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 controller adds differential action to overcome the ( ) of the controlled object.
===Choices
Inertia lag, pure lag
Capacity gain, inertia supremacy
Inertia gain, capacity supremacy
Capacity lag, pure lag
Pure lag
Inertia halt, pure halt
Pure r... | Inertia lag, capacity lag | general_qa | 92 |
The following is a multiple choice question (with answers).
===Question
You are conducting an autopsy of a body. Which of the following is the first internal sign of putrefaction that you are likely to observe?
===Choices
Discolouration of the under surface of liver
Discolouration of the under surface of the right lob... | Discolouration of the under surface of liver | general_qa | 137 |
The following is a multiple choice question (with answers).
===Question
A mixture of ${n_1}$ moles of monoatomic gas and ${n_2}$ moles of diatomic gas has $\frac{{{C_y}}}{{{C_y}}} = Y = 1.5$ :-
===Choices
$$2{n_1} = {n_2}$$
$$3{n_1} = {n_2}$$
$${n_1} = \frac{3}{2}{n_2}$$
$$3{n_1} = 4{n_2}$$
$$2{n_1} = 3{n_2}$$
$${n_1}... | $${n_1} = {n_2}$$ | general_qa | 203 |
The following is a multiple choice question (with answers).
===Question
Net Protein utilization of fish is-
===Choices
77%
75%
76%
67%
87%
62%
78%
74%
72%
57% | 77% | general_qa | 54 |
The following is a multiple choice question (with answers).
===Question
Two whorls of perianths have no distinction in color, shape, etc., such as lily flowers, what is called?
===Choices
pseudochlamydeous
polychlamydeous
isochlamydeous
monochlamydeous
amphichlamydeous
trichlamydeous
heterochlamydeous
dichlamydeous
ho... | homochlamydeous | general_qa | 118 |
The following is a multiple choice question (with answers).
===Question
The system function of a certain continuous linear time-invariant system is $\mathbf{H} ( \mathrm{s} )=\mathrm{s} / ( \mathrm{s}+2 )$ . If $\mathbf{e} ( \mathbf{t} )$ represents the input signal and $\mathbf{r} ( \mathbf{t} )$ represents the output... | $\mathrm{r^{\prime} ( t )+2 r ( t )=e^{\prime} ( t )}$ | general_qa | 344 |
The following is a multiple choice question (with answers).
===Question
A single-shell, single-tube pass shell-and-tube heat exchanger is composed of a bundle of steel tubes each measuring $\phi\, 25 \, \mathrm{mm} \times 2.5 \, \mathrm{mm}$. An organic solution flows through the tube side with a velocity of $0.5 \, \m... | 1.81m | general_qa | 326 |
The following is a multiple choice question (with answers).
===Question
The purpose of a constant current source differential amplifier circuit using a constant current source bias is ( ).
===Choices
Boost both modes of amplification equally
Minimize noise in differential output
Enhance the DC bias stability
Suppress ... | Suppressing common mode signal | general_qa | 104 |
The following is a multiple choice question (with answers).
===Question
When can a child kick a ball?
===Choices
24 months
28 months
25 months
22 months
18 months
30 months
20 months
36 months
26 months
12 months | 24 months | general_qa | 64 |
The following is a multiple choice question (with answers).
===Question
For a 100Mb/s Ethernet switch, when the output port is not queued and an Ethernet frame (excluding the preamble) is forwarded using cut-through switching, the introduced forwarding delay is at least ( ).
===Choices
$$
1. 8 3 \mu s
$$
$$
0. 6 9 \mu... | $$
0. 4 8 \mu s
$$ | general_qa | 199 |
The following is a multiple choice question (with answers).
===Question
What deficiency leads to the drought spot in apples?
===Choices
calcium
boron
sulfur
aluminum
manganese
iron
zinc
copper
magnesium
molybdenum | boron | general_qa | 60 |
The following is a multiple choice question (with answers).
===Question
The main performance indicators to measure the performance of communication system are ().
===Choices
Efficacy
Coverage and Error handling
Accessibility and Functionality
Bandwidth and Throughput
Error rate
Data rate and Signal strength
Connectivi... | Effectiveness and Reliability | general_qa | 77 |
The following is a multiple choice question (with answers).
===Question
The engine of a jet aircraft develops a thrust of 3000 lb. What horsepower does it develop at a velocity of 600 mi/hr = 800 ft/sec?
===Choices
4500 hp
5500 hp
5100 hp
Both 4800 hp and 3000 * 800 / 550 hp are correct
6000 hp
4000 hp
4800 hp
4300 hp... | Both 4800 hp and 3000 * 800 / 550 hp are correct | general_qa | 137 |
The following is a multiple choice question (with answers).
===Question
For how many meters of head is a tubular turbine applicable?
