{( ~ C ~ is \ an\ arbitrar... | $$
v = 2xy - \frac{x^2}{2} + \frac{y^2}{2} + C \quad\mathrm{( ~ C ~ is \ an\ arbitrary\ constant)}
$$
$$
\frac{z^2}{2} \cdot (2 - \mathrm{i}) + \mathrm{i} C
$$ | general_qa | 708 |
The following is a multiple choice question (with answers).
===Question
Determine ${ \Delta H }/{ kJ }$ for the following reaction using the listed enthalpies of reaction:$4CO\left( g \right) +8{ H }_{ 2 }\left( g \right) \longrightarrow 3C{ H }_{ 4 }\left( g \right) +C{ O }_{ 2 }\left( g \right) +2{ H }_{ 2 }O\left( l... | -747.5 | general_qa | 454 |
The following is a multiple choice question (with answers).
===Question
The ______ refers to the percentage of offspring that survive this year compared to the number of mature female animals capable of breeding at the end of the previous year.
===Choices
survival rate of breeding
mortality rate of offspring
survival ... | survival rate of breeding | general_qa | 114 |
The following is a multiple choice question (with answers).
===Question
Choosing hourly wages as a form of wage is ().
===Choices
unfavorable to workers
favorable to both parties
favorable to workers
beneficial for management
detrimental to both parties
advantageous for management
favorable to operators
advantageous f... | favorable to workers | general_qa | 84 |
The following is a multiple choice question (with answers).
===Question
Three uniformly charged wires with linear charge density 1 are placed along x, y and z axis respectively. What is flux of electric field through Gaussian surface given by $x^2 + y^2 + z^2 =1 ; x > 0 ; y > 0 ; z > 0$
===Choices
\(\frac{5\lambda }{2... | $$\frac{3\lambda }{2\varepsilon _0}$$ | general_qa | 254 |
The following is a multiple choice question (with answers).
===Question
There are $N$ people in a class $( N \,=\, 2 5 )$ . What is the probability that no one in the class has $a$ birthday on a particular day? Ignore seasonal variations in birth rate and ignore leap years.
===Choices
93%
85%
97%
87%
94%
92%
89%
96%
9... | 93% | general_qa | 100 |
The following is a multiple choice question (with answers).
===Question
Palpation is more important for the examination of the ______.
===Choices
spine
chest
ankle
thigh
scalp
wrist
foot
knee
elbow
shoulder | chest | general_qa | 57 |
The following is a multiple choice question (with answers).
===Question
For the hemisphere of radius 'R' shown in the figure the surface charge density $'\sigma '$ varies with '$\theta$ ' (shown in figure) as $\sigma = {\sigma _0}\cos \theta .$ The total charge on the sphere is
===Choices
$$\dfrac{{{\sigma _0}\pi {R^... | $$2{\sigma _0}\pi {R^2}$$ | general_qa | 267 |
The following is a multiple choice question (with answers).
===Question
When an ideal fluid flows through a pipe and the cross-section suddenly enlarges, the piezometric head in the pressure measurement tube will______.
===Choices
Remain unchanged
Only remain level
Sharply drop
Temporarily fluctuate
Only rise
Instantl... | Only rise | general_qa | 85 |
The following is a multiple choice question (with answers).
===Question
The process of ionizing a metal and stabilizing it in solution by adding an appropriate solvent to dissolve the mineral is ( ).
===Choices
solution stabilization
solvent ionization
solvent mixing
solvent treatment
chemical bonding
mineral dissolut... | leaching process | general_qa | 81 |
The following is a multiple choice question (with answers).
===Question
Regarding the deposit of a debt, which of the following statements conforms to the provisions of Chinese Contract Law?
===Choices
The depositor may demand interest payment for the duration of the deposit period.
The creditor's ability to refuse th... | One of the conditions for a deposit is that the creditor refuses to accept the subject matter without valid reason. | general_qa | 164 |
The following is a multiple choice question (with answers).
===Question
The instantaneous values of current and voltage inan A.c. circuit ate I = 4 sin $\omega t$ and E = 100 cos
$(\omega t + \dfrac{\pi}{3})$ respectively. Thee phase difference between voltage and current is
===Choices
\dfrac{5\pi}{6}
\dfrac{\pi}{6}
\... | $$\dfrac{\pi}{3}$$ | general_qa | 147 |
The following is a multiple choice question (with answers).
===Question
For which of the following compound, the formula $\alpha=\lambda_v/\lambda_{\infty}$ does not hold good?
