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
The meaning of "b" in basic reserves 111b, 121b and 122b is what?
===Choices
Recoverable reserves without deducting design and mining losses
Essential recoverable reserves within mining parameters
Economic basic reserves post design considerations... | Recoverable reserves without deducting design and mining losses | general_qa | 139 |
The following is a multiple choice question (with answers).
===Question
What is the equivalent diameter of a fluid flowing in a rectangular pipe with a height of $2*3m$?
===Choices
3.6m
3.2m
4.0m
1.5m
2.0m
2.4m
1.8m
3.0m
2.5m
2.7m | 2.4m | general_qa | 90 |
The following is a multiple choice question (with answers).
===Question
A block of mass $2kg$ and sp gravity $\cfrac{5}{2}$ is attached with a spring constant $K=100N/m$ and is half dipped in the water. If extension in the spring is $1cm$. The force exerted by the bottom of the tank on block is $(g=10m/{s}^{2}$)
===Ch... | $$20N$$ | general_qa | 142 |
The following is a multiple choice question (with answers).
===Question
A car of mass $1000\ kg$ moving on a circular track of radius $100\ m$ with increase in speed at a rate of $8\ m/s^{2}$, if at an instant its speed is $30\ m/s$ then the acceleration of the car is (at this instant only)
===Choices
$$<12$$
$$( <10 ... | $$=12$$ | general_qa | 148 |
The following is a multiple choice question (with answers).
===Question
For the reaction in euilibrium :$2NOBr(g)$$\rightleftharpoons$$2NO(g)+Br_{2}(g)$ if $P_{br2}$=p/9 at equilibrium and Pis the total pressure.The ratio $K_{p}/P$ is equal to-
===Choices
$$\frac{1}{9}$$
$$\frac{1}{45}$$
$$\frac{1}{81}$$
$$\frac{1}{36... | $$\frac{1}{9}$$ | general_qa | 187 |
The following is a multiple choice question (with answers).
===Question
The atomic weights of $N a$ and $C l$ are 23 and 37 respectively. The side length of the sodium chloride cubic unit cell is 0. 5 6 nm and can be set as a set of parallel ion chains in the [100] direction. Ion concentration $d=0. 28nm$. The Young's ... | $54.6 \mu m$ | general_qa | 268 |
The following is a multiple choice question (with answers).
===Question
In a region of uniform magnetic induction $B = 10 ^ { 2 } T ,$ a circular coil of radius $30\mathrm { cm }$ and resistance $\pi ^ { 2 } ohm$ is rotated about an axis which is perpendicular to the direction of $\mathrm { B }$ and which forms... | $$6\mathrm { m }A$$ | general_qa | 242 |
The following is a multiple choice question (with answers).
===Question
What is the oldest surviving wooden pavilion building in China?
===Choices
Beijing Summer Palace Tower of Buddhist Incense
Nanjing Yangtze River Bridge Pavilion
Luoyang White Horse Temple Lotus Pavilion
Chengde Puning Temple Daxian Pavilion
Xi'an ... | Tianjin Jixian Dule Temple Guanyin Pavilion | general_qa | 132 |
The following is a multiple choice question (with answers).
===Question
${ CaF }_{ 2 }$ dissolved in 0.5 M solution of ${ CaCl }_{ 2 }$ and water. How many times is solubility in the second solution of $Ca^{2+}$ greater than in the first? Given: $K_{ sp }\left( { CaF }_{ 2 } \right) =3.2\times { 10 }^{ -11 }$
===Choic... | 20 times | general_qa | 154 |
The following is a multiple choice question (with answers).
===Question
In an isothermal batch reactor, a liquid-phase reaction takes place:
$$
A \xrightarrow{k_1} P \overset{k_2}{\underset{k_3}{\rightleftharpoons}} R
$$
The rate equations for the reaction are as follows:
$$
-\frac{\mathrm{d}c_A}{\mathrm{d}t} = k_1 c_A... | 0.608 | general_qa | 340 |
The following is a multiple choice question (with answers).
===Question
What quality makes art universally recognizable?
===Choices
Color
Essence
Style
Emotion
Genre
Purpose
Balance
Technique
Pattern
Layout | Style | general_qa | 46 |
The following is a multiple choice question (with answers).
===Question
Which mathematical method is often used in military operations research for optimization problems?
===Choices
Sequential quadratic programming
Fractional calculus
Statistical analysis
Simple regression
Singular value decomposition
Bayesian inferen... | Non-linear programming | general_qa | 72 |
The following is a multiple choice question (with answers).
