problem stringlengths 145 4.09k | solution stringlengths 1 1.29k | task_type stringclasses 1
value | problem_tokens int64 36 895 |
|---|---|---|---|
The following is a multiple choice question (with answers).
===Question
The meshing device that makes the grinding wheel rotate at high speed is as follows: Rod $IV$ rotates about axis $O_{1}$ with an angular velocity of $\omega_{4}$ using a special handle. At the end of the rod, $O_{2}$ is equipped with a pin, which l... | $$
r_{1}=\frac{1} {1 1} r_{3}
$$ | general_qa | 463 |
The following is a multiple choice question (with answers).
===Question
What is the method used for testing coliform bacteria?
===Choices
total viable count
membrane filtration test
most probable number
turbidity measurement
direct plate count
serial dilution method
spectrophotometric assay
biochemical oxygen demand
s... | most probable number | general_qa | 73 |
The following is a multiple choice question (with answers).
===Question
There is a gas-liquid chromatography column that is $2 \mathbf{m}$ long. When the linear velocity of the mobile phase is 4.0, 6.0, and 8.0 cm/s respectively, the corresponding theoretical plate numbers are 781, 985, and 1105. What is the number of ... | $$
1. 1 9 \times1 0^{3}
$$ | general_qa | 291 |
The following is a multiple choice question (with answers).
===Question
What is the concept of national security that transcends the main body of the state and the narrow thinking of one country's security, regards human security as the fundamental goal of national security, weakens the role of violence and war, emphas... | Non-traditional national security concept | general_qa | 140 |
The following is a multiple choice question (with answers).
===Question
A real gas obeying Vander Waal equation has $a = 6.72 atm -lit^2 \,mol^{-2}$ and $b = 0.273 \,lit \,mol^{-1}$. At what temperature substances will exist only in gaseous state irrespective of pressure.
===Choices
$$350 \,K$$
$$300 \,K$$
$$250 \,K$$... | $$400 \,K$$ | general_qa | 170 |
The following is a multiple choice question (with answers).
===Question
First-order series reaction $\mathrm{A} \stackrel{k_{1}}{\longrightarrow} \mathrm{P} \stackrel{k_{2}}{\longrightarrow} \mathrm{S}$
$$
(-r_{\mathrm{A}}) \!=\! k_{1} c_{\mathrm{A}}, \qquad r_{\mathrm{P}} \!=\! k_{1} c_{\mathrm{A}} \!-\! k_{2} c_{\mat... | 3.08 | general_qa | 354 |
The following is a multiple choice question (with answers).
===Question
In which newspaper was the novel 'Lost Paradise,' published by Kodansha in 1997, first serialized?
===Choices
Nikkei Business Online (Japan)
Mainichi Shimbun (Japan)
Sankei Shimbun (Japan)
Nikkei Business Daily (Japan)
Tokyo Shimbun (Japan)
Yomiur... | Nikkei (Japan Economic News) | general_qa | 128 |
The following is a multiple choice question (with answers).
===Question
A three-phase induction motor operates on a power grid with $\mathrm{U}_{\mathrm{N}}=380 \, \mathrm{V}$ and $\mathrm{f}=50 \, \mathrm{Hz}$, with its stator windings connected in a delta (triangle) configuration. It is known that the electromotive f... | 0.0053wb | general_qa | 241 |
The following is a multiple choice question (with answers).
===Question
A draft for $800, due in 3 months and bearing interest at 4(1/2)%, was discounted 60 days before it was due. If the discount rate was 5%, what were the proceeds?
===Choices
$809.00
$795.00
$790.26
$812.34
$800.00
$810.00
$807.50
$805.26
$802.26
$8... | $802.26 | general_qa | 145 |
The following is a multiple choice question (with answers).
===Question
Consider the following complex formation reactions and comment on their formation constant value
(i) $Fe^{2+} (aq) + 6NH_3 \ \ \ {\stackrel{K_f}{ \rightleftharpoons}} \ \ \ [Fe(NH_3)_6]^{2+}$
(i) $Fe^{2+} (aq) + 3en \ \ \ {\stackrel{K'_f}{ \rightl... | $$K_f > K'_f$$ | general_qa | 210 |
The following is a multiple choice question (with answers).
===Question
The X-ray characteristics of the cavities formed by peripheral lung cancer are ().
===Choices
Thin wall, eccentricity, smooth outer wall surface, noticeable fluid level
Thin wall, uniformity, irregular outer wall surface, ambiguous fluid level
Thi... | Thick wall, eccentricity, uneven inner wall surface, no obvious fluid level | general_qa | 186 |
The following is a multiple choice question (with answers).
===Question
"Facial palsy' in Herpes Zoster infection is seen in
===Choices
Hunt Ramsay syndrome
Sturge Weber syndrome
Hunt Ramsee syndrome
Guillian Barre syndrome
Ramsay Hunt syndrome variant
Meckerson Rosenthal syndrome
Ramsay Hunt syndrome (with ear rash)
... | Ramsay Hunt syndrome | general_qa | 95 |
The following is a multiple choice question (with answers).