===Choices
28
24
35
30
15
27
22
26
25
20 | 25 | general_qa | 59 |
The following is a multiple choice question (with answers).
===Question
A proton is fired from origin with velocity $\overrightarrow{v}=v_0\hat {j}+v_0\hat{k}$ in a uniform magnetic field $\overrightarrow{B}=B_0\hat{j}$. In the subsequent motion of the proton
===Choices
its $x-$ and $z-$coordinate cannot be zero at th... | its $x-$coordinate can never be positive | general_qa | 155 |
The following is a multiple choice question (with answers).
===Question
Let $x_{1} < x_{2} < \cdots< x_{n}$ be the $n$ distinct real roots of the $n$-th degree polynomial $P(x)$, with $A>0$, and consider the set
$$
E=\left\{x \in\mathbb{R}^{1}, \, P^{\prime} \left( x \right) / P(x) > \lambda\right\},
$$
then $E$ is the... | $n / \lambda$ | general_qa | 200 |
The following is a multiple choice question (with answers).
===Question
In intact isolated mitochondria, in the presence of oxidizable substrates, which substance can increase electron transfer and oxygen uptake?
===Choices
$\mathrm{FADH_2}$
Succinate
Coenzyme Q
Enzymes of the TCA Cycle
ADP
Citrate
Cytochrome c
Pyruva... | ADP | general_qa | 91 |
The following is a multiple choice question (with answers).
===Question
The yellow body color of fruit flies is controlled by a sex-linked recessive gene, and the wild-type color is produced by a dominant allele. In a sample from a Hardy-Weinberg population, there are 1,021 wild-type male flies, 997 wild-type female fl... | None of the above is correct. | general_qa | 153 |
The following is a multiple choice question (with answers).
===Question
What is an early representation of the Corinthian columnar style?
===Choices
Neoclassical Pediment
Renaissance Rotunda
Roman Basilica
Byzantine Dome
Ionic Portico
Gothic Arch
Doric Temple
Baroque Facade
Trophy Pavilion
Tuscan Colonnade | Trophy Pavilion | general_qa | 80 |
The following is a multiple choice question (with answers).
===Question
To penetrate the Coulomb barrier of a light nucleus, the order of magnitude of the minimum energy that a proton must have is____.
===Choices
$$
\mathrm{0.1 ~ M e V}
$$
$$
\mathrm{10 ~ k e V}
$$
$$
\mathrm{100 ~ M e V}
$$
$$
\mathrm{1 ~ G e V}
$$
$... | $$
\mathrm{1 ~ M e V}
$$ | general_qa | 183 |
The following is a multiple choice question (with answers).
===Question
A particle of mass $m$ carrying charge $q$ is lying at the origin at the uniform magnetic field directed along $Y-$ axis. At time $t=0$, it is given velocity $v_{0}$ at angle $\alpha $ with the $X-$ axis as shown in the figure. The coordinates of t... | $$(0, ({ v }_{ 0 }\sin {\alpha }) \cfrac { 2\pi m }{ qB }, 0)$$ | general_qa | 451 |
The following is a multiple choice question (with answers).
===Question
Which database objects can use macros?
I. report
II.form
III.macro
IV.table
===Choices
Only I, III and IV
All of the above
Only IV
Only I and IV
Only I and II
Only III
Only I, II and III
Only I and III
Only I
Only II | Only I, II and III | general_qa | 83 |
The following is a multiple choice question (with answers).
===Question
We now define an algorithm: The definition of a(n) is: Array of numbers read by upward antidiagonals, arising from Gilbreath's conjecture: the leading row lists the prime numbers in ascending order, and the following rows give the absolute values o... | [41, 1, 0, 0, 0, 0, 2, 0, 0, 0] | general_qa | 450 |
The following is a multiple choice question (with answers).
===Question
A random variable R has a Rayleigh density f(r) = (r / \alpha^2)e[{-(r)2} / {2(\alpha)2}],0 \leq r \leq \infty and = 0,r < 0 Determine the following: (a) the expected value or R, E [R] (b) the expected value of R^2, E [R^2] and (c) the variance \si... | E[R] = [\surd(\pi / 2)] ullet lpha, E[R^2] = 2lpha^2, \sigma_r^2 = lpha^2(0.43) | general_qa | 587 |
The following is a multiple choice question (with answers).
===Question
For elementary gaseous phase reaction
2NO + $O_2$ $\rightleftharpoons$ $2NO_2$ at $27^o$C
Rate of the foroward reaction is given by rate = 2 $\times10^3 [NO]^2[O_2]$ and
Rate of reverse reaction at $27^o$C is given by rate = 20 $[NO_2]^2$
Hence ... | 100 | general_qa | 203 |
The following is a multiple choice question (with answers).
