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
A solid sphere moves at a terminal velocity of 20 m/s in air at a place where g=9.8 m/$s^2$. The sphere is taken in a gravity free hall having air at the same pressure and pushed down at a speed of 20 m/s.
===Choices
its initial acceleration will ... | the magnitude of acceleration will decrease as the time passes | general_qa | 212 |
The following is a multiple choice question (with answers).
===Question
Find $I=\int_{0}^\pi \int_{0}^{4 \cdot \sin\left(\theta\right)} \frac{ 4 }{ \sqrt{16-r^2} } \cdot r \, d r \, d \theta$.
===Choices
16 * (pi - 1/2)
16 * (pi - 1)
16 * (pi - 2)
32 * (pi / 2 - 1)
16 * (pi / 2 - 2)
16 * (pi / 2 - 1)
16 * (pi - 3/2) | 32 * (pi / 2 - 1) | general_qa | 152 |
The following is a multiple choice question (with answers).
===Question
Pierre Bourdieu believes that what controls a lot of people's behaviors in daily life?
===Choices
Cultural norms
Familial obligations
Political beliefs
Religious values
Economic status
Sense of practice
Personal desires
Social expectations
Technol... | Sense of practice | general_qa | 73 |
The following is a multiple choice question (with answers).
===Question
Separately find the fractional linear transformation $w = L(z)$ that conformally maps the upper half-plane $z$ ($\operatorname{Im} z > 0$) to the unit disk ($|w| < 1$), satisfying the conditions:
$$
L(\mathrm{i}) = 0, \operatorname{arg} L^{\prime}(... | $$
{\frac{\mathrm{i}-z} {\mathrm{i}+z}}
$$ | general_qa | 304 |
The following is a multiple choice question (with answers).
===Question
Let $X(k)$ denote the $N$-point discrete Fourier transform of the $N$-point sequence $x(n)$, where $X(k)$ itself is also an $N$-point sequence. If the discrete Fourier transform of $X(k)$ is computed to obtain a sequence $x_{1}(n)$, express $x_{1}(... | $$
x_{1} ( n )=N \cdot\sum_{l=0}^{l} x (-n+N l )=N \cdot x ( (-n ) )_{N} R_{N} ( n )
$$ | general_qa | 557 |
The following is a multiple choice question (with answers).
===Question
In which year did Niu Zexun become the head of the Department of Advertising at Chinese Culture University?
===Choices
2014
2011
2012
2015
2019
2016
2010
2018
2013
2017 | 2016 | general_qa | 88 |
The following is a multiple choice question (with answers).
===Question
The volume of a right circular cylinder is given by $V(x,y) = \pi \cdot x^2 \cdot y$ where $x$ is the radius of the cylinder and $y$ is the cylinder height. Suppose $x$ and $y$ are functions of $t$ given by $x = \frac{ 1 }{ 2 } \cdot t$ and $y = \f... | 34\cdot\pi/3 | general_qa | 239 |
The following is a multiple choice question (with answers).
===Question
A fuel cell is constructed in which both electrodes make use of the oxidation of methane. The left-hand electrode makes use of the complete oxidation of methane to carbon dioxide and water; the right-hand electrode makes use of the partial oxidatio... | $$
{0. 0 9 \ V}
$$ | general_qa | 228 |
The following is a multiple choice question (with answers).
===Question
Given the conditions of measurement, where $p = 0.1013 \mathrm{MPa}$ and $t = 20^{\circ}\mathrm{C}$, we have coaxial cylindrical electrodes with an inner electrode diameter of 0.5 cm and an outer electrode diameter of 50 cm; the electrode surfaces ... | $$
4 1. 2 9 k V
$$ | general_qa | 266 |
The following is a multiple choice question (with answers).
===Question
Theemfat 298 K of the concentration cell with transference, H_2(1atm) \vertHCl(a = 0.0100)\vertHCl(a = 0.100)\vertH_2(1atm) is 0.0190 V. What is the average transference number of the H^+ ion?
===Choices
0.50000
0.03000
0.04500
0.16058
0.11832
0.0... | 0.83942 | general_qa | 178 |
The following is a multiple choice question (with answers).
===Question
In a photonic crystal, assuming the refractive index contrast of the material is 2 and the lattice constant is 500 nm, calculate the width of the photonic band gap.
===Choices
45 nm
50 nm
30 nm
5 nm
10 nm
20 nm
35 nm
15 nm
40 nm
25 nm | 20 nm | general_qa | 94 |
The following is a multiple choice question (with answers).
===Question
Relative to the stars, what is the angle of the Moon's movement in one hour?
===Choices
about 35 minutes of arc
about 31 minutes of arc
about 50 minutes of arc
about 45 minutes of arc
about 15 minutes of arc
about 42 minutes of arc
about 20 minute... | about 31 minutes of arc | general_qa | 114 |
The following is a multiple choice question (with answers).