===Question
Evaluate $L=\lim_{P(x,y) \to P\left(1,\frac{ 1 }{ 2 }\right)}\left(f(x,y)\right)$ given $f(x,y) = \frac{ x^2 - 2 \cdot x^3 \cdot y - 2 \cdot x \cdot y^3 + y^2 }{ 1 + x + y - 2 \cdot x \cdot y - 2 \cdot x^2 \cdot y - 2 \cdot x \cdot y^2 }$.
===Choi... | 0.5 | general_qa | 195 |
The following is a multiple choice question (with answers).
===Question
A toothpaste containing flouride in form of sodium mono fluoroortho phosphate ${Na}_{3}P{O}_{4}F$ has $0.754$ g sodium in $100$ mL solution. Which of the following are correct for the given observation?
===Choices
Mole of ${Na}_{3}P{O}_{4}F$ = 2 m... | Mole of ${Na}_{3}P{O}_{4}F$ = mole of F =mole of P | general_qa | 301 |
The following is a multiple choice question (with answers).
===Question
The measured voltages between the three electrodes of a certain transistor are $U_{\mathrm{B E}} = -0.2 \, \mathrm{V}$, $U_{\mathrm{C E}} = -5 \, \mathrm{V}$, $U_{\mathrm{B C}} = 4.8 \, \mathrm{V}$, then the type of this transistor is ( ).
===Choi... | PNP germanium transistor | general_qa | 164 |
The following is a multiple choice question (with answers).
===Question
Complete control of single phase bridge, back emf inductance load,$R=1 \, \Omega, \, L=\infty, \, E=40 \, V,$ $U_{2}=100 \, \mathrm{V}, L_{B}=0.5 \, \mathrm{mH}$, what are the values of $I_{d}$ and $\gamma$ when $\alpha=60^\circ$.
===Choices
$$
I_... | $$
I_{\mathrm{d}}=4. 5 5 \mathrm{~ A}
$$
$$
\gamma=1. 3 3^{\circ}
$$ | general_qa | 521 |
The following is a multiple choice question (with answers).
===Question
If an electron is confined within the dimensions of a nucleus, its momentum uncertainty is ().
===Choices
$2~ \mathrm{MeV/c}$
$200~ \mathrm{MeV/c}$
$0.2~ \mathrm{keV/c}$
$20~ \mathrm{MeV/c}$
$2~ \mathrm{eV/c}$
$0. 2 ~\mathrm{eV/c}$
$0.02~ \mathrm{... | $200~ \mathrm{MeV/c}$ | general_qa | 161 |
The following is a multiple choice question (with answers).
===Question
A factory has installed a cast iron water supply pipe that is 500 meters long with a diameter of 200 millimeters and a flow rate of 100 liters per second. The water source is a well 5 meters deep; the inlet is equipped with a water filter screen (ζ... | 53.3m | general_qa | 216 |
The following is a multiple choice question (with answers).
===Question
A mass m starting from A reaches B of a frictionless track. On reaching B, it pushes the track with a force equal to x times its weight, then the applicable relation is :
===Choices
$$h = \dfrac{(5 + x)}{2}R$$
$$h = (\dfrac{x + 1}{2})R$$
$$h = \df... | $$h = \dfrac{(5 + x)}{2}R$$ | general_qa | 206 |
The following is a multiple choice question (with answers).
===Question
Two point charges $(+Q)$ and $(-2Q)$ are fixed on the X-axis at positions $a$ and $2a$ from origin respectively. At what positions on the axis, the resultant electric field is zero.
===Choices
Only $x=\dfrac{a}{3}$
$x=\dfrac{3a}{2}$ only
Only $x=-... | Only $x=-\sqrt 2 a$ | general_qa | 175 |
The following is a multiple choice question (with answers).
===Question
The group velocity is the speed of movement of the ___.
===Choices
random phase angles
fluctuating frequency peaks
shifting density zones
unstable wavelength loops
harmonious vibratory entities
periodic rotation segments
irregular motion particles... | constant amplitude points | general_qa | 78 |
The following is a multiple choice question (with answers).
===Question
What principle is the beneficiation method of polymetallic ore mainly based on?
===Choices
Chemical reaction
Acoustic resonance
Magnetic bonding
Physical separation
Electrolytic refinement
Thermal diffusion
Mechanical fracturing
Gravity separation... | Physical separation | general_qa | 72 |
The following is a multiple choice question (with answers).
===Question
To whom does the garment held by one of the angels in "The Baptism of Christ" by Andrea del Verrocchio and Leonardo da Vinci belong?
===Choices
The Virgin Mary
The disciple
John the Baptist
The angel
Jesus | Jesus | general_qa | 63 |
The following is a multiple choice question (with answers).
