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
Determine the activity of FeO in the slag in equilibrium with an iron-carbon melt with a carbon content of $w [ C ] = 0.3\%$ under conditions of $1600 \mathrm{C}$ and $p_{\mathrm{CO}}^{\prime}=0.1 \mathrm{kPa}$.
===Choices
$$
0. 4 2 \times1 0^{-9}... | $$
3. 1 3 \times1 0^{-5}
$$ | general_qa | 267 |
The following is a multiple choice question (with answers).
===Question
Blood sodium in hypotonic dehydration ____.
===Choices
>150mmol/L
>120mmol/L
>130mmol/L
>140mmol/L
<120mmol/L
<130mmol/L
<100mmol/L
<160mmol/L
<140mmol/L
>110mmol/L | <130mmol/L | general_qa | 105 |
The following is a multiple choice question (with answers).
===Question
Starting at time $t = 0$ from the origin with speed $1 ms^{-1}$, a particle follows a two-dimensional trajectory in the $x-y$ plane so that its coordinates are related by the equation $y = \dfrac{x^2}{2}$. The x and y components of its acceleration... | $a_x = 0$ implies that at $t = 1 s$, the angle between the particles velocity and the x axis is $45^{\circ}$ | general_qa | 417 |
The following is a multiple choice question (with answers).
===Question
Ce nouveau film d'animation s'appuie sur une histoire originale d'Alexandre Astier : Astérix - le secret de la potion magique.
Il y a quatre ans, Alexandre Astier et Louis Clichy avaient plutôt séduit la critique avec _Le Domaine des dieux (2014)_,... | sont assez intéressantes. | general_qa | 762 |
The following is a multiple choice question (with answers).
===Question
When primary liver cancer metastasizes within the liver, the most commonly affected site is ( ).
===Choices
central bile ducts
intrahepatic bile ducts
hepatic parenchyma
left hepatic duct
hepatic artery
hepatic lobules
hepatic vein
main liver lobe... | portal vein | general_qa | 91 |
The following is a multiple choice question (with answers).
===Question
The charge is distributed with a volume density of $\rho=\rho_{0} \left( 1-{\frac{r} {R}} \right)$ within a sphere of radius $R$, where $\rho_{0}$ is a constant and $r$ is the distance from a point inside the sphere to the center of the sphere. At ... | $$
r={\frac{2} {3}} R;E_{\operatorname* {m a x}}={\frac{\rho_{0} \, R} {9 \, \varepsilon_{0}}} \, e_{r}
$$ | general_qa | 666 |
The following is a multiple choice question (with answers).
===Question
Two vertical parallel glass plates are partially submerged in water. The distance between the plates is $d$ and the length $l$. Assume that the water between the plates does not reach the upper edges of the plates and that the wetting is complete. ... | $$4F$$ | general_qa | 152 |
The following is a multiple choice question (with answers).
===Question
Hydrogen sulfide is an impurity in natural gas that must be removed. One common removal method is called the Claus process, which relies on the reaction:
$$
8 \, \mathrm{H}_{2} \mathrm{S} ( g ) \,+\, 4 \, \mathrm{O}_{2} ( g ) \, \longrightarrow\, \... | $$
2 8 \operatorname{g} \operatorname{S}_{8} \operatorname{a c t u a l}
$$ | general_qa | 530 |
The following is a multiple choice question (with answers).
===Question
A tube is heated by means of forced convection from an airstream. The tube has a length of 1000 ft., and the wall surface temperature is 60°F. The flow is measured at a speed of 30 ft/sec, and it moves through an area measuring 3 in. across. If the... | (a) 1.071 psi, (b) 80928 Btu/hr, (c) 10.3 Btu/hr-ft^2-°F | general_qa | 544 |
The following is a multiple choice question (with answers).
===Question
Please identify who does not belong to the Deputy Director of National Intelligence for Collection within the senior technical bureaucracy of the U.S. intelligence system. 1. ADDNI for Collection Strategies 2. ADDNI for Human Intelligence 3. ADDNI ... | 5,6 | general_qa | 138 |
The following is a multiple choice question (with answers).
===Question
Use the example below to answer the question that follows.
Which of the following is the articulation that indicates the note to be played slightly longer and with rubato?
===Choices
Fermata
Marcato
Tenuto
Staccato | Tenuto | general_qa | 63 |
The following is a multiple choice question (with answers).
===Question
A particle with a mass of $0.5 \ \mathrm{g}$ and a charge of $2.5 \times 10^{-8} \mathrm{~C}$ enters a uniform magnetic field $B$ on the Earth's surface with an initial horizontal speed of $6 \times 10^{4}$ m/s. What is the minimum value of $B$ req... | $$
B_{\mathrm{m i n}}={\frac{m g} {q v_{0}}}=3. 2 7 \, \mathrm{~ T}
$$ | general_qa | 527 |
The following is a multiple choice question (with answers).
===Question
The river city bus company is responsible for the operation and maintenance management of the city's public transport vehicles, and is known to be required at all times of the day
The number of people is shown in the table,
Time Hours: 5:00-7:00, 7... | 882 | general_qa | 395 |
The following is a multiple choice question (with answers).
===Question
How many Indigenous languages were designated in Togo in 1975?
===Choices
Five
Three
One
Nine
Seven
Four
Ten
Eight
Six
Two | Two | general_qa | 52 |
The following is a multiple choice question (with answers).
===Question
Which ethnic group's work is Ashima?
===Choices
Lisu
Zhuang
Naxi
Miao
Bai
Dong
Hani
Tibetan
Yi
Sani | Sani | general_qa | 59 |
The following is a multiple choice question (with answers).
