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
Rossby asked:Define the average ground-turning wind between how many degrees as the westerly wind index?
===Choices
10°~30°.
45°~65°.
30°~50°.
15°~35°.
35°~55°.
40°~60°.
20°~40°.
25°~45°.
55°~75°.
50°~70°. | 35°~55°. | general_qa | 120 |
The following is a multiple choice question (with answers).
===Question
In which month and year was Service Pack 3 for Windows Fundamentals for Legacy PCs released?
===Choices
October 2008
July 2008
February 2009
September 2008
January 2009
December 2008
June 2008
May 2008
November 2008
August 2008 | October 2008 | general_qa | 105 |
The following is a multiple choice question (with answers).
===Question
Which of the following descriptions about genetic issues in seed plants is correct?
===Choices
The seed coat or fruit pericarp tissue demonstrates paternal genetic dominance in its developmental stages.
The seed coat or fruit pericarp tissue is en... | Certain traits of the paternal parent can be directly expressed in the characteristics of the endosperm. | general_qa | 236 |
The following is a multiple choice question (with answers).
===Question
'What is the effect of the "three supplements" in Liuwei Dihuang Wan on immunoglobulins caused by "three diarrheas"?
===Choices
Increase
Neutralize
Regulate
Decrease
No effect
Stabilize
Reduce
Maintain
Eliminate | Increase | general_qa | 73 |
The following is a multiple choice question (with answers).
===Question
Find the solubility of $Ag_2C_ro_4$ $\left( {ksp = 1.1 \times {{10}^{ - 12}}} \right)$ in a $sol^n$ having $0.1$m $AgNO_3$
===Choices
$${1.1 \times 10^{-16}}$$
$${1.1 \times 10^{-8}}$$
$${1.1 \times 10^{-14}}$$
$${1.1 \times {{10}^{ - 9}}}$$
$${1.... | $${1.1 \times {{10}^{ - 12}}}$$ | general_qa | 245 |
The following is a multiple choice question (with answers).
===Question
What type of injection can be made for drugs that are soluble in water and stable in aqueous solutions?
===Choices
Liquid solution
Dissolved injection
Emulsion injection
Solution injection
Aqueous injection
Fluid injection
Suspension injection
Liq... | Solution injection | general_qa | 77 |
The following is a multiple choice question (with answers).
===Question
In the analysis of foundation stability, when using the circular arc method, which measurement should be used for the soil's shear strength index?
===Choices
Triaxial consolidation undrained test
On-site cross plate test
Resilience modulus flexure... | Triaxial consolidation undrained test | general_qa | 111 |
The following is a multiple choice question (with answers).
===Question
Let Γ and Δ be sets of sentences in Relational Logic. Let φ and ψ be closed sentences in Relational Logic. State whether each of the following statements is true or false.
a. If Δ ⊨ ∀x.(p(x) ∨ q(x)) and Δ ⊨ ∃x.¬p(x), then Δ ⊨ ∃x.q(x)
b. If Δ ⊨ ∀x... | true, true, true, false, true | general_qa | 345 |
The following is a multiple choice question (with answers).
===Question
A fluid with a constant flow rate passes through a pipe with a square cross-section (side lengths), now if the side lengths are doubled, the Reynolds number of the fluid flow becomes a multiple of the original?
===Choices
3/4
3/2
1/4
1/8
4
2
5/4
8... | 1/2 | general_qa | 91 |
The following is a multiple choice question (with answers).
===Question
Calculate the integral $I=\int_{0}^{1} {\frac{1} {1+x}} \mathrm{d} x$ using the composite Simpson's rule with $n=5$ and estimate the truncation error to be ____.
===Choices
$$
S_{5}=0.69315
$$
$$
\mid R_{n} ( f ) \mid= 1. 3 3 3 3 \times1 0^{-5}
$$... | $$
S_{5}=0.69315
$$
$$
\mid R_{n} ( f ) \mid= 1. 3 3 3 3 \times1 0^{-5}
$$ | general_qa | 577 |
The following is a multiple choice question (with answers).
===Question
The use of Stir Bar Sorptive Extraction (SBSE) has ___.
===Choices
Headspace Combined with Mixing Method
Supercritical Fluid Chromatography
Headspace Combined with Heating Method
Headspace Combined with Filtering Method
Headspace Combined with Coo... | Headspace Combined with Soaking Method | general_qa | 99 |
The following is a multiple choice question (with answers).
===Question
Oil entering the ocean can originate from the discharge of terrestrial waste, or from accidents during the ____ and transoceanic transportation processes in the ocean.
===Choices
synthesis
production
harvesting
purification
extraction
consumption
... | extraction | general_qa | 77 |
The following is a multiple choice question (with answers).