===Question
What are the two main categories of sedimentary rock-forming minerals based on their origin?
===Choices
contaminant mineral, Authigenic Minerals
metamorphic slate, Authigenic Minerals
fragmental quartz, Chemical Minerals
igneous rock, Authigenic M... | contaminant mineral, Authigenic Minerals | general_qa | 121 |
The following is a multiple choice question (with answers).
===Question
You have applied to three medical schools: University of California at San Francisco (UCSF), Duluth School of Mines (DSM), and Harvard (H). You guess that the probabilities you'll be accepted are: $p ( \mathrm{U C S F} ) \,=\, 0. 1 0, \, \, p ( \ma... | 0.685 | general_qa | 215 |
The following is a multiple choice question (with answers).
===Question
A particle of m = 2kg is moving with constant speed 15 m/s along a curved path $y={ x }^{ 2 }.$ Find its angular momentum about origin O when its velocity vector is at $53^{ \circ }$ whit x-axis $(in kg m^{ 2 }/s)$
===Choices
16
8
14
18
15
12
4
1... | 12 | general_qa | 114 |
The following is a multiple choice question (with answers).
===Question
Who has been credited with founding the first school of journalism?
===Choices
Ida B. Wells
John Peter Zenger
Walter William
Adolph S. Ochs
Nellie Bly
William Randolph Hearst
Jacob Riis
Joseph Pulitzer
Horace Greeley
Edward R. Murrow | Walter William | general_qa | 79 |
The following is a multiple choice question (with answers).
===Question
The saying "After a major disaster comes a major epidemic" refers to the occurrence of widespread infectious diseases often following flood disasters. Which of the following explanations do you think is the most accurate?
===Choices
Flooding leads... | After flooding disasters, the marshy ground provides excellent conditions for the mass reproduction of parasites' hosts. | general_qa | 248 |
The following is a multiple choice question (with answers).
===Question
Set $A=\left( \begin{matrix} {{{0}}} & {{{-1}}} & {{{0}}} \\ {{{1}}} & {{{0}}} & {{{0}}} \\ {{{0}}} & {{{0}}} & {{{-1}}} \\ \end{matrix} \right), B=P^{-1} A P$, $P$ for third-order invertible matrix, the $B_{2 0 0 4} - 2 A_ {2}$ value is how much?
... | $$
\left( \begin{matrix} {{{3}}} & {{{0}}} & {{{0}}} \\ {{{0}}} & {{{3}}} & {{{0}}} \\ {{{0}}} & {{{0}}} & {{{-1}}} \\ \end{matrix} \right)
$$ | general_qa | 688 |
The following is a multiple choice question (with answers).
===Question
what is the value of $\int_{0}^\pi (sin(123*x/2)/sin(x/2))^2dx$? Round the answer to the thousands decimal.
===Choices
123.4567890
789.0123456
987.6543210
61.7039449
654.3210987
246.9135780
159.2356688
386.4158898
512.3456789
456.7890123 | 386.4158898 | general_qa | 174 |
The following is a multiple choice question (with answers).
===Question
According to Gauss's theorem in dielectrics, the integral of the electric displacement vector along any closed surface in a dielectric is equal to the algebraic sum of the free charges enclosed by that surface. Which of the following conclusions is... | The electric displacement vector in a dielectric is related to the distribution of both free charges and polarization charges. | general_qa | 194 |
The following is a multiple choice question (with answers).
===Question
If the displacement of a particle as a function of velocity is given by $x=2-v$ (k is a positive constant) then velocity of the particle as a function of time t will be (given its position is zero at t=0)
===Choices
$$v=1-e^{-t}$$
$$v=2(e^{-t})$$
... | $$v=2(e^{-t})$$ | general_qa | 169 |
The following is a multiple choice question (with answers).
===Question
What generally does a quality of life assessment include?
===Choices
The size of the household to which an individual belongs
The basic economic status of the neighborhood
Frequency of community interactions
The maximum education level achieved
Pe... | Personal Physiological State | general_qa | 93 |
The following is a multiple choice question (with answers).
===Question
A 0.100 l container maintained at constant temperature contains 5.0 × 10^10 molecules of an ideal gas. How many molecules remain if the volume is changed to 0.005 l? What volume is occupied by 10,000 molecules at the initial temperature and pressur... | 5.0 x 10^10 molecules, 2 x 10^-8 l | general_qa | 300 |
The following is a multiple choice question (with answers).
===Question
_____are complete crystalline aggregates that develop on the walls of cavities or holes in rocks and consist of a group of complete crystals.
===Choices
Group holes
Rock aggregates
Crystal holes
Holes clusters
Crystal formations
Aggregate walls
Ro... | Crystal clusters | general_qa | 78 |
The following is a multiple choice question (with answers).
===Question
For how many consecutive terms was the Indian politician Babanrao Shankar Gholap, alias Nana, elected to the Vidhan Sabha?