===Question
A particle is projected from point A, that is at a distance 4R from the centre of the Earth, with speed ${ v }_{ 1 }$ in a direction, making $30$ with the line joining the centre of the Earth and point A. Find the speed ${ v }_{ 1 }$ of particle (I... | $$4000 \sqrt { 2 }$$ | general_qa | 252 |
The following is a multiple choice question (with answers).
===Question
A circuit is comprised of eight identical batteries and a resistor $R=0.8\Omega$. Each battery has an emf of $1.0V$ and internal resistance of $0.2\Omega$. The voltage difference across any of the battery is
===Choices
1.25V
$$1.0V$$
0.4V
0.6V
$$0... | $$0V$$ | general_qa | 127 |
The following is a multiple choice question (with answers).
===Question
The composition of the equilibrium mixture $\left ( Cl_{2}\rightleftharpoons 2Cl \right )$ which is attained at $1200^{\circ}C$ is determined by measuring the rate of effusion through a pin hole. It is observed that the given mixture effuses 1.5 ti... | 0.14 | general_qa | 169 |
The following is a multiple choice question (with answers).
===Question
The half life decomposition of ${N_2}{O_5}$ in a first order reaction represented by
${N_2}{O_5} \to {N_2}{O_4} + \frac{1}{2}{O_2}$
After 20 min the volume of ${O_2}$ produced is 10 ml and at the end of the reaction 40 ml. The value of the rate c... | $$14{\min ^{ - 1}}$$ | general_qa | 280 |
The following is a multiple choice question (with answers).
===Question
Which constellation does the pair of spiral galaxies (Double Mouse Galaxy) belong to?
===Choices
Leo
Draco
Canes Venatici
Leo Minor
Ursa Major
Lynx
Virgo
Coma Berenices | Coma Berenices | general_qa | 63 |
The following is a multiple choice question (with answers).
===Question
What is the core of the religious belief system?
===Choices
Sacred texts and scriptures.
Community and fellowship.
The role of prayer and meditation.
Personal spiritual experiences.
Philosophical interpretations of faith.
Moral and ethical guideli... | Religious doctrines and creeds. | general_qa | 87 |
The following is a multiple choice question (with answers).
===Question
What is the contemporary form of the Marxist view of nature?
===Choices
Systematic view of nature, artificial view of nature, ecological view of nature.
Academic view of nature, evolutionary view of nature, responsive view of nature.
Cyclic view o... | Systematic view of nature, artificial view of nature, ecological view of nature. | general_qa | 188 |
The following is a multiple choice question (with answers).
===Question
In the later period of the Zhenguan poetry era, the poetic style represented by Shangguan Yi was called what?
===Choices
Dynasty Rhyme
Tang Elegance
Yi Metrics
nternal server error
Celestial Poetics
Shangguan Style
Imperial Verse
Zhenguan Classici... | Shangguan Style | general_qa | 91 |
The following is a multiple choice question (with answers).
===Question
What section do gear toys and puzzles belong to?
===Choices
Block area
Outdoor play area
Reading nook
Science area
Woodworking area
Construction zone
Dramatic play area
Art area
Sensory play area
Operation area | Operation area | general_qa | 65 |
The following is a multiple choice question (with answers).
===Question
Identify which of the following groups are in genetic equilibrium:
(1) 100% AA
(2) 100% Aa
(3) 1% AA, 98% Aa, 1% aa
(4) 32% AA, 64% Aa, 4% aa
(5) 4% AA, 32% Aa, 64% aa
===Choices
(1) and (3)
(2), (4), and (5)
(1) and (5)
(2) and (4)
(1), (3), and ... | (1) and (5) | general_qa | 191 |
The following is a multiple choice question (with answers).
===Question
Assuming that the two moons are in circular orbits, determine the orbital radii of Phobos and Deimos. Express your answers in units of the radius of Mars.
===Choices
$$
2. 7 5 \; R_{\mathrm{M a r s}}
$$
$$
6. 8 9 \ R_{\mathrm{M a r s}}.
$$
$$
3. 0... | $$
2. 7 5 \; R_{\mathrm{M a r s}}
$$
$$
6. 8 9 \ R_{\mathrm{M a r s}}.
$$ | general_qa | 491 |
The following is a multiple choice question (with answers).
===Question
Find the absolute pressure at a depth of $5$ m below the surface of a liquid of relative density 0.85. The barometer reading on the surface is 750 mm of mercury.
===Choices
$$
1 4 5. 0 0 8 \ \mathrm{k P a}
$$
$$
1 3 3. 6 7 4 \ \mathrm{k P a}
$$
$$... | $$
1 4 1. 4 6 6 \ \mathrm{k P a}
$$ | general_qa | 289 |
The following is a multiple choice question (with answers).
===Question
Which of the following statements about oil-based substrates is incorrect ( ).