===Question
Which of the following statements are true concerning the standardised residuals (residuals divided by their respective conditional standard deviations) from an estimated GARCH model?
i) They are assumed to be normally distributed
ii) Their squares... | (i) and (iii) only | general_qa | 210 |
The following is a multiple choice question (with answers).
===Question
The inclination direction of the rock layer is consistent with that of the ground. When the inclination angle of the rock layer is smaller [larger] than the slope angle of the ground, the boundary between the rock layer and the contour line of the ... | The bending direction is consistent, but the curvature of the rock layer boundaries is greater than the curvature of the topographic contour lines. | general_qa | 273 |
The following is a multiple choice question (with answers).
===Question
How many major elements characterize groundwater dynamics?
===Choices
5
10
2
4
9
3
6
8
1
7 | 4 | general_qa | 45 |
The following is a multiple choice question (with answers).
===Question
Let the sum of all odd $n$ such that $\frac{1}{n}$ expressed in base $8$ is a repeating decimal with period $4$ be $S$ . Find the remainder when $S$ is divided by $1000$ .
===Choices
639
631
636
630
632
634
638
637
635
633 | 632 | general_qa | 111 |
The following is a multiple choice question (with answers).
===Question
What is the estimated the required bandwidth when there are 24 telephone voice channels, each with a signal bandwidth limited to between 0.3 and 3.4 kHz, an effective guard bandwidth of 0.9 kHz, using single-sideband modulation and frequency-divisi... | 96kHz | general_qa | 120 |
The following is a multiple choice question (with answers).
===Question
A small sphere of mass $1$ kg is rolling without slipping on a rough stationary base with liner speed v = $\sqrt{\dfrac{200}{7}}$m/s. It leaves the inclined plane at point C.
Find its linear speed at point C:-
===Choices
\sqrt{\dfrac{80}{7}} \text... | $\sqrt{\dfrac{100}{7}}$m/s | general_qa | 244 |
The following is a multiple choice question (with answers).
===Question
Which of the following methods is a non-labeled molecular interaction analysis method?
===Choices
Crystal Structure Analysis, Spectral Diffraction Technique, Thermal Desorption Spectrometry
Fluorescence Resonance Energy Transfer, Quantum Dot Imagi... | Surface Plasmon Resonance Analysis, Biofilm Interference Method, Isothermal Titration Calorimetry | general_qa | 201 |
The following is a multiple choice question (with answers).
===Question
In the practice of rotation between paddy and dry land, phosphate fertilization should ______.
===Choices
Promote Constant Paddy Production
Focus Solely on Wetland Farming
Be Increased in Dryland Areas Only
Encourage Exclusive Phosphate Applicatio... | Priority Given to Dryland Cultivation | general_qa | 117 |
The following is a multiple choice question (with answers).
===Question
A chain of mass M= '9kg' and length L='10m' initially rest on a horizontal frictionless surface. If it is slightly pushed down the horizontal surface due to which the chain start sliding down, then calculate closest value of the rate at which work ... | 300 W | general_qa | 151 |
The following is a multiple choice question (with answers).
===Question
There are precisely $N$ distinct non-constant polynomials $P(x)$ with nonnegative integer coefficients such that $P(10) = 2023$ . Find the remainder when $N$ is divided by $1000$ .
===Choices
753
746
748
754
752
751
749
747
750
745 | 748 | general_qa | 110 |
The following is a multiple choice question (with answers).
===Question
The stress-strain curve of low-carbon steel in a tensile test can generally be divided into four stages. Which option is correct?
===Choices
Elastic deformation stage, yielding stage, strengthening stage, necking stage
Elastic deformation stage, y... | Elastic deformation stage, yielding stage, strengthening stage, necking stage | general_qa | 196 |
The following is a multiple choice question (with answers).
===Question
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)?
===Choices
$$
5 0. 1 {\mathrm{~ w ... | $$
4 5. 9 {\mathrm{~ w t}} \%
$$ | general_qa | 258 |
The following is a multiple choice question (with answers).
===Question
What difficulties did the United States face compared to France during the first Industrial Revolution?
===Choices
There are many small and medium-sized enterprises and their management is scattered
There was constant war and political chaos
Lack ... | The unification of the internal market has not been completed | general_qa | 124 |
The following is a multiple choice question (with answers).
===Question
For two monomers, the reactivity ratios are $r_{1} \!=\! 2.0, r_{2} \!=\! 0.5$. If $f_{1}^{0}=0.5$, and the conversion rate $C=50\%$, what is the average composition of the copolymer?
===Choices
$0.52$
$0.80$
$0.68$
$0.48$
$0.75$
$0.70$
$0.55$
$0.... | $0.62$ | general_qa | 150 |
The following is a multiple choice question (with answers).
===Question
Which of the following is not a closely related key of D Shang Mode?