===Choices
3
9
2
10
4
8
6
11
7
5 | 5 | general_qa | 68 |
The following is a multiple choice question (with answers).
===Question
Two smooth blocks are placed at a smooth corner as shown in $Fig. 6.380$. Both the blocks are having mass m. We apply a force F on the small block m. Block a presses blocks B in the normal direction, due to which pressing force on vertical wall wil... | $$mg+\dfrac { 4F }{ 3 } $$ | general_qa | 297 |
The following is a multiple choice question (with answers).
===Question
There is a solenoid with a radius of 5 cm and a length of 50 cm, carrying a current of 10 A. To generate a magnetic field of 0.1 T at its center, how many turns should there be per unit length? What is the total length of wire required?
===Choices... | $$
8 \; 1 1 5 \; \mathrm{m}^{-1},\ 1 \; 2 7 5 \; \mathrm{m}
$$ | general_qa | 491 |
The following is a multiple choice question (with answers).
===Question
$z < 0$ represents free space, while the region where $z > 0$ is a conductive medium ($\varepsilon = 20 \; \mathrm{pF/m}$, $\mu = 5 \; \mathrm{\mu H/m}$, and $\sigma = 0.004 \; \mathrm{S/m}$). A uniform plane wave is incident perpendicularly on the... | $$
= 9 7. 8 e^{-0. 7 8 t} \operatorname{c o s} {( 1 0^{8} t-1. 2 7 z+1 6. 8^{\circ} )} \ \mathrm{V / m}
$$ | general_qa | 874 |
The following is a multiple choice question (with answers).
===Question
What is the eutectic mixture formed when liquid iron-carbon alloy undergoes eutectic transformation around 1147°C called?
===Choices
Leiderburrite
Pearlite
Leidburite
Leidburrite
Leiderburite
Leiderburitte
Lederburite
Leidburitte
Austenite | Lederburite | general_qa | 90 |
The following is a multiple choice question (with answers).
===Question
For all $n \geq 1$, let \[ a_n = \sum_{k=1}^{n-1} \frac{\sin \left( \frac{(2k-1)\pi}{2n} \right)}{\cos^2 \left( \frac{(k-1)\pi}{2n} \right) \cos^2 \left( \frac{k\pi}{2n} \right)}. \] Determine \[ \lim_{n \to \infty} \frac{a_n}{n^3}. \]
===Choices
... | \frac{8}{\pi^3} | general_qa | 231 |
The following is a multiple choice question (with answers).
===Question
From the perspective of a plant's growth requirements, the presence of gravitational water is transient, and it occupies the air channels, limiting root respiration which makes it difficult for plants to utilize. This is considered ____.
===Choice... | excess water | general_qa | 97 |
The following is a multiple choice question (with answers).
===Question
The ___ and ___ in environmental rights are indivisible.
===Choices
basic rights; obligations
fundamental benefits; constraints
standard laws; responsibilities
elementary regulations; commitments
primary responsibilities; privileges
central freedo... | basic rights; obligations | general_qa | 80 |
The following is a multiple choice question (with answers).
===Question
What was the first daily newspaper in the United States?
===Choices
The Pennsylvania Post
The Baltimore Bulletin
The Philadelphia Sentinel
The Charleston Clarion
The New York Gazette
The Albany Dispatch
The Richmond Reporter
The Hartford Journal
T... | The Pennsylvania Post | general_qa | 69 |
The following is a multiple choice question (with answers).
===Question
For a certain non-ideal gas, the interaction potential between molecules is given by
$$
\Phi\left( r \right)=\xi\mathrm{exp} \left( -\alpha r^{2} \right)
$$
If $\xi$ is very small, the partition function can be expanded as a power series in $\xi$. ... | $$
- \frac{\mathrm{N k T}} {\mathrm{V}}+\left( \frac{\mathrm{N}} {\mathrm{V}} \right)^{2} \ \frac{1} {2} \xi\ \left( \frac{\pi} {\alpha} \right)^{3 / 2}
$$ | general_qa | 684 |
The following is a multiple choice question (with answers).
===Question
A homeowner put her home up for sale.
A buyer went to look at the home. The homeowner told the buyer in good faith, "I truly believe that home values in this area are going to go through the roof in the next couple of years." Relying on this statem... | The homeowner was an urban planner in the city, and the buyer knew it. | general_qa | 265 |
The following is a multiple choice question (with answers).
===Question
A waveguide with dimensions $a \times b = 72.14 \, \mathrm{mm} \times 34.04 \, \mathrm{mm}$ is transmitting a wavelength of 10 cm in the $\mathbf{TE}_{10}$ mode. If the waveguide material is brass and the waveguide length is 100 m, calculate its co... | $$
3. 7 3 ~ \mathrm{d B}
$$ | general_qa | 271 |
The following is a multiple choice question (with answers).
===Question
Dilute HCl, dilute H2SO4, dilute HNO3 used in pharmacopoeia refer to the concentration of ( ).