===Question
What was the main reason for the lack of cholera deaths at the Broad Street brewery?
===Choices
Brewery staff consume exclusively beer while working.
The distillery has high air quality requirements, which prevents the spread of the cholera virus.... | Winery workers generally do not drink well water directly. | general_qa | 141 |
The following is a multiple choice question (with answers).
===Question
German economist and Historical School pioneer Friedrich List analyzed the role of education in economic development in which representative work?
===Choices
"Analysis of Economic Education Systems"
"Principles of National Economics"
"National Sys... | "National System of Political Economy" | general_qa | 115 |
The following is a multiple choice question (with answers).
===Question
Martha works as a Software Developer for NetCom Inc. She has developed an application called App1 using Visual Studio .NET. This application includes a form named MyForm1, which features several controls, one of which is a TextBox named txtDOB inte... | Martha has set the CausesValidation property of txtDOB to False. | general_qa | 321 |
The following is a multiple choice question (with answers).
===Question
A rectangular container has a length, width, and height of 2m, 0.7m, and 0.6m respectively, and contains water to a depth of 0.3m. If the container is subjected to horizontal acceleration along the lengthwise direction with an acceleration of $a = ... | $$
1.25\times10^{3}\:(\mathrm{N})
$$ | general_qa | 321 |
The following is a multiple choice question (with answers).
===Question
In the following concepts regarding the in agricultral machinery, which of the following statements are incorrect? (Need to include all incorrect options):
I. The operational width, depth, and speed of operation of an implement are some of the majo... | V | general_qa | 363 |
The following is a multiple choice question (with answers).
===Question
One mole of monoatomic ideal gas at a temperature $ T_1 K $ expands according to the law $ \frac {P}{V} = const $. Its final temperature is $ T_2K$, The work done by the gas is:-
===Choices
W = \frac { 3R\left( T_ 2+T_ 1 \right) }{ 4 }
W = \frac {... | $$ W = \frac { R\left( T_ 2-T_ 1 \right) }{ 2 } $$ | general_qa | 347 |
The following is a multiple choice question (with answers).
===Question
Plane figures made of thin wires of resistance $R = 50$ milli ohm/metre are located in a uniform magnetic field perpendicular into the plane of the figures and which decrease at the rate $dB/dt =0.1\, m \,T/s.$ Then currents in the inner and outer ... | $10^{-4} \,A$ (Clockwise), $2 \times 10^{-4} \,A$ (Clockwise) | general_qa | 445 |
The following is a multiple choice question (with answers).
===Question
At the exit of a parking garage, there is only one gate where fees are collected and change is given to drivers. Assuming vehicle arrivals follow a Poisson distribution with a rate of 120 vehicles per hour, and the average duration of fee collectio... | 0.25(min) | general_qa | 158 |
The following is a multiple choice question (with answers).
===Question
Differential amplifier circuits are designed to _____.
===Choices
improve signal-to-noise ratio
reduce the input offset voltage
increase the amplification factor
improve power efficiency
suppress temperature drift
add one more stage of amplificati... | suppress temperature drift | general_qa | 84 |
The following is a multiple choice question (with answers).
===Question
At $ 25^{o}C $ the equilibrium constant for the reaction $ NH_{4}HS(S) \rightleftharpoons NH_{3}(g) + H_{2}S(g) $ is $ K_{p} = 12 . A 8.21 $ liter flask is charged with 1 atm of pure $NH_{3}(g) $ at $ 27^{o}C$ what is the minimum mass in gram of... | 81 g | general_qa | 179 |
The following is a multiple choice question (with answers).
===Question
Why do we need to control the carbon fraction of sodium aluminate solution not to be too high?
===Choices
Too high carbon fraction will increase the precipitation of SiO2 and affect the purity of Al(OH)3
Elevated carbon levels cause greater SiO2 d... | Too high carbon fraction will increase the precipitation of SiO2 and affect the purity of Al(OH)3 | general_qa | 202 |
The following is a multiple choice question (with answers).
===Question
A 15- year -female patient develops loss of appetite, cough followed by neck rigidity. CSF examination shows- glucose 40 mg%,protein 150mg%. chloride 52 meq/lit. with full of lymphocytes. The likely diaganosis is -
===Choices
Bacterial meningitis
... | Tubercular meningitis | general_qa | 152 |
The following is a multiple choice question (with answers).
===Question
In electromagnetic exploration, the main difference between time domain electromagnetic method and frequency domain electromagnetic method is__
===Choices
The energy consumption rate is different
The data processing techniques differ
The waveform ... | The signal is sent in a different way | general_qa | 108 |
The following is a multiple choice question (with answers).