===Choices
F Jue mode
C Zhi mode
A Yu mode
G Gong mode | F Jue mode | general_qa | 50 |
The following is a multiple choice question (with answers).
===Question
An artist's virtuosity is best described as ().
===Choices
Dexterity and creativity
Flair and imagination
Genius and ingenuity
Control and artistry
Technique and talent
Competence and insight
Precision and aptitude
Mastery and proficiency
Skill an... | Skill and expertise | general_qa | 77 |
The following is a multiple choice question (with answers).
===Question
We now define an algorithm: The definition of a(n) is the unique attractor for the transformation that first applies the "RIGHT" shift operation followed by the "MÖBIUS" transform. Given the input x_list (a series of values): [49, 50, 51, 52, 53, 5... | [-142, -139, -168, -179, -209, -210, -253, -249, -278, -294] | general_qa | 616 |
The following is a multiple choice question (with answers).
===Question
A 35-year-old woman who was recently ill with an upper respiratory infection presents to the emergency department with weakness in her lower limbs and difficulty breathing. Her symptoms began with a burning sensation in her toes along with numbness... | Guillain-Barré syndrome | general_qa | 320 |
The following is a multiple choice question (with answers).
===Question
An aluminum foil of relative emittance $0.1$ is placed in between two concentric spheres at temperatures $300$K and $200$K respectively. Assume that the spheres are perfect black body radiators. The rate of energy transfer between one of the sphere... | 18.5 watt | general_qa | 168 |
The following is a multiple choice question (with answers).
===Question
The sponge isopod (*Paracerceis sculpta*) resides in the central cavity of marine sponges. The females all have the same appearance, while the males exhibit three morphological forms: large, medium, and small. These three different forms adopt dist... | The average reproductive rates of the three male insects showed no significant differences. | general_qa | 286 |
The following is a multiple choice question (with answers).
===Question
At a depth of 1500 meters, the salinity is 32‰ and the temperature is 1.2°C. Assuming the temperature and salinity remain constant, determine the speed of sound at this location, as well as the radius of the horizontal sound ray and the sound ray w... | 1475.4m/s,86.8km,87.1km | general_qa | 296 |
The following is a multiple choice question (with answers).
===Question
It is generally considered that ecosystems need to be characterized from three aspects: quantity, quality, and ____.
===Choices
interactions
resilience
stability
dynamics
types
complexity
scope
diversity
productivity
space | stability | general_qa | 66 |
The following is a multiple choice question (with answers).
===Question
Allow the expression $x \left( x-a \right) \left( x-b \right) \left( x-c \right) +1$ to be factored into the product of two polynomials whose coefficients are all integers. Find the integers $a, b, c$ that are non-zero and distinct from each other.... | a=1, b=2, c=3 or
a=-1, b=-2, c=-3 or
a=1, b=-2, c=-1 or
a=2, b=-1, c=1 | general_qa | 595 |
The following is a multiple choice question (with answers).
===Question
In the circuit shown the resistance R has a value that depends on the current. Specifically, R is 20 ohms when I is zero and the increase in resistance in ohms is numerically equal to one half of the current in amperes. What is the value of current... | 10 amp | general_qa | 134 |
The following is a multiple choice question (with answers).
===Question
At room temperature (300 K), if a diode is applied a forward voltage of 0.7 V, the resulting forward current is 1 mA. Determine the reverse saturation current of the diode.
===Choices
$$
\approx4 \times1 0^{-1 5} \mathrm{~ A}
$$
$$
\approx9 \times... | $$
\approx2 \times1 0^{-1 5} \mathrm{~ A}
$$ | general_qa | 290 |
The following is a multiple choice question (with answers).
===Question
Under natural conditions, the temperature changes periodically, and many organisms adapt to certain rhythmic changes in temperature and become their biological characteristics through heredity. What is this phenomenon called?
===Choices
Thermal Pu... | Temperature Cycle Phenomenon | general_qa | 107 |
The following is a multiple choice question (with answers).
===Question
What must be taken into account for stocking locations of GS reserve spares?
===Choices
Availability of tools and technicians in the region
Current economic stability of the hosting nation
Estimated number of personnel in the vicinity
Frequency of... | Disposition of vehicles/equipment in respective AOR | general_qa | 115 |
The following is a multiple choice question (with answers).
===Question
A right angle \angle AOB is measured on the ground. After measuring the right angle using the centering method of the positive and negative mirror, the average angle value is $89^{\circ} 59_{'}12_{''}$ after four rounds of measurement. Given that t... | If point B moves inward 0.011 6m, a 90° right angle can be obtained. | general_qa | 373 |
The following is a multiple choice question (with answers).