===Question
As the Second Industrial Revolution progresses, what are the biggest changes taking place in the industrial structure of the major capitalist countries?
===Choices
The decline of urbanization and city development
Heavy industry came to dominate
Ag... | Heavy industry came to dominate | general_qa | 132 |
The following is a multiple choice question (with answers).
===Question
For the reaction equilibrium, $2NOBr \rightleftharpoons 2NO(g)+Br_{2}(g)$
If $P_{Br_{2}}=\dfrac {P}{6}$ equilibrium and $P$ is total pressure, the ratio of $\dfrac {K_{p}}{P}$ is equal to
===Choices
\dfrac{1}{108}
\dfrac{1}{405}
$$\dfrac {1}{3}$$
... | $$\dfrac {1}{81}$$ | general_qa | 187 |
The following is a multiple choice question (with answers).
===Question
What is the main purpose of using a pellet machine in feed processing?
===Choices
Ensure uniform feed size
Reduce transportation costs
Improve feed utilization
Promote better digestion
Increase shelf life
Simplify storage procedures
Enhance palata... | Improve feed utilization | general_qa | 79 |
The following is a multiple choice question (with answers).
===Question
The International Music Literature Directory (Répertoire International de Littérature Musicale) was founded in 1966 by which American musicologist?
===Choices
Barry S. Brookes
Barry S. Brooke
Barry S. Broke
Barry S. Brooks
Barry S. Brocke
Barry S.... | Barry S. Brook | general_qa | 115 |
The following is a multiple choice question (with answers).
===Question
Given that the surface tension of water is 72.62 (dyn / cm) at 20°C, how high should water rise in a capillary that is 1.0 mm in diameter?
===Choices
3.70 cm
0.74 cm
6.22 cm
7.44 cm
2.96 cm
10.36 cm
8.88 cm
1.48 cm
4.44 cm
5.92 cm | 2.96 cm | general_qa | 121 |
The following is a multiple choice question (with answers).
===Question
What is the measure of the height of the potential?
===Choices
$\mathbf{L}^{1} \mathbf{T}^{-3}$
$\mathbf{L}^{2} \mathbf{T}^{-3}$
$\mathbf{L}^{2} \mathbf{T}^{-1}$
$\mathbf{L}^{2} \mathbf{T}^{-2}$
$\mathbf{L}^{1} \mathbf{T}^{-2}$
$\mathbf{L}^{3} \ma... | $\mathbf{L}^{2} \mathbf{T}^{-2}$ | general_qa | 171 |
The following is a multiple choice question (with answers).
===Question
Article __________ states "Any member of the armed forces who, without authority- (1) fails to go to his appointed place of duty at the time prescribed; (2) absents himself or remains absent from his unit, organization, or place of duty at which he... | 86 | general_qa | 121 |
The following is a multiple choice question (with answers).
===Question
25 mL of an aqueous solution of KCI was found to require 20 mL of 1 M $AgNO_{3}$ solution when titrated using a $K_{2}CrO_{4}$ as indicator. Depression in freezing point of KCI solution with 100% ionisation will be :
$(K_{f}=2.0 mol^{-1}kg$ and mol... | 5.0 | general_qa | 146 |
The following is a multiple choice question (with answers).
===Question
The development trends of information service models based on network information resource demands are:
I. Shifting from dispersed to integrated and coordinated environment
II. Shifting from information service to knowledge service
III. Shifting fr... | I,II,III,IV,V | general_qa | 150 |
The following is a multiple choice question (with answers).
===Question
In what year did Pipilotti Rist receive the 'Renta Preis of the Kunsthalle Nürnberg' for the first time?
===Choices
1993
1997
1994
1991
1992
1998
1990
1999
1996
1995 | 1997 | general_qa | 94 |
The following is a multiple choice question (with answers).
===Question
The Quaternary period is divided into four divisions, and what are their respective chronological boundaries?
===Choices
2.7 Ma, 950,000 years, 120,000 years, 8,000 years
2.8 Ma, 1.2 Ma, 130,000 years, 11,000 years
2.9 Ma, 1.3 Ma, 140,000 years, 1... | 2.5 Ma, 1 Ma, 125,000 years, 10,000 years | general_qa | 340 |
The following is a multiple choice question (with answers).
===Question
As of 2019, about what percentage of the global population does not have access to safe drinking water?
===Choices
100%
20%
Both 30% and 100% are correct
80%
60%
30%
40%
70%
90%
50% | 30% | general_qa | 83 |
The following is a multiple choice question (with answers).
===Question
What is the name of the performance Marina Abramović and Uwe Laysiepen performed in 1976?
===Choices
In Relation across Space
In Relation to the Space
In Relation in Space
In Relation through Space
In Relation in the Space
In Relation by Space
In ... | In Relation in Space | general_qa | 95 |
The following is a multiple choice question (with answers).