===Choices
12.5%~13.5%(g/mL)
4.5%~5.5%(g/mL)
9.5%~10.5%(g/mL)
5.0%~6.0%(g/mL)
8.5%~9.5%(g/mL)
10.0%~11.0%(g/mL)
6.5%~7.5%(g/mL)
8.0%~9.0%(g/mL)
11.0%~12... | 9.5%~10.5%(g/mL) | general_qa | 175 |
The following is a multiple choice question (with answers).
===Question
The power of gravitational radiation emitted by the Moon in its orbit around the Earth is (). (Earth's mass = $6 \times 10^{24} \ \mathrm{kg}$, Moon's mass = $7.4 \times 10^{22} \ \mathrm{kg}$, average Earth-Moon distance = $3.8 \times 10^{5}$ km, ... | 5mW | general_qa | 155 |
The following is a multiple choice question (with answers).
===Question
Cranial nerve palsies due to high cranial pressure are prone to ____.
===Choices
Outplay I
Outwork E
Outreach N
Outbreak M
Outvote F
Outgrow J
Outrun G
Outshine L
Outpace H
Outlast K | Outreach N | general_qa | 73 |
The following is a multiple choice question (with answers).
===Question
In international business negotiations, businessmen who have a negotiation style that emphasizes developing interpersonal relationships are usually ( ).
===Choices
Indian businessmen
American businessmen
Russian businessmen
Canadian businessmen
Br... | Japanese businessmen | general_qa | 69 |
The following is a multiple choice question (with answers).
===Question
If the shadow price of a certain resource exceeds its market price, what does that imply?
===Choices
The resource is scarce
The resource is irrelevant to the enterprise's strategy
Enterprises should make full use of this resource and open up new p... | The resource is scarce | general_qa | 128 |
The following is a multiple choice question (with answers).
===Question
A rod of length l and negligible mass is suspended at its two ends by two wires of steel (wire A) and aluminium (wire B ) of equal lengths (Figure). The cross - sectional areas of wires A and B are $1.0 \ mm^2$ and $2.0 \ mm^2$, respectively. $\lef... | Mass m should be suspended close to wire A to have equal strain in both wires. | general_qa | 313 |
The following is a multiple choice question (with answers).
===Question
A neonate is born in very poor condition, with a severe, generalized encephalitis. Which of the following viruses is the most likely pathogen in this setting?
===Choices
Herpes simplex type III
Poliomyelitis virus
Eastern equine encephalitis virus... | Herpes simplex type II | general_qa | 94 |
The following is a multiple choice question (with answers).
===Question
The final time for the WTO to fully implement the results of the Uruguay Round of negotiations is in ( ).
===Choices
2006
2004
2002
2001
2000
2005
2007
2003
2008
2010 | 2005 | general_qa | 87 |
The following is a multiple choice question (with answers).
===Question
What is the value of $\bigvee_{-1}^{1} ( x-x^{3} )$?
===Choices
$$
10 \, \sqrt{2} \, / 9
$$
$$
5 \, \sqrt{3} \, / 9
$$
$$
7 \, \sqrt{3} \, / 9
$$
$$
8 \, \sqrt{2} \, / 9
$$
$$
11 \, \sqrt{2} \, / 9
$$
$$
9 \, \sqrt{3} \, / 9
$$
$$
6 \, \sqrt{3} \,... | $$
8 \, \sqrt{3} \, / 9
$$ | general_qa | 225 |
The following is a multiple choice question (with answers).
===Question
In Arabidopsis thaliana, the gene locus that determines pod length (L for long pods, l for short pods) and the gene locus that determines fruit hairiness (H for hairy, h for smooth) are located on the same chromosome, 16 map units (cM) apart. The F... | 0.182 | general_qa | 180 |
The following is a multiple choice question (with answers).
===Question
_______ locate morality beyond the sphere of rationality in an emotional 'moral impulse' towards others.
===Choices
Ethical egoism
Deontological ethics
Ethics of care
Ethics of duty
Utilitarian ethics
Consequentialist ethics
Relativist ethics
Virt... | Postmodern ethics | general_qa | 85 |
The following is a multiple choice question (with answers).
===Question
Which blood vessel has the worst myogenic autoregulation?
===Choices
Adipose Tissue Vessels
Skeletal Muscle Vessels
Cerebrovascular
Pulmonary Blood Vessels
Bone Blood
Hepatic Blood Vessels
Skin blood vessels
Intestinal Blood Vessels
Renal Blood Ve... | Skin blood vessels | general_qa | 92 |
The following is a multiple choice question (with answers).
===Question
A 26 -year-old male falls from the ladder and had suffered an intense head injury with moderate bleeding . suffers from head injury after falling from a ladder and bleeding in his head. During surgery , neurosurgeon noticed loss of sensation in the... | Trigeminal nerve | general_qa | 133 |
The following is a multiple choice question (with answers).