===Question
Three particles each of mass m are located at vertices of an equilateral triangle ABC. They starts moving with equal speed v each along the medians of the triangle and collide at its centroid G. If, after collision, A comes to rest and B retraces i... | moves with a speed v along BG. | general_qa | 172 |
The following is a multiple choice question (with answers).
===Question
Which excessive substance is related to the foaming slag phenomenon that causes liquid flooding?
===Choices
ZnO
MgO
Cr₂O₃
P₂O₅
TiO₂
CaO
FeO
Al₂O₃
MnO
SiO₂ | FeO | general_qa | 76 |
The following is a multiple choice question (with answers).
===Question
What is the number and name of the asteroid that is astronomer Paul Henry's first credited asteroid discovery?
===Choices
127 Velleda
129 Velleda
121 Velleda
128 Velleda
123 Velleda
126 Velleda
124 Velleda
120 Velleda
125 Velleda
122 Velleda | 126 Velleda | general_qa | 107 |
The following is a multiple choice question (with answers).
===Question
Approximate the pH value of a 0.2 mol/kg $H_{\mathrm{2}}$$SO_{\mathrm{4}}$ solution, given that the average activity coefficient of $H_{\mathrm{2}}$$SO_{\mathrm{4}}$ in this solution is 0.209 is().
===Choices
$$
= 1. 0 8
$$
$$
= 4. 7 9
$$
$$
= 9. ... | $$
= 1. 0 8
$$ | general_qa | 215 |
The following is a multiple choice question (with answers).
===Question
Increased blood coagulability is observed in what conditions?
===Choices
Primary Hypertension
After myocardial infarction recovery
When blood lipids are elevated
While experiencing renal artery vasodilation
Syphilitic aortitis
During systemic arte... | When blood lipids are elevated | general_qa | 98 |
The following is a multiple choice question (with answers).
===Question
() refers to the heat exchange equipment in which the cold and hot fluids are separated by a solid wall and flow on one side respectively, and the heat is transferred from the hot fluid to the cold fluid through the solid wall.
===Choices
Membrane... | Wall heat exchanger | general_qa | 112 |
The following is a multiple choice question (with answers).
===Question
A 70-year-old man with hypertension and type 2 diabetes mellitus is admitted to the hospital 8 hours after the onset of impaired speech and right-sided weakness. Two days after admission, he becomes confused and is difficult to arouse. His pulse is... | Increase the respiratory rate | general_qa | 247 |
The following is a multiple choice question (with answers).
===Question
What are the main mineral requirements in ruminant feed?
===Choices
Sodium, calcium, iron, and potassium
Phosphorus, sodium, zinc, and copper
Potassium, phosphorus, sodium, and magnesium
Calcium, phosphorus, iodine, and zinc
Iron, potassium, magne... | Calcium, phosphorus, sodium, and potassium | general_qa | 134 |
The following is a multiple choice question (with answers).
===Question
After the 1840s, under the impact of foreign capitalist economy, China's economy has undergone profound changes. Around the 1870s, the structure of China's export commodities changed, as shown by __.
===Choices
Agricultural finished products and s... | The proportion of raw materials increased rapidly | general_qa | 165 |
The following is a multiple choice question (with answers).
===Question
Consider a circular turn on a highway, where the angle of banking is more than the angle of response. A car on this turn can move with a constant speed $ v_o $ without the help of friction. Taking advantage of friction, it can achieve a maximum spe... | $$ v_o < 0.5 (v_{max} + v_{min} ) $$ | general_qa | 270 |
The following is a multiple choice question (with answers).
===Question
At 25°C, the diffusion-controlled rate of a certain electrode reaction is $3 \times 10^{-2} \text{ mol/m}^2 \text{s}$. If the diffusion rate is increased 1000 times through vigorous stirring, the diffusion step can become a non-controlling step. Ho... | The diffusion activation energy should be reduced to 17106 J/mol. | general_qa | 261 |
The following is a multiple choice question (with answers).
===Question
A particle is moving along a line so that$s = 3 t ^ { 3 } + 8 t + 1 .$ The instant at which velocity and acceleration are equal are given by
===Choices
$$t = 0,2 / 3$$
$$t = 2 / 3,4 / 3$$
t = 1 / 3,1 / 3
$$t = 0,5 / 3$$
t = 1 / 3,5 / 3
$$t = 1 / 3... | $$t = 0,2 / 3$$ | general_qa | 165 |
The following is a multiple choice question (with answers).
===Question
Measures for Public Participation in Environmental Impact Assessment," which of the following statements is correct?
===Choices
The specialized planning authority is responsible for organizing public participation in the preparation of the environ... | The specialized planning authority is responsible for organizing public participation in the preparation of the environmental impact report and is accountable for the authenticity and results of the public participation. | general_qa | 315 |
The following is a multiple choice question (with answers).