===Question
Definition of Media in Comparative Literature: ( )
===Choices
Groups or devices that focus on the distribution of artistic content, helping to merge the stories from distinct regions by sharing both classic and contemporary works.
The anchors and ... | Those individuals or objects that play a communicative role in the process of literary dissemination, introduce and spread the literature of one nation (including the works of writers, literary criticism, literary trends, and literary movements) to another nation, thereby enabling the transmission | general_qa | 288 |
The following is a multiple choice question (with answers).
===Question
Historians generally agree that ( ) and ( ) were the periods during which class-based states began to form in China, while the Zhou dynasty was a time for the development and refinement of state systems.
===Choices
the Yuan dynasty and the Ming dy... | the Xia dynasty and the Shang dynasty | general_qa | 140 |
The following is a multiple choice question (with answers).
===Question
A rocket has a length L = 600 m measured at rest on the earth. It moves directly away from the earth at constant velocity, and a pulse of radar is sent from earth and reflected back by devices at the nose and tail of the rocket. The reflected signa... | R = 3 × 10^10 m, v = 2.13 × 10^8 m/sec | general_qa | 429 |
The following is a multiple choice question (with answers).
===Question
Imagine an information source transmitting at 3000 symbols per second. It uses five symbols: I, II, III, IV, and V. Symbol I has a probability of 1/2, while the remaining symbols share equal probabilities. Each symbol's occurrence is independent of... | 2 bits per symbol, 6966 bits per second | general_qa | 240 |
The following is a multiple choice question (with answers).
===Question
What does the Palestrina style refer to?
===Choices
Polyphonic madrigal
Secular folk song
Homophonic harmony
Renaissance opera
Classical sonata
Counterpoint melodies
A cappella style
Sacred symphony
Gregorian chant
Baroque texture | A cappella style | general_qa | 76 |
The following is a multiple choice question (with answers).
===Question
Sample a uniformly distributed random simulated signal, quantize it uniformly, and encode it into binary PCM (Pulse Code Modulation) signals, with a quantization signal-to-noise ratio of 42.1442 dB. For each sampling value corresponding to a PCM co... | $2kHz$ | general_qa | 199 |
The following is a multiple choice question (with answers).
===Question
Add a field named "Hometown" to the Student table, using the SQL statement ().
===Choices
ALTER SCHEMA Students ADD PlaceOfBirth char(10)
ALTER DATABASE Students ADD PlaceOfBirth char(10)
ALTER TABLE Students INSERT PlaceOfBirth char(10)
MODIFY TA... | ALTER TABLE Students ADD PlaceOfBirth char(10) | general_qa | 150 |
The following is a multiple choice question (with answers).
===Question
After 1978, meteorological satellites entered a third stage of development, mainly represented by the ____ series.
===Choices
APT
NOAA
SATCOM
INTELSAT
NASA
SPOT
Landsat
GOES
METEOSAT
TDRSS | NOAA | general_qa | 73 |
The following is a multiple choice question (with answers).
===Question
What is the most fundamental basis when deriving the basic equations for filtration?
===Choices
Turbulent flow of fluid
Laminar flow of fluid
Settling Velocity of Solid Particles
Diffusion rate of solid particles
Elasticity of the filter material
... | Laminar flow of fluid | general_qa | 83 |
The following is a multiple choice question (with answers).
===Question
All are branches of the posterior division of the mandibular nerve except:
===Choices
Inferior alveolar nerve
Lingual nerve
Buccal nerve
Lateral pterygoid nerve
Deep temporal nerve
Masseteric nerve
Medial pterygoid nerve
Auriculotemporal nerve
Myl... | Deep temporal nerve | general_qa | 95 |
The following is a multiple choice question (with answers).
===Question
On Encrypting "thepepsiisintherefrigerator" using Vignere Cipher System using the keyword "HUMOR" we get cipher text ____.
===Choices
abqdnwewuwjphfvrrtrfznsdokvl
tbayrvmwuwiphfwvyyrfznydokvl
tbadrvmwuwiphfwvyyrfznydokvl
abhdvnwuwiphfwyyyrfzndokvl... | abqdvmwuwiphfwyyrfznydokvl | general_qa | 208 |
The following is a multiple choice question (with answers).
===Question
When using sodium carbonate as a reference substance to calibrate hydrochloric acid solution, if the titration speed is too fast, the HCl attached to the wall of the burette will not have time to flow down, and the titration volume will be read. Th... | Slightly large | general_qa | 108 |
The following is a multiple choice question (with answers).
===Question
Which of the following statements about normal random processes is correct?
===Choices
White noise follows a normal distribution.
The white noise process must be Gaussian.
The mean and autocorrelation function can determine any N-dimensional distr... | The mean and autocorrelation function can determine any N-dimensional distribution. | general_qa | 135 |
The following is a multiple choice question (with answers).