===Choices
\(H_2O\)
$$HCl$$
$$CH_3NH_2$$
\(H_2SO_4\)
\(HCl\)
H_2CO_3
$$CH_3COOH$$
$$HClO_4$$
CH_3COONa
\(HNO_3\) | $$HClO_4$$ | general_qa | 114 |
The following is a multiple choice question (with answers).
===Question
The mass of the atmosphere above an altitude of 11km is about 25% of the total mass of the atmosphere, so what is the approximate air pressure at that altitude?
===Choices
800hPa.
600hPa.
400hPa.
250hPa.
350hPa.
900hPa.
500hPa.
300hPa.
750hPa.
650... | 250hPa. | general_qa | 115 |
The following is a multiple choice question (with answers).
===Question
In which year did the British Nationality Act state that 'if either parent is a British citizen or has settled in the UK, the child will automatically become a British citizen upon birth'?
===Choices
1985
1983
1986
1980
1984
1987
1981
1989
1982
19... | 1981 | general_qa | 104 |
The following is a multiple choice question (with answers).
===Question
A parallel-plate air capacitor has initial capacitance C. If plate separation is slowly increased from $d_1$ to $d_2$, then mark the correct statement(s). [Take potential of the capacitor to be constant, i.e., throughout the process it remains conn... | Work done by battery $=2$ times the change in electric potential energy stored in capacitor | general_qa | 288 |
The following is a multiple choice question (with answers).
===Question
You are standing on the surface of a spherical asteroid gd 10 km in diameter, of density 3000 kg/m. Could you throw a small rock fast enough that it escapes? Give the speed required in km/s and mph.
===Choices
$$
0 0 7 5 \ \mathrm{k m / s}
$$
$$
1... | $$
0 0 6 5 \ \mathrm{k m / s}
$$
$$
1 4. 6 \, \mathrm{m p h}.
$$ | general_qa | 442 |
The following is a multiple choice question (with answers).
===Question
$13$ nondistinguishable residents are moving into $7$ distinct houses in Conformistville, with at least one resident per house. In how many ways can the residents be assigned to these houses such that there is at least one house with at least $4$ r... | 567 | general_qa | 114 |
The following is a multiple choice question (with answers).
===Question
What is the pre-teaching phase of PE classroom teaching?
===Choices
Curriculum benchmark setting
Athletic skill enhancement
Physical fitness assessment
Developmental activity planning
Educational theory application
Pedagogical approach evaluation
... | Instructional design skills | general_qa | 76 |
The following is a multiple choice question (with answers).
===Question
In a closed loop, which has some inductance but negligible resistance, uniform but time varying magnetic field is applied directed into the plane of the loop. Variation of field with time is shown. Initially current in the loop was zero. Then
===C... | emf induced in the loop is zero at $t = 2\ s$ | general_qa | 222 |
The following is a multiple choice question (with answers).
===Question
John Smith donated a unit of whole
blood in May. Red blood cells made from the
whole blood were transfused to a recipient of a
community hospital in June with no apparent
complications. The blood supplier notified the
medical director of the hospit... | The recipient's physician should be notified | general_qa | 182 |
The following is a multiple choice question (with answers).
===Question
In which year did Limpho Hani resign from her seat in the Lower House of the new South African Parliament?
===Choices
1999
1997
1992
1993
1994
1996
2001
1998
2000
1995 | 1999 | general_qa | 90 |
The following is a multiple choice question (with answers).
===Question
The average lifetime of a particle at rest is experimentally measured to be $\Delta t^{\prime}$, and the average distance traveled is $v \Delta t$ when it is moving at a speed $\mathbf{v}$ much less than the speed of light. However, if $\mathbf{v}$... | During high-speed motion, there is a time dilation effect. | general_qa | 222 |
The following is a multiple choice question (with answers).
===Question
Essential groups in enzyme molecules are____ necessarily their active sites.
===Choices
sometimes
not
always
seldom
often
frequently
usually
generally
occasionally
rarely | not | general_qa | 55 |
The following is a multiple choice question (with answers).
===Question
The quantity of water considered adequate in urban areas (in liters per day person) is -
===Choices
145-195
130-180
200-250
100-150
150-200
160-210
140-190
50-100
170-220
120-170 | 150-200 | general_qa | 113 |
The following is a multiple choice question (with answers).
===Question
Consider the nonlifting flow over a circular cylinder of a given radius, where $V_{\infty}=2 0$ ft/s. If $V_{\infty}$ is doubled, that is, $V_{\infty}=4 0$ fts, does the shape of the streamlines change?