===Question
In object-oriented technology, the data type system consists of primitive types, composite types, and ______.
===Choices
Direct Type
Dependent Type
Constant Type
Active Type
Dynamic Type
Legacy Type
Abstract Type
Generic Type
Reference Type
Simple... | Reference Type | general_qa | 67 |
The following is a multiple choice question (with answers).
===Question
Find the value of the integral
$$
I=\int_{0}^{1} \frac{\operatorname{ln} (1-x)}{x} \mathrm{d} x.
$$.
===Choices
$$
\pi / 4
$$
$$
-1 / 2
$$
$$
\pi^{2} / 8
$$
$$
- \pi^{2} / 6
$$
$$
- \ln(3/2)
$$
$$
0
$$
$$
e^{-\pi}/2
$$
$$
\ln 2
$$
$$
\sqrt{2} / 3
... | $$
- \pi^{2} / 6
$$ | general_qa | 167 |
The following is a multiple choice question (with answers).
===Question
What is the general range of the alto voice?
===Choices
E to c'
c' to a''
f to d''
B to g' | f to d'' | general_qa | 44 |
The following is a multiple choice question (with answers).
===Question
A solution contains $\mathrm{Fe}^{2+}$ and $\mathrm{Fe}^{3+}$, both at a concentration of $0.10 \ \mathrm{mol} \cdot \mathrm{dm}^{-3}$. If the requirement is that only $\mathrm{Fe(OH)}_3$ precipitates and no $\mathrm{Fe(OH)}_2$ precipitates, determ... | $$
2. 8 \sim6. 3
$$ | general_qa | 343 |
The following is a multiple choice question (with answers).
===Question
Kos of the Dorian Pentapolis produced coinage featuring variations of which two images?
===Choices
A crab and Artemis
A crab and Zeus
A crab and Hermes
A crab and Heracles
A crab and Athena
A crab and Apollo
A crab and Dionysus
A crab and Ares
A c... | A crab and Heracles | general_qa | 91 |
The following is a multiple choice question (with answers).
===Question
A plaintiff sued a defendant in federal court for injuries arising out of an accident involving the parties. The plaintiff alleged and presented evidence at trial demonstrating that her injuries had left her legs permanently paralyzed. The jury fou... | Move for relief from the judgment on the ground that the plaintiff committed a fraud in obtaining damages for permanent injuries. | general_qa | 332 |
The following is a multiple choice question (with answers).
===Question
According to the Bohr model of the hydrogen atom, the radius of an excited state with $n=100$ is approximately().
===Choices
$$
\mathrm{20 nm}
$$
$$
\mathrm{25 nm}
$$
$$
\mathrm{5 n m}
$$
$$
\mathrm{3 mm}
$$
$$
\mathrm{10 \mu m}
$$
$$
\mathrm{1 mm... | $$
\mathrm{5 n m}
$$ | general_qa | 156 |
The following is a multiple choice question (with answers).
===Question
A patient who had been injured while being treated at a hospital was planning litigation strategy with her lawyer. The patient and hospital were both citizens of State A. During her hospital stay, the patient suspected that negligence by not only t... | The plaintiff could join claims against all three potential defendants but the district court would not have subject-matter jurisdiction over all three claims. | general_qa | 415 |
The following is a multiple choice question (with answers).
===Question
Let the 3rd order matrix `A = (alpha _1,alpha _2,alpha _3), B = (alpha _2-2alpha _3,alpha _1,alpha _2)`, if the determinant of `A` is `| A | = 2`, then the determinant of `B` is `| B | =` ( )
===Choices
4
-10
-16
-2
-14
-6
-12
-4
-8
2 | -4 | general_qa | 120 |
The following is a multiple choice question (with answers).
===Question
The wavelength of the world's first laser-the ruby laser-is 694.3 nm. Its frequency is_____.
===Choices
432 THz
480 THz
460 THz
390 THz
440 THz
450 THz
300 THz
474 THz
500 THz
410 THz | 432 THz | general_qa | 101 |
The following is a multiple choice question (with answers).
===Question
The purpose of high-temperature normalizing ductile iron is to obtain which of the following structures?
===Choices
P+F+G
F+Ld+G
P+G
P+C+G
P+Ld+G
F+P+G
P+Ld
C+G
F+G
Ld+G | P+G | general_qa | 88 |
The following is a multiple choice question (with answers).
===Question
We now define an algorithm: The definition of a(n) is the number of elements at distance n in the Cayley graph of the modular group with a standard generating set. Given the input x_list (a series of values): [31, 32, 33, 34, 35, 36, 37, 38, 39, 40... | [98304, 131072, 196608, 262144, 393216, 524288, 786432, 1048576, 1572864, 2097152] | general_qa | 853 |
The following is a multiple choice question (with answers).