===Question
Given a wave series with a significant wave height $ H = 4.7 \text{meters} $ and a significant wave period of 4.7 meters, what is the average wave height of this wave series?
===Choices
2.50 m
3.50m
3.76 m
2.72 m
2.88 m
2.45 m
2.37 m
2.94 m
3.16 m... | 2.94 m | general_qa | 122 |
The following is a multiple choice question (with answers).
===Question
Water flows through a galvanized iron pipe at a rate of 3 ft^3/s. If the pressure loss is 5 ft. per 1000 ft. of flow, determine the size of the pipe.
===Choices
4.45 ft/s
2.5 ft/s
5.5 ft/s
0.75 ft
3.4 × 10^5
0.965 ft
1.2 × 10^6
1.85 ft
1.25 ft
0.9... | 0.965 ft | general_qa | 133 |
The following is a multiple choice question (with answers).
===Question
The common pathogen for purulent meningitis complicated with subdural effusion is
===Choices
Haemophilus parainfluenzae
Haemophilus influenzae
Moraxella catarrhalis
Streptococcus pneumoniae
Haemophilus ducreyi
Neisseria meningitidis
Streptococcus ... | Haemophilus influenzae | general_qa | 114 |
The following is a multiple choice question (with answers).
===Question
From 1959 to 1961, the number of cases of short-limbed deformities in some Western European countries increased year by year, reaching a peak at the end of 1960 and the beginning of 1961. Retrospective inquiries to mothers of children with short-li... | Mothers of children with short-limbed deformities often had a history of taking thalidomide, suggesting a relationship between thalidomide and the occurrence of short-limbed deformities. This reasoning process is the method of agreement in inductive reasoning. | general_qa | 812 |
The following is a multiple choice question (with answers).
===Question
What is the typeface designed by Kanroku Okazaki for the posters of Rakugo and Kabuki?
===Choices
Kanteiubo Bold
Kanteiubo
Kanteiubo Condensed
Kanteiubo Light
Kanteiubo Regular
Kanteiubo Narrow
Kanteiubo Serif
Kanteiubo Sans
Kanteiubo Black
Kantei... | Kanteiubo | general_qa | 100 |
The following is a multiple choice question (with answers).
===Question
The distance between an electric lamp and a screen is $d = 1\ m$. A convergent lens of focal length $f = 21\ cm$ is placed between the lamp and the lens such that a sharp image of the lamp filaments is formed on the screen.
===Choices
Magnitude of... | Magnitude of the difference in magnification is $40/21$ | general_qa | 268 |
The following is a multiple choice question (with answers).
===Question
The turning angle measured at an intersection is $\alpha =48°21'15''$. The outer distance E=38.46m is required for setting the curve. Try to calculate the radius of the circular curve that should be set.
===Choices
R=410m
R=350m
R=400m
R=402m
R=39... | R=400m | general_qa | 139 |
The following is a multiple choice question (with answers).
===Question
The indicator phenol red is half in the ionic form when $pH$ is $7.2$. If the ration of the undissociated from to the ionic form is $1:5$, find the $pH$ of the solution. With the same $pH$ for solution, if indicator is altered such that the ratio o... | $$pH=7.9;7.3$$ | general_qa | 243 |
The following is a multiple choice question (with answers).
===Question
We now define an algorithm: The definition of a(n) is the number of ways to factorize n into three ordered parts, such that n = r * s * t. Given the input x_list (a series of values): [80, 81, 82, 83, 84, 85, 86, 87, 88, 89], determine the correspo... | [45, 15, 9, 3, 54, 9, 9, 9, 30, 3] | general_qa | 464 |
The following is a multiple choice question (with answers).
===Question
The first kind of discontinuity point of the function $f(x) = \frac{{({\rm{e}}^x + x)\tan x}}{{x({\rm{e}}^{\frac{1}{x}} - {\rm{e}})}}$ on the interval $[-{\rm{\pi}},{\rm{\pi}}]$ is $x=$
===Choices
\frac{\pi}{6}
0
- rac{
m{\pi}}{2}
1
rac{
m{\pi}}{2... | 0 | general_qa | 158 |
The following is a multiple choice question (with answers).
===Question
What is central emphysema?
===Choices
A severe condition causing lack of deflation in the tertiary bronchi, with no space for the alveoli sacs.
The bronchiectasis is profound, with substantial expansion of attached alveolar ducts and sacs.
The lun... | Bronchiectasis affecting the respiratory bronchioles, with not much noticeable expansion in the surrounding alveolar sacs. | general_qa | 256 |
The following is a multiple choice question (with answers).
===Question
The content of the review summary and commentary includes ().