===Question
Above an infinite conducting plane, two types of dielectric materials are symmetrically placed on the left and right, with dielectric constants $\varepsilon_{1}$ and $\varepsilon_{2}$, respectively. In the first dielectric medium, at a point locate... | $$
q^{\prime}={\frac{\varepsilon_{1}-\varepsilon_{2}} {\varepsilon+\varepsilon_{2}}} q
$$ | general_qa | 544 |
The following is a multiple choice question (with answers).
===Question
When a perfectly competitive labor market is in equilibrium,
===Choices
individual firms face downward sloping labor demand curves
wages are dictated by the government
there is a surplus of jobs and a shortage of workers
everyone who wants to work... | everyone who wants to work has the opportunity to do so | general_qa | 132 |
The following is a multiple choice question (with answers).
===Question
\( \int_{0}^{\frac{\pi }{4}} { { {cos }^{8}}2xdx} \) = ( )
===Choices
\( \frac{35}{512}\pi \)
\frac{35}{768}\pi
\( rac{35}{1024}\pi \)
\frac{35}{1024}\pi
\frac{35}{256}\pi
\frac{35}{128}\pi
\( rac{35}{256}\pi \)
\frac{35}{2048}\pi
\( rac{35}{12... | \( \frac{35}{512}\pi \) | general_qa | 181 |
The following is a multiple choice question (with answers).
===Question
Why do ruminants need to supplement bypass protein?
===Choices
To promote rumen microbial protein synthesis
Improve overall metabolic energy availability
Improve feed palatability
Support higher milk production levels
Enhance intestinal digestion
... | To promote rumen microbial protein synthesis | general_qa | 93 |
The following is a multiple choice question (with answers).
===Question
According to Evan and Freeman (1993), the Principle of ________ and the Principle of _______ can be used in a specific situation to determine who constitutes a _______.
===Choices
Corporate rights, Corporate liability, Shareholder
Corporate respon... | Corporate rights, Corporate effect, Stakeholder | general_qa | 145 |
The following is a multiple choice question (with answers).
===Question
An irreversible gas-solid catalytic reaction has a reaction rate of
$$
(-r_{\mathrm{A}} ) \!=\! k c_{\mathrm{A}} \!=\! 10^{-6} \, \mathrm{mol} / (\mathrm{s \cdot cm}^{3})
$$
When $c_{\mathrm{A}} \!=\! 10^{-2} \, \mathrm{mol/L}$, the pressure is 0.1... | $$
R_{\mathrm{P}} \!=\! 0. \ 1 \mathrm{c m} \!
$$ | general_qa | 489 |
The following is a multiple choice question (with answers).
===Question
A body weighs 20 N and 10 N when weighed under submerged conditions in liquids of relative densities 0.8 and 1.2 respectively. Determine its volume and weight in air.
===Choices
$$
2. 8 8 4 0 \mathrm{~ L}
$$
$$
4 5 \ \mathrm{N}
$$
$$
2. 6 0 3 9 \m... | $$
2. 5 5 3 6 \mathrm{~ L}
$$
$$
4 0 \ \mathrm{N}
$$ | general_qa | 387 |
The following is a multiple choice question (with answers).
===Question
What kind of diet does loach have?
===Choices
Omnivorous
Piscivorous
Granivorous
Folivorous
Frugivorous
Insectivorous
Nectariv
Herbivorous
Carnivorous
Molluscivorous | Omnivorous | general_qa | 74 |
The following is a multiple choice question (with answers).
===Question
Suppose you discovered a new species of bioluminescent worm . How could you prove that it was the worm itself and not some contaminating bacteria that was producing the light ?
===Choices
Use spectroscopy to analyze the light's wavelength signatur... | Place the light-producing substance in complete growth media or physically examine the light-emitting substance under a microscope. | general_qa | 215 |
The following is a multiple choice question (with answers).
===Question
At given temperature, density of gas x is twice as that of gas y and moral mass of x is one third of gas y. The ratio of their pressure will be
===Choices
$$\dfrac{P_(x)}{P_(y)} = \dfrac{8}{3}$$
$$\dfrac{P_(x)}{P_(y)} = 3$$
$\dfrac{P_(x)}{P_(y)}$ ... | $\dfrac{P_(x)}{P_(y)}$ = $4$ | general_qa | 266 |
The following is a multiple choice question (with answers).
===Question
At present, there are three major trends in coastal zone research: (1) research methods tend to ____; (2) Research focuses on major issues related to resources, environment and human activities; (3) Research methods tend to _____.
===Choices
singl... | multidisciplinary intersection, advanced technology and informatization. | general_qa | 176 |
The following is a multiple choice question (with answers).
===Question
To develop an athlete's anaerobic lactic energy supply capacity using interval training methods, if running is employed, the typical load is ()
===Choices
$$82\% to 92\% intensity$$
$$Distance of 100 meters$$
$$Over 95\% intensity$$
$$60\% to 70\%... | $$80\% to 90\% intensity$$ | general_qa | 171 |
The following is a multiple choice question (with answers).