===Choices
$$
- \left( 1+{\frac{\mathbf{R}^{... | $$
- \left( 1+{\frac{\mathbf{R}^{2}} {\mathbf{r}^{2}}} \right) \ \mathrm{s i n} \theta
$$ | general_qa | 525 |
The following is a multiple choice question (with answers).
===Question
A cubical block of plastic of edge 3 cm floats in water. The lower surface of the cube just touches the free end of a vertical spring fixed at the bottom of the pot. Find the maximum weight that can be put on the block without wetting it. Density o... | $$0.65N$$ | general_qa | 188 |
The following is a multiple choice question (with answers).
===Question
A point object moves along an arc of a circle of radius R. Its velocity depends upon the distance covered 'S' as V=$K\sqrt S $ where 'K' is a constant. If $\theta$ is the angle between the total acceleration and tangential acceleration, then
===Ch... | $$tan \theta =\dfrac{S}{2R}$$ | general_qa | 241 |
The following is a multiple choice question (with answers).
===Question
When using the English system for draft marks, the height and spacing of numbers should be
===Choices
10 inches
15 inches
6 inches
12 inches
3 inches | 3 inches | general_qa | 52 |
The following is a multiple choice question (with answers).
===Question
How does bow handling on the cello and bass differ from bow handling on the violin and viola?
===Choices
The arm generally stays above the bow.
The elbow generally stays above the bow.
The pinky finger rests on top of the bow.
The pinky finger doe... | The pinky finger does not rest on top of the bow. | general_qa | 78 |
The following is a multiple choice question (with answers).
===Question
\( \lim\limits_{n \to \infty } { { {3^{n - 1}} - {2^n}} \over{ { 2^{n - 1}} - {3^n}}} = \)
===Choices
\( {1 \over 3} \)
\( - {1 \over 3} \)
- {1 \over 2}
\( {3 \over 2} \)
\\( {2 \over 3} \\)
\\( - {3 \over 4} \\)
\\( - {2 \over 9} \\)
- {1 \over ... | \( - {1 \over 3} \) | general_qa | 166 |
The following is a multiple choice question (with answers).
===Question
About occipital condyles, how many do birds have?
===Choices
3
8
1
10
5
6
7
9
4
2 | 1 | general_qa | 50 |
The following is a multiple choice question (with answers).
===Question
Farmer Brown has 50 acres on which she can grow arugula or broccoli. Each acre of arugula requires \$10 in capital costs and uses 5 hours of labor. Each acre of broccoli requires \$7 in capital costs and uses 3 hours of labor. Labor is \$6 per hour... | Plant 48.75 acres of arugula and leave 1.25 acres unused. | general_qa | 324 |
The following is a multiple choice question (with answers).
===Question
The national regulations on how provinces in the Yellow River Basin can use river water during a certain period of time belong to ().
===Choices
Redistributive policy
Self regulating policies
Protective policy
Accommodative policy
Distributive pol... | Regulatory policy | general_qa | 85 |
The following is a multiple choice question (with answers).
===Question
A 47-year-old woman, usually in good health, experienced severe headache after an argument, accompanied by dizziness, facial flushing, red eyes, irritability, red tongue, yellow coating, and wiry rapid pulse. Which of the following groups of acupoi... | Baihui, Fengchi, Touwei, Taichong | general_qa | 224 |
The following is a multiple choice question (with answers).
===Question
A flat coil, C, of n turns , area Aa and resistance R, is placed in a uniform magnetic field of magnitude B. The plane of the coil is initially perpendicular to B. The coil is rotated by an angle $\theta$ about a diameter and charge of amount Q flo... | $$ \theta =90 ^{\circ}\, Q=0$$ | general_qa | 244 |
The following is a multiple choice question (with answers).
===Question
A driver and his neighbor signed a document titled "Completely Integrated Agreement," in which the driver promised to sell his neighbor a car. However, the document contained no promises or performance from the neighbor in exchange for the driver's... | Yes, because the written contract is unlikely to be considered a binding agreement. | general_qa | 328 |
The following is a multiple choice question (with answers).
===Question
The approach of matching the right tree to the right site includes selecting suitable trees for the site, selecting suitable sites for the trees, modifying trees to suit the site, and modifying ____ to ____.
===Choices
the trees, fit the site
the ... | the site, suit the trees | general_qa | 125 |
The following is a multiple choice question (with answers).
===Question
What is the expression for the amount of change in volume per unit volume of rock for a unit change in pressure?
===Choices
$C_p = \frac{1}{V_t} \frac{dV_f}{dp}$
$C_v = \frac{1}{P_f} \frac{dV_p}{dp}$
$C_f = \frac{dV_f}{1} \frac{dp}{dV_t}$
$C_f = \... | $C_f = \frac{1}{V_f} \frac{dV_t}{dp}$ | general_qa | 263 |
The following is a multiple choice question (with answers).