===Choices
In the review session, the capacity of each individual's resolution methods is examined, along with possible repercussions. The groundwork and thought process behind these de... | In the scenario analysis, the appropriateness of both parties' resolution to handle the situation is examined, along with the potential outcomes that may arise. The basis and reasoning for the decision are determined, as well as an analysis of the gains and losses | general_qa | 457 |
The following is a multiple choice question (with answers).
===Question
The relationship between the state parameters of an ideal gas at equal sections 1 and 2 before and after adiabatic is as follows :P1__P1,h1__h2,T1__T2,s1__s2,v1__v2.
===Choices
Greater than, less than, equal to, less than, less than
Greater than, ... | Greater than, equal to, equal to, less than, less than | general_qa | 222 |
The following is a multiple choice question (with answers).
===Question
Two converging lenses of focal lengths $f_{1} = 10\ cm$ and $f_{2} = 20\ cm$ are placed at some separation. A parallel beam of light is incident on $1^{st}$ lens. Then
===Choices
If lenses are placed at such a separation that emergent beam from se... | If lenses are placed at such a separation that emergent beam from second lens is parallel, then the emergent beam width is $2 cm$ if original beam has a width of $1 cm$ | general_qa | 452 |
The following is a multiple choice question (with answers).
===Question
The main mechanism by which inadequate perfusion of the gastrointestinal tract and liver leads to the deterioration of shock is ()
===Choices
systemic inflammatory response syndrome
impaired intestinal barrier function
causing malnutrition
intesti... | intestinal endotoxemia | general_qa | 105 |
The following is a multiple choice question (with answers).
===Question
Find the sum of all positive integers $x$ such that there exists integers $a$ and $b$ that satisfy
$$$|x^2 - 92x + 2099| = 2^a3^b - 8.$$$
===Choices
837
835
836
830
839
834
833
831
838
832 | 833 | general_qa | 112 |
The following is a multiple choice question (with answers).
===Question
The lattice constant of a known Cu crystal is $a=0.35 \mathrm{~nm}$, and the shear modulus is $G=4 \times 10^{4}$ MPa. There is a dislocation $b={\frac{a} {2}} \left[ \, \overline{{1}} \, 0 \, 1 \, \right]$, with a dislocation line direction of $\l... | $$
3. 4 1 5 \times1 0^{-9} ( \mathrm{N \cdot m / m} )
$$ | general_qa | 455 |
The following is a multiple choice question (with answers).
===Question
Who did Theodore von Kármán select as his research assistant when he accepted the directorship of the Guggenheim Aeronautical Laboratory at the California Institute of Technology in 1930?
===Choices
Frank W. Wattendorf
Frank J. Malina
Frank W. Mal... | Frank Wattendorf | general_qa | 116 |
The following is a multiple choice question (with answers).
===Question
What flowers in winter and bears fruit in summer?
===Choices
Plum
Cherry
Date (fruit)
Loquat
Almond
Persimmon
Fig
Peach
Chrysanthemum
Apricot | Loquat | general_qa | 60 |
The following is a multiple choice question (with answers).
===Question
A _______ is formed when the epithelium on the wall of an unovulated follicle undergoes luteinization, leading to the formation of a cavity within the corpus luteum which then accumulates fluid.
===Choices
follicular sac
follicle bubble
luteal bub... | luteal cyst | general_qa | 109 |
The following is a multiple choice question (with answers).
===Question
A public opinion poll indicates that, among a simple random sample of 840 men and 750 women, 16% and 25%, respectively, support legislation to ban the sale of spirits nationwide. $( Z_{0.025}=1.96 \,, \, \, Z_{0.05}=1.645 )$ Please write the 95% co... | 5.03%- 12.97%. | general_qa | 250 |
The following is a multiple choice question (with answers).
===Question
Under Chinese law,If the crime was committed by Party A before September 30, 1997, but the trial did not occur until after the implementation of the Criminal Code in 1997, and both the old and new criminal laws prescribe the same punishment, then P... | The old criminal law | general_qa | 161 |
The following is a multiple choice question (with answers).
===Question
In which of the following systems, is encryption slower than decryption?
===Choices
antisymmetric cryptography
polynomial key cryptography
quantum cryptographic algorithms
parabolic curve cryptography
elliptic curve cryptography
direct point crypt... | parabolic curve cryptography | general_qa | 78 |
The following is a multiple choice question (with answers).
===Question
A certain resistive load requires a 36V DC voltage, with a maximum load current \(I_{\mathrm{d}} = 30 \mathrm{A}\). Using a single-phase fully controlled bridge rectifier circuit, does supplying power directly from 220V AC and stepping down to 72V ... | $$
5 0^{\circ},99.17(A);
$$;
$$
9 6^{\circ},44.15A
$$ | general_qa | 477 |
The following is a multiple choice question (with answers).