===Question
When a person's thinking development is at a stage where 'everyone has a different perspective on a problem', what stage is their thinking development at?
===Choices
Analytical stage
Subjective stage
Relativity Stage
Objectivity stage
The stage of... | The stage of pluralism | general_qa | 87 |
The following is a multiple choice question (with answers).
===Question
The signal $f(t) = \frac{10}{\pi} \text{Sa}(10t)$, whose Fourier transform $F ( j \omega)$ is ().
===Choices
$10\cdot\mathrm{sinc}(\frac{\omega}{30})$
$1 0 \cdot\mathrm{r e c t} \, ( \frac{\omega} {2 0} )$
$10\cdot\mathrm{rect}(\frac{\omega}{50})$... | $1 0 \cdot\mathrm{r e c t} \, ( \frac{\omega} {2 0} )$ | general_qa | 247 |
The following is a multiple choice question (with answers).
===Question
What is the surname of the individual who won the Perkin Prize for Organic Chemistry in 2013?
===Choices
Agraval
Agrawal
Agrawol
Aggarwal
Agrawall
Agarwal
Agrawel | Aggarwal | general_qa | 71 |
The following is a multiple choice question (with answers).
===Question
What material is commonly used for municipal underground drainage pipes?
===Choices
Stainless steel line
Welded steel pipe
PE pipe
Cast iron pipe
Galvanized steel pipe
Ceramic duct channel
Copper tubing system
Aluminum alloy tube | Cast iron pipe | general_qa | 66 |
The following is a multiple choice question (with answers).
===Question
A language 𝐿 is accepted by an 𝜖-NFA if and only if L is accepted by which type of automaton?
===Choices
DFA
None of the other choices
FSM
NFA
FSM with deterministic transitions
NFA with 𝜖-transitions
FSM with non-deterministic transitions
FSM ... | DFA | general_qa | 95 |
The following is a multiple choice question (with answers).
===Question
Works of art are often enjoyed "for art's sake" due to ().
===Choices
Economic gratification
Sensory evaluation
Cultural commodification
Cognitive pragmatism
Practical imperative
Aesthetic quantification
Emotional transactability
Non-utilitarian p... | Non-utilitarian pleasure | general_qa | 82 |
The following is a multiple choice question (with answers).
===Question
Given that the $K_{\mathrm{sp}}^{\ominus}$ of FeS is $6.3 \times 10^{-18}$, and the $K_{\mathrm{a}}^{\ominus}$ of $\mathrm{H}_{2} \mathrm{S}$ is $1.4 \times 10^{-20}$. If $\mathrm{H_{2} S}$ gas is introduced into a $0.50 \ \mathrm{mol} \ \cdot\ \ma... | $$
\mathrm{p H} <1. 9 8
$$ | general_qa | 342 |
The following is a multiple choice question (with answers).
===Question
What symptoms do women experience after tubal ligation?
===Choices
Anovulation with menstruation
Irregular ovulation and spotting
Persistent pelvic pain only
Increased menstrual bleeding occurs
Anovulation, amenorrhea
Ovulation occurs, menstruatio... | Anovulation, amenorrhea | general_qa | 95 |
The following is a multiple choice question (with answers).
===Question
The proposed design depth for the isolated foundation is $2.0 \mathrm{m}$. Given a foundation bearing capacity design value of $f_{\mathrm{a}}=226 \mathrm{kPa}$, an upper structure load of $N=1600 \mathrm{kN}$, $M=400 \mathrm{kN} \cdot \mathrm{m}$,... | $$
3. 6 \mathrm{m} \times3. 2 \mathrm{m}
$$ | general_qa | 365 |
The following is a multiple choice question (with answers).
===Question
In which year did George Bentham change the name of *Hedaroma pinifolium* to *Pimelea pinifolia*?
===Choices
1866
1855
1865
1868
1862
1875
1864
1856
1863
1867 | 1865 | general_qa | 96 |
The following is a multiple choice question (with answers).
===Question
Which of the following chords belongs to the first inversion of a major-minor seventh chord (including close and open position)?
"A": "L:1/4
M:4/4
K:C
[F,B,DG]4 |] %1", "B": "L:1/4
M:4/4
K:C
[A,_EFc]4 |] %1", "C": "L:1/4
M:4/4
K:C
[^^F,^A,^C^D]4 |]... | BC | general_qa | 174 |
The following is a multiple choice question (with answers).
===Question
A $\alpha$ particle beam with a current of 200 microamperes passes through 1 cubic centimeter of nitrogen at 76 cmHg and 0°C. If all the nitrogen nuclei in 1 cubic centimeter are concentrated on a 1 square centimeter surface, the number of nuclear ... | 0.04 bar | general_qa | 173 |
The following is a multiple choice question (with answers).
===Question
Gauss said, "There is a theorem that I sought to prove for many years without success. Finally, two days ago, I succeeded... like a bolt of lightning, the mystery was instantly solved. I can't even explain what connection linked my previous knowled... | The Suddenness of Achievements | general_qa | 148 |
The following is a multiple choice question (with answers).