===Question
Given a system of two thin lenses, where $f_{1} =100mm$ and $f_{2} =−50mm$, and the total length is required to be 0.7 times the focal length of the system, what are the distance between the two lenses and the focal length of the system?
===Choice... | 81.62mm; 158.1mm | general_qa | 234 |
The following is a multiple choice question (with answers).
===Question
The freezing point of benzene decrease by ${ 0.45 }^{ 0 }C$ when 0.2 g of acetic acid is added to 20 g of benzene. If acetic acid associates to form a dimer in benzene, percentage association of acetic acid in benzene will be :-
(${ K }_{ f }$ for ... | 64.6% | general_qa | 162 |
The following is a multiple choice question (with answers).
===Question
Match the following.
A. Hurricane
B. Typhoon
C. Cyclone
D. Tropical
1. Indian Ocean and South Pacific
2. Low-level air circulation
3. Northeastern Pacific and Atlantic Cyclone
4. Northwestern Pacific
===Choices
A-3; B-2; C-1; D-4
A-2; B-3; C-4; D-... | A-3; B-4; C-1; D-2 | general_qa | 228 |
The following is a multiple choice question (with answers).
===Question
Where is the field site for Margaret Mead's ethnographic research located?
===Choices
Borneo Island
Cors
Crete Island
Maui Island
Bali Island
Fiji Island
Sicily Island
Oahu Island
Java Island
Hainan Island | Bali Island | general_qa | 71 |
The following is a multiple choice question (with answers).
===Question
What is a granule?
===Choices
Compounds formed by coalescing silicone sediments.
Substances formed from calcium polymer particles.
Particles composed of clay carbonate minerals.
Particles formed from organic carbon matter.
Elements comprised of me... | Particles composed of clay carbonate minerals. | general_qa | 101 |
The following is a multiple choice question (with answers).
===Question
CsBr crystallises in a body centred cubic lattice.The until cell length is 436.6pm.Given that the atomic mass of Cs=133 and that of Br=80 amu and Avogadro number being $ 6.02\times { 10 }^{ 23 } { mol }^{ -1 }$,the density of $CsBr$ is:
===Choices... | $$4.25{ g }/{ { cm }^{ 3 } }$$ | general_qa | 262 |
The following is a multiple choice question (with answers).
===Question
A 70 year old woman dies in a nursing home after a hea attack. The time of onset of her clinical symptomatology and the cause of death are unceain; fuhermore, the possibility of neglect is being considered. Therefore, an autopsy investigation is ar... | 2 days | general_qa | 202 |
The following is a multiple choice question (with answers).
===Question
$int {{{dx} over {x{{left( {x - 1} right)}^2}}}} = left( {} right)$
===Choices
$ln left| x right| + {1 over {x + 1}} + ln left| {x - 1} right| + C$
$ln left| x right| - {1 over {x - 1}} + ln left| {x + 1} right| + C$
$ln left| x right| + {1 over x... | $ln left| x right| - {1 over {x - 1}} - ln left| {x - 1} right| + C$ | general_qa | 359 |
The following is a multiple choice question (with answers).
===Question
A separately excited DC motor has the following nameplate data: $\mathrm{P}_{\mathrm{N}}=13 \mathrm{kW}, \ \ \mathrm{U}_{\mathrm{N}}=220 \mathrm{V}, \ \ \mathrm{I}_{\mathrm{N}}=68.6 \mathrm{A} \, \ \ \mathrm{n}_{\mathrm{N}}=1500 \mathrm{r}/\mathrm{... | 4.53Ω | general_qa | 224 |
The following is a multiple choice question (with answers).
===Question
Say whether each of the following sentences is valid, contingent, or unsatisfiable.
a. (p ⇒ q) ∨ (q ⇒ p)
b. p ∧ (p ⇒ ¬q) ∧ q
c. (p ⇒ (q ∧ r)) ⇔ (p ⇒ q) ∧ (p ⇒ r)
d. (p ⇒ (q ⇒ r)) ⇒ ((p ∧ q) ⇒ r)
e. (p ⇒ q) ∧ (p ⇒ ¬q)
f. (¬p ∨ ¬q) ⇒ ¬(p ∧ q)... | valid, unsatisfiable, valid, valid, contingent, valid, contingent, contingent, valid, valid | general_qa | 464 |
The following is a multiple choice question (with answers).
===Question
In feed formulation, what does ADIN mean?
===Choices
Glutathione
Alkali soluble nitrogen inclusion
Alkaline detergent insoluble nitrogen
Tannin content
Acid detergent indigestible nitrogen
Alkaline soluble nitrogen index
Alkaline detergent insolub... | Acid detergent insoluble nitrogen | general_qa | 96 |
The following is a multiple choice question (with answers).