===Question
Please fill in the blanks with the most appropriate option based on semantics and relevant syntactic knowledge.Trente morts supplémentaires en France en l'espace d'une semaine, plus d'un millier ____ mondial au cours des sept derniers jours, dont l... | à l'échelon, l'OMS, recensées | general_qa | 261 |
The following is a multiple choice question (with answers).
===Question
The difference between vascular and medullary rays is ( ).
===Choices
Vascular rays are secondary structures and their size is not variable.
Medullary rays are secondary structures and their size is fixed.
Medullary rays are secondary structures a... | Vascular rays are secondary structures and their number is not fixed. | general_qa | 155 |
The following is a multiple choice question (with answers).
===Question
Consider the spatially steady irrotational motion of an incompressible fluid. If there are point sources with intensities $Q_{1}, Q_{2}, \cdots, Q_{n}$ at the points $\boldsymbol{r}_{1}, \boldsymbol{r}_{2}, \cdots, \boldsymbol{r}_{n}$, give the for... | $$
Q_{1} \rho\sum_{k=2}^{n} \frac{Q_{k} ( \boldsymbol{r}_{k}-\boldsymbol{r}_{1} )} {4 \pi\mid\boldsymbol{r}_{k}-\boldsymbol{r}_{1} \mid^{3}}
$$ | general_qa | 838 |
The following is a multiple choice question (with answers).
===Question
What is the primary focus of a chiropractor's treatment methods?
===Choices
To provide nutritional counseling for athletes
To perform surgical procedures on the spine
To develop personalized exercise routines for flexibility
To utilize manual mani... | To utilize manual manipulation to correct musculoskeletal alignment | general_qa | 112 |
The following is a multiple choice question (with answers).
===Question
Arrange the infinitesimal quantities $\alpha=\sqrt{1+x^{2}}-\cos x \, \quad\beta=\int_{0}^{1 n ( 1-x^{2} )} \sin t \mathrm{d} t \, \quad\gamma=\mathrm{a r c s i n x}-\mathrm{x}$ at $x \to0$ so that after them is the infinitesimal of the previous or... | $$
\ \alpha, \ \gamma, \ \beta
$$ | general_qa | 219 |
The following is a multiple choice question (with answers).
===Question
Ag underwent deformation of 26%. The measured values are $\Delta E_{V} \approx 16.7 \mathrm{~J/mol}$, $\sigma=4 \times 10^{-5} \mathrm{~J/cm}^{2}$. It is known that $A_{r}=107.9$. With $\rho=10.49 \mathrm{~g/cm}^{3}$, find out how large L should be... | $$\approx4. 9 3\times1 0^{-5} ~ c m$$ | general_qa | 341 |
The following is a multiple choice question (with answers).
===Question
Electrical resistivity method is based on measurement of a __.
===Choices
Magnetic field
Current
Thermal conductivity
Specific resistance
Nuclear decay
Acoustic impedance
Mechanical stress
Potential drop
Optical density
Voltage | Specific resistance | general_qa | 63 |
The following is a multiple choice question (with answers).
===Question
10 litre of alkane X require 35 litre of ${O_2}$ for complete combustion. X forms only one monochloro derivative Y. The action of alcoholic KOH on Y yields
===Choices
$$C{H_3}C{H_2}C{H_2}O{H}$$
$$C{H_3}C{H_2}C{H_2}OH$$
$$C{H_3}C{H_2}C{H_2}CH_2OH$$... | $$C{H_2}C{H_2}C{H_2}OH$$ | general_qa | 306 |
The following is a multiple choice question (with answers).
===Question
What are the prominent characteristics of combat in information warfare?
===Choices
Unmanned operations, data monitoring, traditional combat
Information dominance, system-based operations, precision strikes
Strategic guidance, localized breakthrou... | Information dominance, system-based operations, precision strikes | general_qa | 135 |
The following is a multiple choice question (with answers).
===Question
Which of the following organizations are all subject to the UCMJ?
===Choices
Navy, Air Force, Army, National Guard
Navy, Marines, Air Force, Army
Navy, Marines, Air Force, National Guard
Coast Guard, Air Force, Marines, National Guard
Navy, Marine... | Navy, Marines, Air Force, Army | general_qa | 147 |
The following is a multiple choice question (with answers).
===Question
If the potential energy of interaction between molecules is approximately independent of the distance between them, then what is the total potential energy among the gas molecules?
===Choices
Generally categorized as a non-conservative quantity
Al... | Neither an intensive nor an extensive quantity | general_qa | 123 |
The following is a multiple choice question (with answers).
===Question
The ophiolite suite is a "trinity" symbiotic complex consisting of __, __, and pelagic sediments representing the components of the oceanic crust.