===Question
The "geographical latitude" refers to_____.
===Choices
The intersection of the normal line of a point on the earth's elliptic meridian with the equatorial plane
The intersection of a point on the earth's elliptic meridian and the geocentric line w... | The intersection of the normal line of a point on the earth's elliptic meridian with the equatorial plane | general_qa | 235 |
The following is a multiple choice question (with answers).
===Question
The two different pathways for the synthesis of lecithin in organisms are ___ and ___.
===Choices
Cellular integration route, CMP-choline process
Phospholipid biosynthesis, choline phosphotransferase method
Cholesterol synthase process, CMP-glycer... | Glycerol diester pathway, CDP-glycerol diester pathway | general_qa | 168 |
The following is a multiple choice question (with answers).
===Question
In the reservoir of a supersonic wind tunnel, the velocity is negligible, and the temperature is 1000 K. The temperature at the nozzle exit is 600 K. Assuming adiabatic flow through the nozzle, calculate the velocity at the exit.
===Choices
$$
8 0... | $$
8 9 6. 4 \mathrm{~ m / s e c}
$$ | general_qa | 292 |
The following is a multiple choice question (with answers).
===Question
In a 2FSK modulation/demodulation system with a digital signal bit duration of 0.01ms, the minimum frequency interval for non-coherent demodulation is ___, and for coherent demodulation, the minimum frequency interval is ___.
===Choices
1200Hz, 60... | 1000Hz, 500Hz | general_qa | 187 |
The following is a multiple choice question (with answers).
===Question
The GDP Deflator differs from the CPI in that the GDP Deflator
===Choices
incorporates current year quantities in its calculations
is thought to slightly overestimate the inflation rate
is thought to slightly underestimate the inflation rate
only ... | incorporates current year quantities in its calculations | general_qa | 130 |
The following is a multiple choice question (with answers).
===Question
What are the main components of the logistics support system for military equipment?
===Choices
Evaluation, warehousing, allocation, upgrading
Execution, inventory, distribution, recycling
Approval, procurement, allocation, usage
Expediting, procu... | Procurement, storage, distribution, usage | general_qa | 117 |
The following is a multiple choice question (with answers).
===Question
The water-gas reaction is _____ and ____ has influence on the reaction.
===Choices
$\mathrm{CO_2 + H_2 = CO + H_2O}$, pressure
$\mathrm{CO + H_2O = CO_2 + H_2}$, pressure
$\mathrm{CO_2 + H_2 = CO + H_2O}$, concentration
$\mathrm{CO_2 + H_2 = CO + ... | $\mathrm{CO_2 + H_2 = CO + H_2O}$, pressure | general_qa | 200 |
The following is a multiple choice question (with answers).
===Question
The research subjects of Criminal Intelligence Studies include ()
I. History of Criminal Intelligence
II. Criminal Intelligence Phenomena
III. Patterns of Criminal Intelligence Activities
IV. Development of Criminal Intelligence
===Choices
II,III,... | II,III | general_qa | 106 |
The following is a multiple choice question (with answers).
===Question
What are the diffusion coefficients of beryllium and graphite when $E=0.025 \mathrm{~eV}$?
===Choices
$$0.0416m,~0.0917m$$
$$0.0494m,~0.0871m$$
$$0.0428m,~0.0856m$$
$$0.0382m,~0.0894m$$
$$0.0523m,~0.0835m$$
$$0.0440m,~0.0920m$$
$$0.0398m,~0.0952m$... | $$0.0416m,~0.0917m$$ | general_qa | 235 |
The following is a multiple choice question (with answers).
===Question
Given a parallel-plate capacitive displacement sensor with plate dimensions $a = b = 4 \, \text{mm}$, gap $d_0 = 0.5 \, \text{mm}$, and air as the dielectric between the plates. If the plates are moved $2 \, \text{mm}$ in the $x$ direction, determi... | $C=0.142pF$ | general_qa | 214 |
The following is a multiple choice question (with answers).
===Question
In the one-dimensional lattice, use $| n \rangle$ to represent the $s$-state of the $n$-th lattice point. Under the tight-binding approximation, which considers only nearest-neighbor interactions, write the expression for the matrix element $\langl... | $$
\langle m | \hat{H} | n \rangle=\varepsilon_{\mathrm{s}} \delta_{m, n}-J_{0} \delta_{m, n}-J_{1} \delta_{m, n \pm1}
$$ | general_qa | 675 |
The following is a multiple choice question (with answers).