===Choices
Silicone can be combined with other oil-based matrices to make protective ointments
Beeswax is used to increase the water content in ointments
Stearic acid i... | Lanolin forms an O/W emulsion after absorbing water | general_qa | 158 |
The following is a multiple choice question (with answers).
===Question
The following six sentences are divided into four groups. Which group completely shows combat capabilities?
①俄加金城郡太守
②吐蕃有衅,唯倚思礼耳
③密劝翰表诛杨国忠
④杀守者干人,进攻苑门
⑤收东京,战数有功
⑥惟李光弼,思礼完军还
===Choices
②, ③, ⑥
④, ⑤, ⑥
①, ②, ③
①, ②, ⑤
②, ⑤, ⑥
①, ④, ⑤
③, ④, ⑥
③, ⑤, ⑥... | ②, ⑤, ⑥ | general_qa | 212 |
The following is a multiple choice question (with answers).
===Question
In an adiabatic container, there is 1.0 kg of $\mathrm{H}_{2} \mathrm{O} ( \ell )$ at 298 K. Now, 0.15 kg of ice is added. Calculate the entropy change of this process. It is known that the heat of fusion for $\mathrm{H}_{2} \mathrm{O ( \ s )}$ is ... | $$
6. 7 \mathrm{~ J \cdot~ K^{-1} ~}
$$ | general_qa | 390 |
The following is a multiple choice question (with answers).
===Question
What is the Stokes effect?
===Choices
When atoms ascend from a lower vibrational energy level to a peak electronic energy state, the emitted light energy surpasses the absorbed light, known as the Stokes effect.
When electrons rise from a foundati... | If molecules return from a virtual energy state to a higher vibrational energy level in the electron energy ground state, then the scattered light energy is less than the incident light energy, known as the Stokes effect. | general_qa | 376 |
The following is a multiple choice question (with answers).
===Question
Two circular coils made up of identical wires of length 40 cm have respectively 18 and 9 turns and the current flowing through the second coil is 4 times the current through the first coil. The ratio of magnetic induction at their centres is :
===... | 1:2 | general_qa | 108 |
The following is a multiple choice question (with answers).
===Question
Denote by $\mathbb{Z}^2$ the set of all points $(x,y)$ in the plane with integer coordinates. For each integer $n \geq 0$, let $P_n$ be the subset of $\mathbb{Z}^2$ consisting of the point $(0,0)$ together with all points $(x,y)$ such that $x^2 + y... | 5n + 1 | general_qa | 206 |
The following is a multiple choice question (with answers).
===Question
What are the general principles that should be followed for airflow distribution in ventilation systems?
===Choices
Segmented Flow Principle
Cross Flow Principle
Suction Principle
Layered Principle
Direct Flow Principle
Vacuum Flow Principle
Balan... | Layered Principle | general_qa | 74 |
The following is a multiple choice question (with answers).
===Question
The laser resonator is composed of a convex mirror with a radius of curvature of 1 meter and a concave mirror with a radius of curvature of 2 meters, and the active medium is 0.5 meters long with a refractive index of 1.52. Determine the range with... | (1.17,2.17) | general_qa | 190 |
The following is a multiple choice question (with answers).
===Question
What is the preferred method of relieving urinary retention in a patient who is male, 54 years old, suffering from benign prostatic hyperplasia with progressive dysuria for more than 2 years?
===Choices
Systematic urethral dilation
Continuous blad... | Indwelling catheterization | general_qa | 119 |
The following is a multiple choice question (with answers).
===Question
What mode is suitable for physical education teaching for middle school and above students who have complex sports skills, fewer students, more teaching hours, and a certain foundation of sports skills?
===Choices
Small Group Physical Education Te... | Traditional sports skills mastery model of physical education teaching | general_qa | 142 |
The following is a multiple choice question (with answers).
===Question
The role of the bulwark is (to pick all the correct options) :(1) to avoid waves on the deck; (2) Prevent deck items from rolling into the water; (3) Improve the total longitudinal strength: (4) Ensure the safety of personnel
===Choices
(1)(2)(4)
... | (2)(4) | general_qa | 141 |
The following is a multiple choice question (with answers).
===Question
Let $E / F$ be a field extension. Let $A$ be an $m\times m$ matrix with entries in $E$ such that $\operatorname{t r} ( A )$ belongs to $F$ for every $n \geq2$ . What is $\operatorname{t r} ( A ^n)$ ?
===Choices
$$
\sum_{i} m_{i} t_{i}^{n}
$$
$$ \s... | $$
\sum_{i} m_{i} t_{i}^{n}
$$ | general_qa | 279 |
The following is a multiple choice question (with answers).
===Question
The shared variable definitions and initial values for process $\mathbf{P}_{0}$ and process $\mathbf{P}_{1}$ are: boolean flag[2]; int turn = 0; flag[0] = false; flag[1] = false;
If process $\mathbf{P}_{0}$ and process $\mathbf{P}_{1}$ access the c... | Ensures that processes enter the critical section mutually exclusively, preventing the occurrence of "starvation" phenomena. | general_qa | 425 |
The following is a multiple choice question (with answers).