===Choices
Ultrabasic-basic rocks, fine-grained basalt
Ultrabasic-mafic rocks, pillow basalt with fi... | Ultrabasic-basic rocks, pillow basalt | general_qa | 201 |
The following is a multiple choice question (with answers).
===Question
Which of the following is a correct thermodynamic relation for ideal gases?
===Choices
$${\left( {\frac{{\partial G}}{{\partial T}}} \right)_P} = 0$$
$${\left( {\frac{{\partial H}}{{\partial T}}} \right)_P} = 0$$
$${\left( {\frac{{\partial S}}{{\p... | $${\left( {\frac{{\partial S}}{{\partial T}}} \right)_P} = 0$$ | general_qa | 212 |
The following is a multiple choice question (with answers).
===Question
The wave function for the wave pulse is $ Y (X,t) = \frac {0.1a^3}{a^2 +(X-Vt)^2} with a = 4 cm. At X = 0 $ The displacement y (x,t) is observed to decreases from its maximum value to half of that value in time $ t = 2 \times 10^{-3} s $ choose th... | The wave pulse is moving is negative X direction with speed 10 m/s | general_qa | 282 |
The following is a multiple choice question (with answers).
===Question
Where does the transition from amplified ground acceleration to ground acceleration for 5% critical damping ratio ends?
===Choices
40
29
27
30
12
21
25
34
17
9 | 17 | general_qa | 65 |
The following is a multiple choice question (with answers).
===Question
The "interlude" in the aria was formed during _____;
===Choices
Milanese opera school
Viennese opera school
Roman school
Florentine opera school
Venetian opera school
Neapolitan opera school
Parisian opera school
Genoese opera school
Venetian scho... | Venetian opera school | general_qa | 84 |
The following is a multiple choice question (with answers).
===Question
In which year were gender characteristics terms first defined in Maltese national law?
===Choices
2018
2014
2010
2017
2011
2015
2012
2019
2013
2016 | 2015 | general_qa | 82 |
The following is a multiple choice question (with answers).
===Question
The usual dividing line between longwave and shortwave radiation is _____.
===Choices
15um
10um
14um
8um
20um
12um
18um
25um
5um
6um | 10um | general_qa | 67 |
The following is a multiple choice question (with answers).
===Question
When using the direct method to determine the weight coefficients and integration points for multi-point Gauss integration, the type of equation that needs to be solved is ______.
===Choices
integral equation
system of nonlinear equations
system o... | system of nonlinear equations | general_qa | 105 |
The following is a multiple choice question (with answers).
===Question
For a circuit with coupled inductance, the coupling coefficient k between the two coils is 0.7. If the current in the primary coil increases, what is the direction of the electromotive force generated in the secondary coil?
===Choices
Same as the ... | Opposite to the current in the primary coil | general_qa | 156 |
The following is a multiple choice question (with answers).
===Question
Two point charges ${ q }_{ 1 }\left( \sqrt { 10 } \mu C \right) $ and ${ q }_{ 2 }\left( -25\mu C \right) $ are placed on the x-axis at x=1 m and x=4 m respectively. The electric field (in v/m) at a point y=3 m on y-axis is,
===Choices
$$\left( 63... | $$\left( 63\hat { i } -27\hat { j } \right) \times { 10 }^{ 2 }$$ | general_qa | 460 |
The following is a multiple choice question (with answers).
===Question
Which part of the Ephedra plant is used for medicinal purposes?
===Choices
Rooted whole herb
The mature root system
Aerial Stem
Above Ground Section
Upper strict shoot
Middle woody root
The entire plant
Herbaceous stem
Freshly picked leaves
Dried ... | The entire plant | general_qa | 77 |
The following is a multiple choice question (with answers).
===Question
Given a positive integer $x$, define the function $p_x(o) = \prod_{{k=1}}^x \cos(ko)$.Determine the smallest $x$ such that the absolute value of the second derivative at zero satisfies $|p_x''(0)| > 89688$.
===Choices
60
63
62
66
68
61
64
65
67
69 | 65 | general_qa | 114 |
The following is a multiple choice question (with answers).
===Question
Un sociologue, Léo Moulin, a calculé, pour les sciences expérimentales (physique, chimie, médecine et biologie), un « indice Nobel », c'est-à-dire le nombre des prix Nobel de sciences par million d'habitants. Rapporter le nombre de ces prix Nobel à... | Il s'agit d'une coïncidence si c'est une Académie protestante qui a récompensé plus de lauréats originaires des pays protestants. | general_qa | 857 |
The following is a multiple choice question (with answers).
===Question
A man of height 1.47 m stands on a straight road on a hot say. The vertical temperature in the air results in a variation of refractive index with height y as $\mu = \mu_o (1+ay) $ where $\mu_o$ is the refractive index of air near the road and $lp... | 700 m | general_qa | 175 |
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