===Question
For given cell reaction$O_{2}(g)+4\ H^{+} (aq)+4e^{-} \rightarrow 2\ H_{2}O (l)$$E^{o}=1.23\ V$ and $\Delta_{r}\ S^{O}_{298\ K}=-0.32\ kJ\ K^{-1}$What is the value of $\Delta_{r}H^{o}(H_{2}O)$?
===Choices
$$-285.07\ kJ\ mol^{-1}$$
$$-570.18\ kJ\ m... | $$-285.08\ kJ\ mol^{-1}$$ | general_qa | 277 |
The following is a multiple choice question (with answers).
===Question
Who was the lead sound for the Kirby Star Allies 2019 original soundtrack?
===Choices
Masahiro Akao
Masahiro Sakurai
Hirokazu Ando
Masahiro Ando | Hirokazu Ando | general_qa | 59 |
The following is a multiple choice question (with answers).
===Question
The methods of mixed planting primarily include star-shaped mixing, inter-plant mixing, inter-row mixing, strip mixing, ____ mixing, and ____mixing.
===Choices
line, periodic
square, random
continuous, variable
circle, occasional
grid, sporadic
zo... | block, irregular | general_qa | 89 |
The following is a multiple choice question (with answers).
===Question
All objects constantly radiate __________ and simultaneously absorb __________ from other objects.
===Choices
vibration energy, vibration energy
electromagnetic waves, electromagnetic waves
infrared radiation, infrared radiation
radiant energy, ra... | radiant energy, radiant energy | general_qa | 99 |
The following is a multiple choice question (with answers).
===Question
What are the key points of the three methods in the osmotic pressure method?
===Choices
Infiltration Harmony Technique, Middle Lift and Sink Strategy, Benefit Calculation End Technique
Infiltration Balance Approach, Median Rise and Lower Method, E... | Penetration Equilibrium Method, Midpoint Ascension and Descent Method, Profit Rate Endpoint Method | general_qa | 222 |
The following is a multiple choice question (with answers).
===Question
If you were to perform an equivalent of the basic NMR experiment on a free electron (a.k.a. an ESR or electron spin resonance experiment), what field strength would you need to produce the same electron resonance frequency as you get from a proton ... | 2.3 mT field | general_qa | 141 |
The following is a multiple choice question (with answers).
===Question
A clean glass tube with a diameter of 2mm is filled with water at 10°C to a height of 35mm. What is the actual hydrostatic height of the water ?
===Choices
$$
2 1. 3 4 {\mathrm{m m}}
$$
$$
1 9. 8 6 {\mathrm{m m}}
$$
$$
2 3. 0 4 {\mathrm{m m}}
$$
$... | $$
1 9. 8 6 {\mathrm{m m}}
$$ | general_qa | 236 |
The following is a multiple choice question (with answers).
===Question
A circular disc of radius R rolls without slipping on a rough horizontal surface. At the instant shown its linear velocity is V, linear acceleration a, angular velocity $\omega$ and angular acceleration $R \alpha$. Four points A, B, C and D lie on ... | $$a_D =\sqrt{(\alpha + \omega ^2R )^2+(R\alpha)^2}$$ | general_qa | 251 |
The following is a multiple choice question (with answers).
===Question
It has been hypothesized that Earth is under continuous bombardment by house-sized minicomets with typical diameters of 10 m, at the rate of some 30,000 per day. Assuming spherical shapes and average densities of $100 kg/m^{3}$, calculate the total... | $$
5. 7 4 \times1 0^{1 1} \mathrm{k g}
$$ | general_qa | 336 |
The following is a multiple choice question (with answers).
===Question
5 charges each of magnitude $10^{-5} C$ and mass 1 kg are placed (fixed) symmetrically about a movable central charge of magnitude $5 \times 10^{-5}$C and mass 0.5 kg as shown. The charge at $P_1$ is removed. The acceleration of the central charge ... | 9 m s$^{-2}$ upwards | general_qa | 257 |
The following is a multiple choice question (with answers).
===Question
The period between final felling and seeding felling on a particular area under shelter wood system is called ().
===Choices
Maturity phase
Felling cycle
Regeneration interval
Harvest sequence
Regeneration period
Growth cycle
Development stage
Rot... | Regeneration interval | general_qa | 75 |
The following is a multiple choice question (with answers).
===Question
A certain type of bird that lives 50 kilometers from the coast arrives at the seaside 50 minutes later each day to forage. What does this belong to?