===Question
Consider the reaction :
$
\mathrm{C}l_{2}(\mathrm{a}\mathrm{q})+\mathrm{H}_{2}\mathrm{S}(\mathrm{a}\mathrm{q})\rightarrow \mathrm{S}(\mathrm{s})+2\mathrm{H}^{+}(\mathrm{a}\mathrm{q})+2\mathrm{C}l^{-}(\mathrm{a}\mathrm{q})
$
The rate equation for th... | A only | general_qa | 381 |
The following is a multiple choice question (with answers).
===Question
On which album does the Relient K song "May the Horse Be with You" appear?
===Choices
"Three Rights Don't Make a Wrong... But Four Do"
"The Anatomy of the Tongue in Cheek"
"Five Score and Seven Years Ago"
"Three Rights Don't Make a Wrong... But Si... | "The Anatomy of the Tongue in Cheek" | general_qa | 151 |
The following is a multiple choice question (with answers).
===Question
Find a "reasonable" upper-bound on the error in approximating $f(x) = (x-1) \cdot \ln(x-1)$ by its 3rd order Taylor polynomial $P_{3}(x)$ about $a=2$ valid for all values of $x$ such that $|x-2| \le 0.3$.
===Choices
0.003662040962236937
0.00366204... | 0.0036620409622369353 | general_qa | 307 |
The following is a multiple choice question (with answers).
===Question
In the Richter Magnitude Scale, how much larger is the maximum amplitude of the seismic waves generated by a magnitude 6 earthquake than a magnitude 4 earthquake?
===Choices
50 times larger
10 times larger
25 times larger
100 times larger
20 times... | 100 times larger | general_qa | 107 |
The following is a multiple choice question (with answers).
===Question
The total non-overlapping leaves of two neighboring nodes are called ( ).
===Choices
Leaf gathering
Leaf cluster
Leaf overlap
Leaf mosaic
Leaf collection
Leaf assembly
Leaf combination
Leaf arrangement
Leaf configuration
Leaf accumulation | Leaf mosaic | general_qa | 60 |
The following is a multiple choice question (with answers).
===Question
We now define an algorithm: The definition of a(n) is: Let n be a positive integer. For each prime divisor p of n, consider the highest power of p which does not exceed n. The sum a(n) of these powers is defined as the power-sum of n. For example, ... | [59, 84, 61, 63, 76, 64, 38, 102, 67, 81] | general_qa | 625 |
The following is a multiple choice question (with answers).
===Question
How does the output response change as the crossover frequency of the inertial link increases?
===Choices
It fluctuates gently.
It varies unpredictably.
It lowers gradually.
It remains mostly steady.
It decreases rapidly.
It hovers consistently.
I... | It increases faster. | general_qa | 80 |
The following is a multiple choice question (with answers).
===Question
() is a market in which the forces of buyers and sellers in the transportation market are equal and in a state of equilibrium, which is a relatively perfect market state.
===Choices
Transit stability marketplace
Transit balance marketplace
Transit... | Transport balance market | general_qa | 93 |
The following is a multiple choice question (with answers).
===Question
What amount of fluid is indicated by a positive "patellar ballottement test"?
===Choices
No detectable amount of fluid
A moderate amount of fluid
A minimal amount of fluid
A trace amount of fluid
A negligible amount of fluid
A small amount of flui... | A large amount of fluid | general_qa | 93 |
The following is a multiple choice question (with answers).
===Question
Let Pb be an Einstein crystal with a vibrational frequency $\nu = 1.9 \times 10^{12} \mathrm{s}^{-1}$. What are the molar vibrational energy (with the zero-point energy at the bottom of the potential energy curve) and the molar heat capacity $C_{V,... | $$
7 6 2 3 \; \mathrm{J} \cdot\mathrm{m o l}^{-1}
$$
$$
2 4. 7 6 \; \mathrm{J} \cdot\mathrm{K}^{-1} \cdot\mathrm{m o l}^{-1}
$$ | general_qa | 812 |
The following is a multiple choice question (with answers).
===Question
Find $x^2-yz$ if $x,y,z$ are distinct positive integers such that $y^2-zx=-103$ and $z^2-xy=22$
===Choices
173
172
162
178
167
163
182
187
152
177 | 172 | general_qa | 98 |
The following is a multiple choice question (with answers).
===Question
The standard reduction potential for the half-cell reaction, $Cl_2+2e^-\rightarrow 2Cl^-$ will be:
$Pt^{2+}+2Cl^-\rightarrow Pt+Cl_2, E^o_{cell}=-0.15$V;
$Pt^{2+}+2e^-\rightarrow Pt, E^o=1.20$V
===Choices
+1.15 V
$-1.05$V
$+1.35$V
+1.40 V
+1.45V
$... | $+1.35$V | general_qa | 181 |
The following is a multiple choice question (with answers).