===Question
If the binary information rate is $R_{b}$ bps, under the conditions of independent occurrence of transmitted and idle signals, the main lobe width of the power spectral density for bipolar return-to-zero (half-duty cycle) code sequence is ____ Hz, ... | $2 R_{b}, R_{b}$ | general_qa | 214 |
The following is a multiple choice question (with answers).
===Question
Among the following groups of sentences, which group consists entirely of sentences expressing the author's negative intention?
①大变古先圣王之法
②喜为异说而不让
③其言愚人之所惊,小人之所喜也
④焚烧夫子之六经
⑤其高谈异论有以激之也
⑥荀卿明王道,述礼乐
===Choices
①, ④, ⑥
③, ④, ⑥
②, ④, ⑤
①, ③, ④
③, ⑤, ⑥
①... | ②, ③, ⑤ | general_qa | 215 |
The following is a multiple choice question (with answers).
===Question
A point charge $q=100 \mu C$ is located in the x-y plane at the point with position vector \[ \vec{r_0} = 2 \hat{i} + 3 \hat{j} + \hat{k} \] What is the electric field vector(in kV/m) at the point with position vector \[ \vec{r} = 8 \hat{i} - 5 \ha... | $$54 \hat{i} - 72 \hat{j}$$ | general_qa | 302 |
The following is a multiple choice question (with answers).
===Question
The process by which managers motivate employees through various measures and means to meet their needs, stimulating their work motivation, mobilizing their potential abilities and creativity, thereby efficiently achieving the project team's goals ... | project team member motivation | general_qa | 107 |
The following is a multiple choice question (with answers).
===Question
The Kraelau equation determines the () of the geodetic line on the ellipsoid, and the geodetic azimuth A=60° when a geodetic line crosses the equator, the minimum parallel circle radius that can be achieved is () times that of the major semi-axis A... | Approach, √3/2 | general_qa | 158 |
The following is a multiple choice question (with answers).
===Question
A cylindrical metal tube has a length of $50\ cm$ and is open at both ends. The frequencies between $1\ kHz$ to $2\ kHz$ at which the air column in the tube resonates are $($the temperature on that day is $20^{o}C (V_{0} = 330\ m/s)$
===Choices
10... | 1026, 1368, 1710 Hz | general_qa | 275 |
The following is a multiple choice question (with answers).
===Question
Find the increase in heat exchange between two infinite black parallel plates initially at 100°F and 200°F respectively, when the temperature difference is increased by raising the temperature of the second plate to 400°F. Assume \sigma = 0.1714 × ... | 612 Btu/hr-ft^2 | general_qa | 194 |
The following is a multiple choice question (with answers).
===Question
If all letters have the same chance of being chosen, the IC is approximately _____.
===Choices
0.042
0.035
0.065
0.038
0.075
0.045
0.067
0.050
0.048
0.060 | 0.038 | general_qa | 93 |
The following is a multiple choice question (with answers).
===Question
In electrical prospecting, the characteristics of the "Schlumberger electrode arrangement method" are__.
===Choices
The current electrode and potential electrode both gradually expand
The potential electrode and the current electrode move synchron... | The potential electrode is fixed and the current electrode is gradually expanded | general_qa | 157 |
The following is a multiple choice question (with answers).
===Question
Let $S=\{x_{1} \,, \, \, \, x_{2} \,, \, \, \cdots, \, \, \, x_{n} \}$ be a set of points in a plane, where the distance between any two points is at least 1. Therefore, there are at most _____ pairs of points with a distance of exactly $1$.
===Ch... | $3n$ | general_qa | 151 |
The following is a multiple choice question (with answers).
===Question
For a pair of cylindrical gear transmissions, when other conditions remain unchanged, if the load on the gear transmission is increased to 4 times the original load, what will happen to the contact stress on the tooth surface?
===Choices
Increase ... | Increase to 2 times the original stress | general_qa | 151 |
The following is a multiple choice question (with answers).
===Question
A homogeneous sphere with a radius of $a$ and a density of $\rho_1$ is placed in a stratified liquid. It is known that the density of the liquid at the surface is $\rho_0$. The distribution of the liquid's density is given by
$$
\rho = \rho_{\circ}... | $$
z = \frac{\rho-\rho_{0}} {\beta},
$$ | general_qa | 360 |
The following is a multiple choice question (with answers).
===Question
The waves are represented by the following equations
$y_{1} = 5 \sin 2 \pi (10t-0.1x)$
$y_2 = 10 \sin 2\pi (20t-0.2x)$
Ratio of intensities $\dfrac {I_{2} }{I_{1}}$ will be :
===Choices
$$64$$
$$8$$
32
$$4$$
$$36$$
$$1$$
$$16$$
$$2$$ | $$16$$ | general_qa | 140 |
The following is a multiple choice question (with answers).