===Question
In a patient who has been digitalized and presents with ventricular fibrillation, how long should the medication be stopped before attempting cardioversion?
===Choices
24 hours
30 hours
18 hours
48 hours
40 hours
20 hours
16 hours
22 hours
36 hour... | 24 hours | general_qa | 84 |
The following is a multiple choice question (with answers).
===Question
What shape does the Fermi surface of alkali metals have?
===Choices
Perfectly circular shape
Uniformly square frames
Rectangular prism on lattice points
Slightly deformed spherical
Complex shapes distributed across multiple Brillouin zones
Spheric... | Slightly deformed spherical | general_qa | 96 |
The following is a multiple choice question (with answers).
===Question
Who played the electronic drums on P-Model's *Pause*?
===Choices
Kazuki Nakamura
Yasuchika Fujii
Yusuke Kato
Ryota Kobayashi
Takashi Sato
Kojiro Ito
Daichi Suzuki
Hiroshi Tanaka
Yuto Nakagawa
Shunsuke Watanabe | Yasuchika Fujii | general_qa | 91 |
The following is a multiple choice question (with answers).
===Question
What ministerial title did Ana Figueroa hold while representing Chile at the United Nations from 1950 to 1952?
===Choices
Minister accredited and plenipotentiary extraordinary
Minister extraordinary and plenipotentiary
Minister plenipotentiary
Min... | Minister plenipotentiary | general_qa | 147 |
The following is a multiple choice question (with answers).
===Question
There is a relational pattern $\mathrm{W} \ (\mathrm{C}, \mathrm{P}, \mathrm{S}, \mathrm{G}, \mathrm{T}, \mathrm{R})$ where the meaning of each attribute is: C represents the course, P represents the teacher,S represents the student, G represents t... | (T, S) | general_qa | 223 |
The following is a multiple choice question (with answers).
===Question
"出新意于法度之中,寄妙理于豪放之外" - these two famous lines discussing creative experience are from Su Shi's (苏轼) essay:
===Choices
书吴道子画后
与李公铎
记董源山水法
与参寥子
评范宽山水卷末
书米芾墨竹前
曲江舟中
观黄筌花鸟图
论王维诗画品
题李成画松图 | 书吴道子画后 | general_qa | 115 |
The following is a multiple choice question (with answers).
===Question
What modulus of Archimedean cylindrical worm and worm gear transmission should meet the standard value?
===Choices
Tangential sector
Intermediate plane
Equivalent radius
Proportional line
Similar thread
Conforming surface
Matching circle
Parallel ... | Intermediate plane | general_qa | 71 |
The following is a multiple choice question (with answers).
===Question
To enhance the water solubility of materials, first, sufficient hydrophilic groups are introduced into the molecule; second, the ______ of the polymer is reduced; and third, the _______ of polyelectrolytes is utilized
===Choices
polarity, electros... | crystallinity, anti-ion effect | general_qa | 135 |
The following is a multiple choice question (with answers).
===Question
Three stations $\mathrm{A, ~ B, ~ C}$ are connected to a broadcast channel, and the medium access control uses a channel division method. The channel is divided using code division multiplexing technology. A and B need to send data to C. Assume A's... | $$
- 1,+1,-1,+1,-1,+1,+1,+1
$$ | general_qa | 335 |
The following is a multiple choice question (with answers).
===Question
Secondary meristematic tissues can be transformed directly from ( ).
===Choices
collenchyma
endodermis
parenchyma
epidermis
sclerenchyma
phloem
mesophyll
cortex
cambium
xylem | parenchyma | general_qa | 73 |
The following is a multiple choice question (with answers).
===Question
What are the graphite deposits that are formed by causing significant changes in the material composition and structure of bituminous coal called?
===Choices
Metamorphic rock formations
Sedimentary ore deposits
Metamorphic organic deposits
metamor... | metamorphic ore deposits | general_qa | 96 |
The following is a multiple choice question (with answers).
===Question
Consider the sequence defined by $c_0=1$, $c_1=2$, and $c_f=4c_{f-1}-c_{f-2}$ for $f\geq 2$. Determine the smallest odd prime factor of $c_{265}$.
===Choices
183
182
179
187
178
173
181
175
177
171 | 181 | general_qa | 117 |
The following is a multiple choice question (with answers).
===Question
A small body slides from rest along two equally rough circular surfaces from A to B through path 1 and 2 of equal radius if ${v}_{1}$ and ${v}_{2}$ are the speed of the block at point B via path (1) and (2) then
===Choices
$${ v }_{ 1 }< { v }_{ 2... | $${ v }_{ 1 }>{ v }_{ 2 }$$ | general_qa | 239 |
The following is a multiple choice question (with answers).