===Question
A particle of mass $m$ describes circular path of radius $r$ such that its kinetic energy is given by $K=as^2$ $s$ is the distance travelled $a$ is constant:
(a) Power developed at distance $s$ is proportional to $s^2$
(b) Tangential acceleration ... | $$b,d$$ | general_qa | 160 |
The following is a multiple choice question (with answers).
===Question
What year was the municipality of Chivor, Boyacá, Colombia, founded?
===Choices
1931
1927
1928
1933
1935
1934
1930
1929
1936
1932 | 1930 | general_qa | 83 |
The following is a multiple choice question (with answers).
===Question
The known characteristic value of matrix $A=\left( \begin{matrix} {{7}} & {{4}} & {{z}} \\ {{4}} & {{7}} & {{-1}} \\ {{-4}} & {{-4}} & {{4}} \\ \end{matrix} \right)$ is $\lambda_ {{} _ {1, 2}} = 3, \lambda_ {{} _ {3}} = 1, 2$. So what is the value ... | $$
z=-1
$$ | general_qa | 202 |
The following is a multiple choice question (with answers).
===Question
Which type of fluid typically has a smaller apparent viscosity compared to its true viscosity?
===Choices
Pseudoplastic fluid.
Non-Newtonian fluid.
Bingham plastic.
Supercritical fluid.
Ideal gas.
Dilatant fluid.
Thixotropic fluid.
Viscous liquid.... | Pseudoplastic fluid. | general_qa | 82 |
The following is a multiple choice question (with answers).
===Question
Nagel claims that most skeptical arguments:
===Choices
grow from the consistent application of ordinary standards.
are based on linguistic confusions.
result from misinterpretation of philosophical concepts.
are logically self-refuting.
are rooted... | grow from the consistent application of ordinary standards. | general_qa | 105 |
The following is a multiple choice question (with answers).
===Question
Which of the following is the preferred mode of contraception recommended during lactation:
===Choices
Progesterone only pills
Low-dose progesterone with progestin pills
Low-dose estrogen pills
IUCD
Low-dose progesterone with estrogen pills
DMPA w... | Progesterone only pills | general_qa | 102 |
The following is a multiple choice question (with answers).
===Question
$\log { \cfrac { { K }_{ C } }{ { K }_{ P } } } +\log { RT } =0$ is the relationship for the following gaseous phase reaction:
===Choices
$$2{SO}_{2}+2{O}_{2} \rightleftharpoons 2{SO}_{3}$$
$$2{SO}_{2}+2{O}_{2} \rightleftharpoons 4{SO}_{3}$$
$${N... | $$2{SO}_{2}+{O}_{2}\rightleftharpoons 2{SO}_{3}$$ | general_qa | 278 |
The following is a multiple choice question (with answers).
===Question
The correct statement about cell membrane ion channels is ( ).
===Choices
The action potential is depolarized and the K-ion channel is activated, but it also appears to be slower
The cellular exchange halts when the Cl-ion channel is inactive, red... | The action potential is depolarized and the K-ion channel is activated, but it also appears to be slower | general_qa | 215 |
The following is a multiple choice question (with answers).
===Question
What is the basic process of auditory information conversion and transmission?
===Choices
The linked reaction of auditory impulses flows from the ossicular chain to the oval window, proceeding to the cochlear duct.
Auditory information is carried ... | The vibration energy of sound signal is transmitted through the stapedial sole-ovular window through the epymphatic and then to the whole auriculare cochlear system. The vibration is propagated from the base to the top along the basement membrane in a travelling wave mode. | general_qa | 276 |
The following is a multiple choice question (with answers).
===Question
10 mL of $\frac{M}{5}CH_3COONa$ solution is titrated with $\frac{M}{5} HCl$ solution. The pH value at equivalence point is $(pK_a(CH_3COOH) = 4.76)$
===Choices
3.76
1.88
2.76
0.7
1.76
2.46
4.76
3.88
1
2.88 | 0.7 | general_qa | 122 |
The following is a multiple choice question (with answers).
===Question
Select the rate law that corresponds to the data shown for the following reaction:$A+B\rightarrow C$Expt No.$[A]_0 mole L^{-1}$$[B]_0 mole L^{-1}$Initital rate1.0.0120.0350.102.0.0240.0700.803.0.0240.0350.104.0.0120.0700.80
===Choices
The rate law... | The order with respect to [A] is zero. | general_qa | 273 |
The following is a multiple choice question (with answers).
===Question
Which Finnish anthropologist proposed the Westermarck effect?
===Choices
Eduard Westermarck
Emil Westermarck
Erich Westermarck
Edgar Westermarck
Evert Westermarck
Edwin Westermarck
Edvard Westermarck
Erik Westermarck
Edvard Westermark
Edward Weste... | Edvard Westermarck | general_qa | 97 |
The following is a multiple choice question (with answers).