===Question
A sphere of radius $R$ moving with speed $v$ in laminar flow through a viscous fluid erperiences a drag force $F_{v i s c}=6 \pi\eta R v$ . At higher speeds inertial effects (the acceleration of the fluid displaced by the sphere) become important, ... | 2 | general_qa | 188 |
The following is a multiple choice question (with answers).
===Question
The key issue of the recovery mechanism is ( ).
===Choices
Improved access controls
Periodic system updates
Reinforce network speed
Multiple server locations
Data mirroring
Data dump
Enhanced security protocols
Advanced encryption methods
Register... | Create redundant data | general_qa | 69 |
The following is a multiple choice question (with answers).
===Question
The correct description of the ILSs by distribution policy is
I. SLIM 21: A licensed, closed source ILS for large libraries, providing comprehensive management tools.
II. LibSys: A closed source commercial ILS for large libraries, accessible throug... | II) V) VII) VIII) | general_qa | 349 |
The following is a multiple choice question (with answers).
===Question
Let $A=\left( \begin{matrix} {{{1}}} & {{{-1}}} & {{{1}}} \\ {{{2}}} & {{{4}}} & {{{a}}} \\ {{{-3}}} & {{{-3}}} & {{{5}}} \\ \end{matrix} \right)$ and the eigenvalue of $A$ be $\lambda_{1}=6\ , \lambda_{2, 3}=2$, what is the value of $a$ ?
===Choi... | $$
- 2
$$ | general_qa | 180 |
The following is a multiple choice question (with answers).
===Question
Calculate the intermediate pressure $p_m$ for a single-stage throttling, fully cooled at the intermediate stage, two-stage expansion ammonia refrigeration cycle with a working temperature of $t_{k}=38^{\circ}\mathrm{C}, t_{0}=-33.33^{\circ}\mathrm{... | $$
0. 3 1 7 7 \mathrm{M P a}
$$ | general_qa | 378 |
The following is a multiple choice question (with answers).
===Question
Which of the following statements about microscope lighting system design is correct?
===Choices
For bright-field illumination, the numerical aperture of the objective lens must be greater than the numerical aperture of the focusing lens
For brigh... | For dark-field illumination, the numerical aperture of the focusing lens must be larger than the numerical aperture of the objective lens | general_qa | 259 |
The following is a multiple choice question (with answers).
===Question
Please select suitable circuits to form a two-stage amplifier circuit based on the following requirements: the input resistance should be between 100kΩ and 200kΩ, and the voltage gain should be greater than 100. The first stage should use ( ), and ... | Common-collector circuit; Common-emitter circuit | general_qa | 169 |
The following is a multiple choice question (with answers).
===Question
Forestria is a world made when two regular tetrahedrons of side length 100 km are combined among a common face. Fox lives on the center of one face, and Squirrel lives on the center of another face that does not share an edge with Fox's face. Fox w... | 100 | general_qa | 155 |
The following is a multiple choice question (with answers).
===Question
Which structure develops to form cotton fibers used in textiles?
===Choices
Seed trichomes
Phloem Fiber
Epidermal hair
Root hairs
Secondary fibers
Pearl Handle
Floral sepals
Filigree
Wood fiber
Xylem vessels | Epidermal hair | general_qa | 69 |
The following is a multiple choice question (with answers).
===Question
Most of the first modern Chinese architects graduated from which American university?
===Choices
Stanford University
Cornell University
University of California, Berkeley
University of Pennsylvania
Princeton University
Massachusetts Institute of T... | University of Pennsylvania | general_qa | 73 |
The following is a multiple choice question (with answers).
===Question
In S.H.M. potential energy of the particle at the mean position is $E_1$ and the kinetic energy is $E_2$, then :
===Choices
E_1 = \dfrac{E_2}{3}
E_1 = \dfrac{3E_2}{2}
E_1 = \dfrac{3E_2}{4}
Total kinetic energy at x = $\dfrac{\sqrt 3A}{2}$ is $E_1 ... | Total potential energy at x = $\dfrac{\sqrt 3A}{2}$ is $E_1 + \dfrac{3E_2}{4}$ | general_qa | 252 |
The following is a multiple choice question (with answers).
===Question
Who was the first Western artist whose biography was published while he was alive?
===Choices
Giovanni Bellini
Leonardo da Vinci
Raphael Sanzio
Michelangelo Buonarroti | Michelangelo Buonarroti | general_qa | 57 |
The following is a multiple choice question (with answers).
===Question
Choose the correct statement (s) for hydrogen and deuterium atoms considering motion of reaction
===Choices
The radius of first Bohr orbit of deuterium is less than that of hydrogen
The angular momentum of electron in the first Bohr orbit of deute... | The radius of first Bohr orbit of deuterium is less than that of hydrogen | general_qa | 179 |
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