===Question
According to reports, the State Administration of Taxation has issued a notice announcing that China will strengthen the collection and management of individual taxes for high-income earners. This policy belongs to ().
===Choices
Self regulating p... | Redistributive policy | general_qa | 94 |
The following is a multiple choice question (with answers).
===Question
In simple delta modulation, if the sampling rate is $f_{s}$ and the quantization step size is $\Delta$, what is the maximum tracking slope of the decoder?
===Choices
$\Delta + f_{s}$
$f_{s} - \Delta$
$\Delta / f_{s}$
$\Delta \times f_{s}$
$f_{s} /... | $\Delta f_{s}$ | general_qa | 133 |
The following is a multiple choice question (with answers).
===Question
In the slag, there are emulsified small iron beads, and the rate of [Mn] being oxidized by (FeO) within them is controlled by mass transfer. Calculate the mass transfer coefficient of [Mn] in the iron beads. The diameter of the iron beads is $2 \ti... | $$
9. 2 2 5 \times1 0^{-6} \mathrm{~ m / s}
$$ | general_qa | 547 |
The following is a multiple choice question (with answers).
===Question
When transplanting trees, how many times should the diameter of the soil ball be the diameter at breast height of the trunk?
===Choices
4-6
6-10
2-3
9-11
7-9
5-7
8-12
11-13
10-12
3-5 | 8-12 | general_qa | 88 |
The following is a multiple choice question (with answers).
===Question
Styrene $( \mathbf{M}_{1} )$ and methyl acrylate $( \mathbf{M}_{2} )$ copolymerize in benzene. Given : $r_{1}=0.75 \,, r_{2}=0.20 \,, \left[ \, \mathrm{M}_{1} \, \right]=$ $1.5 \mathrm{~mol ~\cdot~ L^{-1} ~}, [ M_{2} ]=3.0 \mathrm{~mol ~\cdot~ L^{-... | $$
0. 5 0
$$ | general_qa | 260 |
The following is a multiple choice question (with answers).
===Question
Compute the integral:
$$
\int \frac{ -2 }{ e^{3 \cdot x} + \sqrt{1 + e^{6 \cdot x}} } \, dx
$$
===Choices
C - \frac{1}{3} \cdot \left( \frac{2}{e^{3 \cdot x} + \sqrt{1 + e^{6 \cdot x}}} + 2 \cdot \ln\left( \frac{e^{3 \cdot x} + \sqrt{1 + e^{6 \cdo... | C - \frac{1}{3} \cdot \left( \frac{2}{e^{3 \cdot x} + \sqrt{1 + e^{6 \cdot x}}} + 2 \cdot \ln\left( \frac{e^{3 \cdot x} + \sqrt{1 + e^{6 \cdot x}} - 1}{1 + e^{3 \cdot x} + \sqrt{1 + e^{6 \cdot x}}} \right) \right) | general_qa | 475 |
The following is a multiple choice question (with answers).
===Question
Consider a planar dielectric waveguide, where the refractive indices for each layer are $n_{1}=2.21$, $n_{2}=2.1$, and $n_{3}=1$, and the waveguide layer thickness is $d=4.6 \mu m$. If the total internal reflection phase shift is $\frac{3}{2} \pi$,... | 5 | general_qa | 149 |
The following is a multiple choice question (with answers).
===Question
The trolley travels on a horizontal straight track at a speed of $v=5 \mathrm{~m/s}$, while simultaneously vibrating on a spring with an amplitude of $a=0.008 \mathrm{~m}$ and a period of $T=0.5$ s. It is known that the average distance from the ce... | $$1.5+0.0008\sin0.8\pi x$$ | general_qa | 407 |
The following is a multiple choice question (with answers).
===Question
When phenol is mixed with acyl chloride and heated in the presence of a Lewis acid or Brønsted acid, this reaction first produces ____, followed by ____ rearrangement.
===Choices
Aliphatic ester,Finkelstein
Carboxylate ester,Baeyer-Villiger
Alcoho... | Phenol ester,Fries | general_qa | 153 |
The following is a multiple choice question (with answers).
===Question
What system are mathematically modeled difference equations and impulse transfer functions part of?
===Choices
Electrical circuit system
Signal processing system
Quantum computing system
Thermal exchange system
Mechanical vibration system
Digital ... | Sampling system | general_qa | 78 |
The following is a multiple choice question (with answers).
===Question
In the crystalline region of polytetrafluoroethylene, the conformation of its molecular chain is ().