===Question
In what year was the beetle species Conalia helva described?
===Choices
1866
1860
1862
1867
1865
1864
1861
1863
1869
1868 | 1862 | general_qa | 79 |
The following is a multiple choice question (with answers).
===Question
The oil with a viscosity of $0.0008 \, \mathrm{lb \cdot sec/ft^2}$ (specific gravity $s=0.90$) flows at a rate of $2.0 \, \mathrm{ft^3/sec}$ through a pipe with a diameter of 6 inches and a length of 200 feet. Its friction head loss is $25 \, \math... | $$
1 2. 8 5 {\mathrm{ft}} / \mathrm{s e c}
$$ | general_qa | 372 |
The following is a multiple choice question (with answers).
===Question
The monovalent four-angle structure within the metal features open orbit connections relative to the Brillouin zone boundary. The opposing interface distance is $\mathbf{G}=2 \times 10^{8} \mathrm{cm}^{-1}$. The magnetic field $B=10^{3} \mathrm{gau... | $$
1. 3 1 \times1 0^{-1 0} (sec)
$$ | general_qa | 367 |
The following is a multiple choice question (with answers).
===Question
Rainbow Corporation has outstanding 1,000 shares of voting common stock and 1,000 shares of nonvoting preferred. The preferred has a liquidation preference equal to its par value of $100 per share plus a 3 percent noncumulative dividend. Rainbow su... | The proposal is invalidly approved because a majority of the preferred shareholders did not approve. | general_qa | 313 |
The following is a multiple choice question (with answers).
===Question
The size of the droplets in the sky varies, and in motion, what is the trend of these droplets' changes?
===Choices
Large droplets break up, small droplets coalesce.
Large droplets grow larger, small droplets shrink.
Larger droplets split into uni... | Large droplets grow larger, small droplets shrink. | general_qa | 161 |
The following is a multiple choice question (with answers).
===Question
A 250V DC motor with a power rating of 5kW is powered by a three-phase bridge fully controlled rectifier circuit. The armature resistance is $R_{a}=5 \Omega$, the inductance $L_{\mathrm{B}}=1 \, \mathrm{mH}$, and the firing angle $\alpha=60^{\circ}... | $$
U_{2}=2 1 8. 8 \mathrm{V}
$$
$$
E=1 5 0 \mathrm{V}
$$ | general_qa | 494 |
The following is a multiple choice question (with answers).
===Question
In maternal and child welfare program the sampling is done by which method?
===Choices
Cluster-15
Cluster-28
Systematic
Group
Cluster-35
Cluster-20
Cluster-25
Stratified
Cluster-32
Cluster-30 | Cluster-30 | general_qa | 74 |
The following is a multiple choice question (with answers).
===Question
In what year was the minor planet 3586 Vasnetsov discovered?
===Choices
1973
1979
1974
1975
1986
1988
1976
1978
1987
1977 | 1978 | general_qa | 83 |
The following is a multiple choice question (with answers).
===Question
Drugs that do not have biological activity themselves and require metabolic activation in the body to become active are ____.
===Choices
Vitamin B12
Vitamin C
Vitamin B6
Vitamin B1
Vitamin D3
Vitamin A
Vitamin E
Vitamin B2
Vitamin K3
Vitamin K1 | Vitamin D3 | general_qa | 86 |
The following is a multiple choice question (with answers).
===Question
The upper end of the string of a conical pendulum is fixed to a vertical z-axis, and set in motion such that the bob moves along a horizontal circular path of radius $2$m, parallel to the x-y plane, $5$m above the origin. The bob has a speed of $3$... | $$x=2m$$ | general_qa | 196 |
The following is a multiple choice question (with answers).
===Question
Which type of health risk is particularly associated with combat-related trauma?
===Choices
Endocrine disorders
Respiratory syndromes
Ocular impairments
Gastrointestinal diseases
Musculoskeletal injuries
Renal dysfunctions
Vascular abnormalities
N... | Musculoskeletal injuries | general_qa | 79 |
The following is a multiple choice question (with answers).
===Question
The structure of the naked virion is ().
===Choices
Major Ten Frameworks
Core Ten Items
Fundamental Ten Units
Essential Ten Parts
Principal Ten Sections
Main Ten Components
Key Ten Pieces
Basic Ten Elements
Primary Ten Portions
Central Ten Segment... | Core Ten Items | general_qa | 70 |
The following is a multiple choice question (with answers).
===Question
The general solution of the equation $y''+y= sin 2 x$ is
===Choices
$y= C_1 sin x + C_2 cos x - \frac{cos 2x}{4}$
$y= C_1 x sin x + C_2 cos x - frac{x cos 2x}{2}$
$y= C_1 sin x + C_2 cos x + frac{x cos 2x}{2}$
$y= C_1 sin x + C_2 cos x - \frac{sin... | $y= C_1 sin x + C_2 cos x - frac{sin 2x}{3}$ | general_qa | 292 |
The following is a multiple choice question (with answers).