===Choices
Feeding Interval
Irregular.
Diurnal Pattern
Migratory Behavior
Lunar Rhythm
Seasonal Cy... | Tidal Rhythm | general_qa | 93 |
The following is a multiple choice question (with answers).
===Question
Eccentricity $e < 0.1 \text{m}$ for a strip foundation with a base width $b = 3 \text{m}$ and a foundation depth $d = 1.5 \text{m}$. The soil layer is silty clay, with an average unit weight of soil above the foundation base of $\gamma_{\mathrm{m}}... | 8.98% | general_qa | 360 |
The following is a multiple choice question (with answers).
===Question
The main surface treatment technologies for glass include acid treatment, fire polishing, coating with organic compounds, _________, and dual-layer coating process.
===Choices
phosphide glazing operation
carbonate texturing process
iodide rougheni... | sulfide frosting reaction | general_qa | 102 |
The following is a multiple choice question (with answers).
===Question
When a charge of amount Q is given to an isolated metal plate X of surface area A, its surface charge density becomes $\sigma _1$. When an isolated identical plate Y is brought close to X, the surface charge density on X becomes $\sigma_2$. When ... | $$\sigma_3=\dfrac{Q}{A}$$ | general_qa | 243 |
The following is a multiple choice question (with answers).
===Question
Which of the following options represent two notes that form a diatonic semitone?
===Choices
L:1/4
M:4/2
K:Db
B,4 =B,4 |] %1
L:1/4
M:4/2
K:Ab
^G4 A4 |] %1
L:1/4
M:4/2
K:B
[E,F,]4 |] %1
L:1/4
M:4/2
K:Eb
[=A,B,]4 |] %1 | L:1/4
M:4/2
K:Eb
[=A,B,]4 |] %1 | general_qa | 140 |
The following is a multiple choice question (with answers).
===Question
A couple contracted with a nanny to care for their children for eight hours each day of the workweek. As they were discussing the terms, the couple told the nanny that they generally paid $15 per hour, and the nanny agreed that this was a good rate... | The couple, because the parol evidence rule will bar the nanny from bringing in evidence of the previous negotiations. | general_qa | 400 |
The following is a multiple choice question (with answers).
===Question
Suppose air molecules have a collision cross section of $1 0^{-1 6} \mathrm{c m^{2}}$. If the (number) density of air molecules is $1 0^{1 9} \mathrm{~ c m^{-3} ~}$, what is the collision mean free path?
===Choices
$$1 0^{-3} \mathrm{c m}$$
$$1 0^... | $$1 0^{-3} \mathrm{c m}$$ | general_qa | 233 |
The following is a multiple choice question (with answers).
===Question
The term "cerebral palsy" is used to describe a group of chronic diseases?
===Choices
Respiratory functions and lung capacity
Psychological behaviors and mental health
Digestive processes and nutrient absorption
Neurological functions and brain ca... | Body movements and muscle coordination | general_qa | 107 |
The following is a multiple choice question (with answers).
===Question
Female patient, 20 years old, college student. Family reports that over the past 3 years, the patient has gradually become less talkative and active, withdrawn and isolated, indifferent to relatives and friends, requires supervision for personal hy... | Simple-type Schizophrenia | general_qa | 193 |
The following is a multiple choice question (with answers).
===Question
The equation of the standing wave in a string clamped at both ends, vibrating in its third harmonic is given by$y=0.4\sin(0.314x)\cos(600\pi t)$ where, $x$ and $y$ are in cm and $t$ in sec.a) the frequency of vibration is $300 Hz$.b) the length of... | a, b, c are true | general_qa | 186 |
The following is a multiple choice question (with answers).
===Question
Under whose purview was the Service Area Approach implemented?
===Choices
Lead Bank Scheme
National Rural Health Mission
National Skill Development Mission
National Rural Livelihoods Mission
Mahatma Gandhi National Rural Employment Guarantee Schem... | Lead Bank Scheme | general_qa | 68 |
The following is a multiple choice question (with answers).
===Question
The room-temperature electrical conductivity of silicon that has been doped with $10^{23} \, \text{m}^{-3}$ of arsenic atoms is () .
===Choices
$$
3 2 3 5 \ ( \Omega\mathrm{-m} )^{-1}
$$
$$
8 1 7 7 \ ( \Omega\mathrm{-m} )^{-1}
$$
$$
7 6 3 8 \ ( \O... | $$
1 0 4 0 \ ( \Omega\mathrm{-m} )^{-1}
$$ | general_qa | 294 |
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