===Choices
Helix Chain
Curved Pattern
Bent Helix
Wavy Alignment
Tangle Structure
Twisted Form
Slanted Coil
Zigzag Chain
Linear Spiral
Coiled Sheet | Helix Chain | general_qa | 80 |
The following is a multiple choice question (with answers).
===Question
Design an electrostatic precipitator with a gas processing capacity of 6000 cubic meters per minute, requiring a dust removal efficiency of at least 98%, and assuming an effective particle driving speed of 5 meters per minute. What is the total are... | 4694 | general_qa | 133 |
The following is a multiple choice question (with answers).
===Question
The two main methods of introducing amino groups into the molecules of organic compounds are ( ) and ( ).
===Choices
nitro reduction, aminolysis
alkyl substitution, amination
amide oxidation, hydration
amine oxidation, hydrolysis
electrophilic sub... | nitro reduction, aminolysis | general_qa | 111 |
The following is a multiple choice question (with answers).
===Question
Coloring the edges of a complete graph with n vertices in 2 colors (red and blue), what is the smallest n that guarantees there is either a triangle in red or a 6-clique in blue?
===Choices
18
20
Both 18 and 23 are correct
15
16
19
23
21
22
17 | 18 | general_qa | 97 |
The following is a multiple choice question (with answers).
===Question
Which of the following options has the effect of repairing tendons and setting bones?
===Choices
mayflies
grasshoppers
ladybugs
butterflies
sawflies
dragonflies
pillbugs
earthworms
bullfrogs
millipedes | pillbugs | general_qa | 70 |
The following is a multiple choice question (with answers).
===Question
Pyrotechnic hazards are frequently increased by which of the following factors?
===Choices
Type of container
Storage practices
Load intensity
Brand reputation
Location of use
Method of ignition
Weather conditions
Age of pyrotechnic
Ambient tempera... | Age of pyrotechnic | general_qa | 70 |
The following is a multiple choice question (with answers).
===Question
With the involvement of the central nervous system's ( ), athletes can perform automated movements. Consider the following parts of the central nervous system:
I. Medulla
II. Thalamus
III. Cerebellum
IV. Cerebral cortex
Select the combination that ... | IV | general_qa | 114 |
The following is a multiple choice question (with answers).
===Question
Which of the following is a role of lactic acid bacteria in wine?
===Choices
Reducing the Acidity of Wine
Altering the color of wine
Reducing the Aroma of Wine
Enhancing the tannin content of wine
Increasing the alcohol content of wine
Increasing ... | Reducing the Acidity of Wine | general_qa | 109 |
The following is a multiple choice question (with answers).
===Question
The $\%IC$ of the interatomic bond for each of FeO is ().
===Choices
$$
5 7. 6 \%
$$
$$
4 8. 8 \%
$$
$$
5 0. 2 \%
$$
$$
4 9. 7 \%
$$
$$
6 1. 0 \%
$$
$$
6 2. 3 \%
$$
$$
7 4. 1 \%
$$
$$
5 5. 5 \%
$$
$$
6 3. 9 \%
$$
$$
5 8. 4 \%
$$ | $$
5 5. 5 \%
$$ | general_qa | 154 |
The following is a multiple choice question (with answers).
===Question
The documentary director known as 'The Flying Dutchman' is ( ).
===Choices
Wiseman
Riefenstahl
Evans
Farhadi
Da Costa
Johnson
Buchanan
Lindgren
Flemings
Renton | Evans | general_qa | 66 |
The following is a multiple choice question (with answers).
===Question
Which historical drama by A Ying, a playwright of 'Isolated Island' theater, is not related to the Southern Ming history?
===Choices
海国英雄
碧血花
长夜行
杨娥传 | 长夜行 | general_qa | 58 |
The following is a multiple choice question (with answers).
===Question
Molarity of $H_2SO_4$ is $0.8M$ and its density is $1.06gcm^{-3}$. What will be the concentration of the solution in terms of molality $(m)$and mole fraction $(x)$?
===Choices
m=0.145, x=0.805
$$m=0.5, x=0.45$$
m=0.0145, x=0.815
$$m=0.815, x=0.014... | $$m=0.145, x=0.815$$ | general_qa | 221 |
The following is a multiple choice question (with answers).
===Question
A positively charged small disc is released on the top of fixed hemispherical frictionless dome in presence of a uniform horizontal electric field. If the disc leaves the dome after an angular displacement $ \theta = sin^{-1} (3 / 5) $, find ratio... | 9/2 | general_qa | 133 |
The following is a multiple choice question (with answers).