===Question
Adding chromium to stainless steel can result in a single-phase matrix structure. When the chromium content is greater than what percentage and the carbon content is low, can single-phase ferritic stainless steel be obtained?
===Choices
25.7%
27%
... | 12.7% | general_qa | 97 |
The following is a multiple choice question (with answers).
===Question
Calculate the average density of a red-giant core of 0.25 solar mass and radius 15,000 km.
===Choices
$$
2. 8 \times1 0^{7} \, \frac{k g} {m^{3}}
$$
$$
1. 5 \times1 0^{7} \, \frac{k g} {m^{3}}
$$
$$
6. 2 \times1 0^{6} \, \frac{k g} {m^{3}}
$$
$$
8... | $$
3. 5 \times1 0^{7} \, \frac{k g} {m^{3}}
$$ | general_qa | 325 |
The following is a multiple choice question (with answers).
===Question
Estimate the pH of a solution of 0.50 M HCl(aq). The mean activity coefficient at this concentration is 0.769. What is a more reliable value of the pH?
===Choices
$$
9. 5 4
$$
$$
{9. 7 6}
$$
$$
8. 1 1
$$
$$
{8. 3 8}
$$
$$
6. 9 0
$$
$$
{6. 1 2}
$$
... | $$
0. 3 0
$$
$$
{0. 4 2}
$$ | general_qa | 290 |
The following is a multiple choice question (with answers).
===Question
The amount of $(NH_{4})_{2}SO_{4}$ having degree of dissocation 75% which should be dissolved in 1500 ml of 1 M $NH_{4}OH$ to decrease its degree of dissociation by 200 times, is [$k_{b}$ of $NH_{4}OH$ = $1.8$ $\times10^{-5}$]:
===Choices
112.1gm
... | 112.1gm | general_qa | 156 |
The following is a multiple choice question (with answers).
===Question
A parallel plate capacitor having plates of area $S$ and plate separation $d$, has capacitance ${C}_{1}$ in air. When two dielectrics of different relative permittivities (${ \epsilon }_{ 1 }=1$ and ${ \epsilon }_{ 2 }=4$) are introduced between th... | $$7/3$$ | general_qa | 183 |
The following is a multiple choice question (with answers).
===Question
Best method for disposal of refuse where land is available
===Choices
Burial
Controlled tipping
Open dumping
Uncontrolled tipping
Sanitary burial
Sanitary landfill
Dumping
Manure pit
Uncontrolled dumping | Controlled tipping | general_qa | 60 |
The following is a multiple choice question (with answers).
===Question
Oil of viscosity 0.2248lbm/ft-sec. is pumped through a horizontalpipe of 4-in. inside diameter. If there is a pressure dropof 24,000lbf/ft^2 per mile of flow, calculate the average velocityof flow and the power necessary to maintain the oil flow. A... | Average velocity of flow: 2.26 ft/s, Power consumed: 8.61 hp/mile, Velocity at 3/2 in. from center: 1.98 ft/s, Shear stress at 3/2 in. from center: 0.284 lb/ft^2 | general_qa | 761 |
The following is a multiple choice question (with answers).
===Question
When did Mao Zedong's military thought fully mature?
===Choices
The Great Leap Forward
The Chinese Civil War
The Korean War
The Liberation War period
The Second Sino-Japanese War
The establishment of the People's Republic of China
The Anti-Rightis... | The Liberation War period | general_qa | 87 |
The following is a multiple choice question (with answers).
===Question
When a certain atom is in the quintet state $^{5}F$, the total magnetic moment is 0. What is its total angular momentum quantum number?
===Choices
3
5/2
0
4
6
7/2
3/2
1/2
1
2 | 1 | general_qa | 77 |
The following is a multiple choice question (with answers).
===Question
When the Ministry of Finance issues government bonds for bidding, if the total bidding volume is greater than the bidding volume, which of the following principles should be followed to invest in each bid until the bidding amount is fully raised?
... | Low Interest Rates Preferred | general_qa | 112 |
The following is a multiple choice question (with answers).
===Question
The "Eastern Conference" held in Japan from June 27 to July 7, 1927, Who hosted it?
===Choices
Giichi Tanaka
Makoto Saito
Nobusuke Kishi
Terauchi Masatake
Shigeru Yoshida
Tetsu Katayama
Kijyuro Shidehara
Eisaku Sato
Fumimaro Konoe
Hiranuma Kiichir... | Giichi Tanaka | general_qa | 112 |
The following is a multiple choice question (with answers).
===Question
The period when indoor pressure reaches its peak throughout the entire cardiac cycle is ( ).
===Choices
Rapid filling period
House cycle period
Delayed contraction phase
Rapid ejection period
Active filling period
Pressure development phase
Passiv... | Rapid ejection period | general_qa | 81 |
The following is a multiple choice question (with answers).