===Question
The coefficient of the (x - 8)2 term in the Taylor polynomial for y = x2/3 around x = 8 is
===Choices
1/72
-1/72
-1/6
0
1/3
1/6
-2/3
2/3
1/144
-1/144 | -1/144 | general_qa | 94 |
The following is a multiple choice question (with answers).
===Question
Assume there is an electric field intensity $E_{0}$ perpendicular to the Earth's surface. A conductor hemisphere with a density $\rho$ and a radius $R$ is placed flat on the ground. Given that the gravitational acceleration on the ground is $g$, an... | $\\E_0 > \sqrt{\frac{8 \rho g R}{27 \epsilon_0}}$ | general_qa | 353 |
The following is a multiple choice question (with answers).
===Question
Which of the following statements is true about the economic benefits of military conversion?
===Choices
Engineers specializing in military tech can rapidly adapt their skills to civilian projects.
Large main contractors can be directly transferre... | Large main contractors can be directly transferred to civil work, but the process is complex. | general_qa | 182 |
The following is a multiple choice question (with answers).
===Question
For the original Groove Coaster game for iOS, all the original songs were by Hirokazu Koshio (COSIO) and whom?
===Choices
Shohei Tsuchiya
Shohei Tsuchiya (alias: Tsuchi)
Shohei Tsuchiya (alias: Tsuchiha-ha)
Hiroshi Tsuchiya
Shohei Tsuchiya (alias:... | Shohei Tsuchiya | general_qa | 163 |
The following is a multiple choice question (with answers).
===Question
Which statements are correct:(1) Bond angle of ${ PF }_{ 3 }>P{ Cl }_{ 3 }$. (2) Bond angle of $P{Cl}_{3}\lt P{ Br }_{ 3 }$. (3) ${ \left( { CH }_{ 3 } \right) }_{ 3 }N$ is pyramidal whereas ${ \left( Si{ H }_{ 3 } \right) }_{ 3 }N$ is planar.(4)... | $$1, 2, 3, 4, 5$$ | general_qa | 318 |
The following is a multiple choice question (with answers).
===Question
"First, Xue Wanche, the imperial son-in-law, was stripped of his name and exiled to Ningzhou as its governor. When he came to court, he became close to Yigai and expressed resentment towards him, saying, 'Now, even though I am ill in my feet, if pl... | Changsun Wujie | general_qa | 453 |
The following is a multiple choice question (with answers).
===Question
The free electron concentration (n) in the conduction band of a semiconductor at a a temperature Kelvin is described in terms of $E_g$ and T as-
===Choices
$$n=ATe^{-Eg/kT}$$
n=AT^2e^{-Eg/3kT}
n=AT^{3/2}e^{-Eg/4kT}
n=AT^{2}e^{-Eg/4kT}
$$n=AT^2e^{-... | $$n=ATe^{-Eg/kT}$$ | general_qa | 211 |
The following is a multiple choice question (with answers).
===Question
The latest age for a full set of baby teeth to come in is ___.
===Choices
28 months
54 months
30 months
35 months
18 months
45 months
24 months
50 months
60 months
40 months | 30 months | general_qa | 72 |
The following is a multiple choice question (with answers).
===Question
"Let the children observe the words and deeds of the demonstrator on the one hand, and on the other hand, under the guidance of the teacher, gradually participate in the activities and practice the relevant actions." This refers to ().
===Choices
... | On-site imitation | general_qa | 111 |
The following is a multiple choice question (with answers).
===Question
There is a spherical solid particle with a diameter of $0.1 \, \text{mm}$ settling in still air under standard atmospheric pressure and at 30°C. The settling velocity is known to be $0.01 \, \mathrm{m/s}$. Find the relative velocity between the air... | $$
= 8. 1 5 \times1 0^{-3} {\mathrm{m / s}}
$$ | general_qa | 386 |
The following is a multiple choice question (with answers).
===Question
Evaluate $\int\int\int_{E}{\left(y \cdot \ln(x)+z\right) d V}$, where $E$ is the region defined by:
$$
E = \left\{(x,y,z) | 1 \le x \le e, 0 \le y \le \ln(x), 0 \le z \le 1\right\}
$$
===Choices
7/2 - 5e/2
7/2 - 3e
7/2 - e/2
7/2 - 2e^2
7/2 - 4e
7/... | 7/2 - e | general_qa | 185 |
The following is a multiple choice question (with answers).
===Question
Two species of similar body weight share common resources. Compared to the one with a lower metabolic rate, which of the following statements is true for the one with a higher metabolic rate?
===Choices
Slow growth rate
Reduced resource demand.
Gr... | Large population fluctuations | general_qa | 102 |
The following is a multiple choice question (with answers).
===Question
In each of the following total pressure set-up at equilibrium is assumed to be equal and is one atm with equilibrium constants $K_p$ given:
1. $CaCO_3(s) \rightleftharpoons CaO(s) + CO_2(g), K_1$
2. $NH_4HS(s) \rightleftharpoons NH_3(g) + H_2S(g), ... | $$K_3 < K_2 < K_1$$ | general_qa | 276 |
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