===Question
Solve the integral:
$$
\int 3 \cdot \sin(2 \cdot x)^4 \cdot \cos(2 \cdot x)^2 \, dx
$$
===Choices
\frac{3}{16}\cdot\left(x-\frac{\sin(8\cdot x)}{8}+\frac{\sin(4\cdot x)}{8}+\frac{\sin(12\cdot x)}{24}\right)+C
\frac{3}{16}\cdot\left(x-\frac{\sin(8\... | \frac{3}{16}\cdot\left(x-\frac{\sin(8\cdot x)}{8}-\frac{\sin(4\cdot x)}{8}+\frac{\sin(12\cdot x)}{24}\right)+C | general_qa | 283 |
The following is a multiple choice question (with answers).
===Question
A mono-electronic species in energy level with energy X was provided with excess of energy so that it jumps to higher energy level with energy Y. If it can emit 6 wavelengths originated from all possible transition between these groups levels, the... | $$X/Y = (n-1)^{2}$$ | general_qa | 195 |
The following is a multiple choice question (with answers).
===Question
A certain metal when irradiated with light (v = 3.2*$10^{ 16 }$ Hz) emits photo electrons with twice kinetic energy as did photo electron when the same metal is irradiated by light (v = 2.0*$10^{ 16 }$ Hz). Calculate ${ v }_{ 0 }$ of electron?
===... | 1.2*$10^{ 14 }$ Hz | general_qa | 228 |
The following is a multiple choice question (with answers).
===Question
The earliest historical period in which human society developed laws is ()?
===Choices
Primitive Society
Slave Society
Post-Industrial Society
Agricultural Society
Hunter-Gatherer Society
Feudal Society
Capitalist Society
Industrial Society
Tribal... | Slave Society | general_qa | 72 |
The following is a multiple choice question (with answers).
===Question
The starting point for revealing the essence of capitalism is
===Choices
analyzing the internal contradictions and movement laws of a simple commodity economy based on mixed ownership
analyzing the internal contradictions and movement laws of a ca... | analyzing the internal contradictions and movement laws of a simple commodity economy based on private ownership | general_qa | 203 |
The following is a multiple choice question (with answers).
===Question
All solutions of a second-order linear non-homogeneous differential equation
===Choices
form a 2-dimensional affine subspace
form a 1-dimensional linear space
form an infinite-dimensional linear space
do not form a linear space
form a 1-dimensiona... | do not form a linear space | general_qa | 116 |
The following is a multiple choice question (with answers).
===Question
The daily extra calories in the second and third trimester of pregnancy is
===Choices
370 kCals
250 kCals
325 kCals
375 kCals
150 kCals
350 kCals
300 kCals
200 kCals
450 kCals
400 kCals | 350 kCals | general_qa | 101 |
The following is a multiple choice question (with answers).
===Question
The characteristics of enterprise information resource management include the following:
I. Timeliness of enterprise information resource management
II. Economic efficiency of enterprise information resource management
III. User-oriented nature of ... | II,III,IV | general_qa | 141 |
The following is a multiple choice question (with answers).
===Question
Choose the most appropriate topic for the following conversation between a user and a shop assistant.
Conversation: Human:[MASK]
Assistant:You expressed interest in Astrology. You may also enjoy products related to Tarot cards, spiritual crystals o... | Astrology | general_qa | 623 |
The following is a multiple choice question (with answers).
===Question
On a ship with a displacement of 45,000 kN, a cargo weighing 300 kN is moved from the bow to a point 60 m from the stern. How much does the center of gravity of the ship and cargo as a whole shift?
===Choices
$$
1.5 m
$$
$$
1.0 m
$$
$$
3.2 m
$$
$$... | $$
0.4 m
$$ | general_qa | 166 |
The following is a multiple choice question (with answers).
===Question
What is the maximum sentence in years for filming a movie or recording sound inside a cinema according to Japanese law?
===Choices
12 years
9 years
13 years
6 years
8 years
7 years
15 years
14 years
11 years
10 years | 10 years | general_qa | 74 |
The following is a multiple choice question (with answers).
===Question
Teeth are commonly found in vertebrates, and what do mammals, which have developed to a high level, classify their teeth as?
===Choices
Serrated Molars
Grazing Teeth
Dental Armor
Non-standard Gear Teeth
Homodont teeth
Canine Structure
Extra teeth
... | Non-standard Gear Teeth | general_qa | 90 |
The following is a multiple choice question (with answers).
===Question
The soil layers below the surface of a certain building site are as follows: (1) medium sand, $2.0 \mathrm{m}$ thick, with the phreatic water level $1 \mathrm{m}$ below the surface, saturated unit weight $\gamma_{\mathrm{sat}}=20 \mathrm{kN/m}^{3}$... | $$
1. 2 \mathbf{m}
$$ | general_qa | 374 |
The following is a multiple choice question (with answers).