===Question
The relative inherent error of the environmental monitoring $\mathrm{X}$ and $\gamma$ radiation air kerma (absorbed dose) rate instrument does not exceed
===Choices
±30%
±20%
±55%
±50%
±5%
±35%
±25%
±40%
±10%
±15% | ±15% | general_qa | 89 |
The following is a multiple choice question (with answers).
===Question
Which of the following statements about the open-loop frequency response curve of a Type Zero system on the complex plane is correct?
===Choices
It starts at a point on the imaginary axis and ends at another point on the real axis.
It emerges from... | It starts at a point on the real axis and ends at another point on the real axis. | general_qa | 222 |
The following is a multiple choice question (with answers).
===Question
The main obligations of employees specified in labor contracts include ( ).I. Obligation to pay labor compensationII. Obligation to protect rightsIII. Ancillary obligationsIV. Duty of loyaltyV. Obligation to provide labor protection
===Choices
I,I... | I,II,III | general_qa | 108 |
The following is a multiple choice question (with answers).
===Question
If co-ordinates of a moving point at time t are given by $x=a(t+\sin t)$, and $y=a(1-\cos t)$, then:
===Choices
The slope of velocity-time graph is constant
All the above
The direction of motion makes an angle $t/6$ with x-axis
The direction of mo... | All the above | general_qa | 189 |
The following is a multiple choice question (with answers).
===Question
Two litre solution of buffer mixture containing $1.0$ M $NaH_2PO_4$ and $1.0$ M $Na_2HPO_4$ is placed in two compartments (1 L in each) of an electrolytic cell. The platinum electrodes are inserted in each compartment and 1.25 A current is passed f... | Cathode: 3.00 | general_qa | 255 |
The following is a multiple choice question (with answers).
===Question
A certain computer system uses byte-addressable memory and employs a two-level page table memory management scheme. The format of the virtual address is as follows:
$$10\text{ bits} \quad\quad 10\text{ bits} \quad\quad 12\text{ bits}$$
$$\text{Page... | One | general_qa | 205 |
The following is a multiple choice question (with answers).
===Question
A remote -sensing satellite of earth revolves in a circular orbit at a height of $ 0.25 \times 10^6 $ m above the surface of earth. if earth's radius is $ 0.25 \times 10^6 $ m above the surface of earth. if earth's radius is $ 6.38 \times 10^6 m $ ... | $$6.67 km/s$$ | general_qa | 192 |
The following is a multiple choice question (with answers).
===Question
Among the following product categories, which one may have the attribute safety warning?
===Choices
garbage bin
radio
hair dye
hair straightener
thermometer
hair removal agent | hair removal agent | general_qa | 52 |
The following is a multiple choice question (with answers).
===Question
A double conical pendulum consists of two masses $m$ and $M$, connected by a massless string passing over a frictionless, massless pulley. The entire apparatus rotates freely at constant angular speed $\omega (rad/s)$ about the vertical axis (dashe... | $$\cos\phi=\dfrac{g}{\omega^{2}l}$$ | general_qa | 267 |
The following is a multiple choice question (with answers).
===Question
Art's ability to effect social change is due to its ().
===Choices
Aesthetic appeal
Commercial value
Artistic exclusivity
Universal nature
Historical inspiration
Emotional symbolism
Cultural impact
Psychological effects
Fashionable trends
Economic... | Cultural impact | general_qa | 68 |
The following is a multiple choice question (with answers).
===Question
What is the critical radius of the hotspot for RDX at ignition temperatures of \(300^\circ \text{C}\) and \(500^\circ \text{C}\). Given the parameters for RDX: \(\rho = 1.8 \, \text{g/cm}^3\), \(c = 2.1 \, \text{J/g·K}\), \(Q = 2093 \, \text{J/g}\)... | The critical radius is \(r_c = 0.00587 \, \text{cm}\) at \(300^\circ \text{C}\), \(r_c = 0.0106 \, \text{cm}\) at \(500^\circ \text{C}\). | general_qa | 881 |
The following is a multiple choice question (with answers).
===Question
Mr. Louis is presently considering buying a new boat to give rides to tourists. He has two alternatives: Boat A costs $10,000 and consumes $2,000 in fuel per year. Boat B costs $7,000 and consumes $2,500. Both boats have a zero salvage value at the... | Boat A, $8.96 per passenger | general_qa | 264 |
The following is a multiple choice question (with answers).
===Question
Who is the architect who won the 2004 Pritzker Architecture Prize and was the first woman to receive this award?
===Choices
Maya Lin
Denise Scott Brown
Rem Koolhaas
Zaha Hadid | Zaha Hadid | general_qa | 63 |
The following is a multiple choice question (with answers).
===Question
During what year did Pipilotti Rist receive the Premio 2000 prize?
===Choices
1992
1999
1998
1995
1997
1991
1993
1996
1994
1990 | 1997 | general_qa | 86 |
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