===Question
Let $\textbf{u}=4\textbf{i}+3\textbf{j}$ and $\textbf{v}$ be two perpendicular vectors in the $x-y$ plane. If there are $n$ vectors $\textbf{r}_i$ for $i=1, 2, \ldots, n$ in the same plane having projections of $1$ and $2$ along $\textbf{u}$ and $\... | 20 | general_qa | 270 |
The following is a multiple choice question (with answers).
===Question
There is a Cuk converter circuit with a switching frequency of 50kHz. Assuming the output capacitor is large enough to keep the output voltage constant and the power loss of the components is negligible, if the input voltage $U_d = 10V$ and the out... | $$
6. 6 7 \mu s
$$
$$
1 3. 3 4 \mu s
$$ | general_qa | 401 |
The following is a multiple choice question (with answers).
===Question
In a region of uniform magnetic field $B=10^{-2}T$, a circular coil is rotating at $'\omega'$ rpm about an axis which is perpendicular to the direction of 'B' and which forms a diameter of the coil. The radius of the coil is $30$ cm and resistance ... | $21$ rpm | general_qa | 166 |
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 body is brought to you for autopsy. On examination of the stomach, smell of bitter almonds is present. The lividity on the body is brick red in colour. Which of the following poison could have been responsible for the individual's death?
===Choi... | HCN | general_qa | 83 |
The following is a multiple choice question (with answers).
===Question
What year was the municipality of Betania, Antioquia, Colombia, founded?
===Choices
1887
1898
1885
1888
1889
1890
1891
1892
1899
1886 | 1889 | general_qa | 83 |
The following is a multiple choice question (with answers).
===Question
The physiological stimuli of the respiratory center chemoreceptors are ( ).
===Choices
CO2 in the blood
H2O in cerebrospinal
CO2 in brain tissue
Decreased PO2 in blood
Decreased PO2 in cerebrospinal fluid
Decreased PCO2 in blood
N2 in cerebrospina... | H+ in cerebrospinal fluid | general_qa | 112 |
The following is a multiple choice question (with answers).
===Question
Which of the following tree species has purple flowers?
===Choices
European White Birch
Mimosa
Indian Neem Tree
Paulownia tomentosa
African Baobab
Wild Lilac
Australian Eucalyptus
Chinese Scholar Tree
American Red Maple
Japanese Cherry Blossom | Paulownia tomentosa | general_qa | 76 |
The following is a multiple choice question (with answers).
===Question
What is the main characteristic of "Yaozhou" celadon ware that distinguishes it from other celadon types?
===Choices
Green glaze with light circles
Red glaze with light circles
Blue glaze with dark spots
Green glaze with dark spots
Green glaze wit... | Green glaze with dark spots | general_qa | 111 |
The following is a multiple choice question (with answers).
===Question
A patient presented with headache and fever for 7 days. While doing a lumbar puncture, it was noticed that the opening CSF pressure increased on jugular vein compression and became normal on relieving the pressure on jugular vein. What is the inter... | Patent subarachnoid space | general_qa | 158 |
The following is a multiple choice question (with answers).
===Question
The spontaneous fission activity rate of U-238 is 6.7 fissions/kg s. A sample of shale contains 0.055% U-238 by weight. Calculate the number of spontaneous fissions in one day in a 106-kg pile of the shale by determining the number of fissions.
==... | 320000000.0 | general_qa | 207 |
The following is a multiple choice question (with answers).
===Question
What is the solubility of $MnS$ in pure water, assuming hydrolysis of $S^{2-}$ ions? $K_{sp}$ of $MnS = 2.5 \times 10^{-10}$, $K_{a1} = 1 \times 10^{-7}$ and $K_{a2} = 1 \times 10^{-14}$ for $H_{2}S$.
===Choices
$$1.58 \times 10^{-5}M$$
$$1.58 \ti... | $$6.3 \times 10^{-4}M$$ | general_qa | 269 |
The following is a multiple choice question (with answers).
===Question
In Elgamal cryptosystem, given the prime $\mathrm{p}=3 1$ .
What is the respective plaintext character for ${\mathsf{C}}=( 2 7, 2 0 )?$
===Choices
L
H
O
J
T
M
N
K
E
Q | H | general_qa | 84 |
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
The two basic equations of gamma ray acoustics are _____ equation and _____ equation. According to Snell's refraction law, sound always bends in the direction of _____; When the sound velocity of the medium is constant, the sound track is _____. Wh... | eikonal; intensity; low speed of sound; straight line; circular arc; $1 / \left| \frac{\operatorname{cos} \alpha}{c} \frac{dc}{dz} \right|$ | general_qa | 566 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.