===Question
A 63-year-old woman with a history of adult polycystic kidney disease and COPD presents to her optometrist after having difficulty watching a movie. She has no other complaints. She is accompanied by her daughter, who notes that her mother hasn't b... | Vascular abnormality | general_qa | 183 |
The following is a multiple choice question (with answers).
===Question
If the probabilities of random events $A$ and $B$ are respectively $P(A) = 0.6$ and $P(B) = 0.5$, then what is the relationship between $A$ and $B$?
===Choices
B includes A
Compatibility
Inclusion of events A and B Events contain A
The opposite ev... | Compatibility | general_qa | 128 |
The following is a multiple choice question (with answers).
===Question
What do numerous studies and facts show that the upper part of the body develops earlier than the lower part, and the internal organs develop earlier than the limbs?
===Choices
Internal organs develop later than limbs
Development is influenced by ... | Individual development occurs regularly | general_qa | 109 |
The following is a multiple choice question (with answers).
===Question
What is the Julian date for the cycle 1 cutoff?
===Choices
20 January 5
20 February 5
19 September 8
22 July 10
20 March 5
14 February 2
20 April 5
13 August 4
18 December 6
25 April 1 | 20 January 5 | general_qa | 89 |
The following is a multiple choice question (with answers).
===Question
The core proposition of Buddhist philosophy is ( ).
===Choices
Benevolence towards others
Dependent origination and the nature of impermanence
Unity of heaven and humanity
Dependent origination and emptiness of nature
Dependent origination and the... | Dependent origination and emptiness of nature | general_qa | 122 |
The following is a multiple choice question (with answers).
===Question
In aFizeautoothed-wheel experiment for obtaining the velocity of light, an eclipse of the source is first observed when the speed of the disk is 1500 rpm. (a) If the distance of the toothed wheel, which has 600 teeth, to the reflecting mirror is 49... | 2.988 × 10^8 m/s and 4500 rpm | general_qa | 321 |
The following is a multiple choice question (with answers).
===Question
There are no specific individuals in the photograph. It features one or several objects created through human labor, reflecting a certain way of human existence. We can still call it ( ) photography.
===Choices
Architectural
Landscapes
Street
Wild... | Humanities | general_qa | 82 |
The following is a multiple choice question (with answers).
===Question
The motion of a particle along a straight line is described by equation $x=8+12t -t^3$, where x is in metre and f in second. The retardation of the particle when its velocity becomes zero is
===Choices
$$6 ms ^{-2}$$
$$36 ms^{-2}$$
$$24 ms ^{-2}$$... | $$6 ms ^{-2}$$ | general_qa | 152 |
The following is a multiple choice question (with answers).
===Question
Which of the following is a descending natural minor scale with E as the leading tone?
===Choices
L:1/4
M:4/4
K:C
^F,4 | ^E,4 | =E,4 | ^D,4 | =D,4 | ^C,4 | ^B,,4 | =B,,4 | ^A,,4 | =A,,4 | ^G,,4 | ^F,,4 |] %12
L:1/4
M:4/4
K:A
f4 | e4 | _e4 | d4 | _... | None of the first three options are correct | general_qa | 246 |
The following is a multiple choice question (with answers).
===Question
If the magnetic field associated with a radiation of frequency 10 MHz is $B=6 \times 10^{-8}sin (Kx-\omega t)T$ then its energy density is ..........J $m^{-3}$
===Choices
$$1.43 \times 10^{-13}$$
$$1.43 \times 10^{-7}$$
$$1.43 \times 10^{-12}$$
$$... | $$1.43 \times 10^{-9}$$ | general_qa | 223 |
The following is a multiple choice question (with answers).
===Question
A uniform conducting rectangular loop of sides $l, b$ and mass $m$ carrying current $i$ is hanging horizontally with the help of two vertical strings as shown in figure. There exists a uniform horizontal magnetic field $B$, which is parallel to th... | $$\dfrac {mg-2iBb}{2}$$ | general_qa | 214 |
The following is a multiple choice question (with answers).
===Question
The density distribution of a thin, straight rod is $\rho = \rho_0 (a + l)$ ($\rho_0$ and $a$ are constants, $l$ is the distance measured from one end of the rod). The rod is floating vertically in a certain liquid. If the total length of the rod i... | $$
\rho_{0} \, \frac{n} {n-1} \Bigl( a+\frac{l} {2} \Bigr)
$$ | general_qa | 510 |
The following is a multiple choice question (with answers).
===Question
A three-phase 4-pole induction motor is given with a power supply frequency of $\mathrm{f=50 \, Hz}$ and a rated speed of $\mathrm{n}_{\mathrm{N}}=1450 \, \mathrm{r/min}$. What is the slip $\mathrm{S}$?
===Choices
2.9%
2.2%
1.6%
6.0%
3.3%
4.1%
4.8... | 3.3% | general_qa | 123 |
The following is a multiple choice question (with answers).
===Question
What system was used for the main halls of the palace during the Wei, Jin, and Northern and Southern Dynasties in China?
===Choices
Central Hall
North and South Hall
Main Hall
Pavilion Hall
Hall of Harmony
Outer and Inner Hall
Imperial Hall
Royal ... | East and West Hall | general_qa | 83 |
The following is a multiple choice question (with answers).
===Question
Which of the following is an epidemiological characteristic of dengue fever?
===Choices
Patients and symptomatic carriers are the primary sources of transmission.
Healthy carriers and symptomatic patients are often involved in transmission.
Infect... | Patients and asymptomatic carriers are the primary sources of infection. | general_qa | 160 |
The following is a multiple choice question (with answers).
===Question
When 229 J of energy is supplied as heat to 3.00 mol Ar(g), the temperature of the sample increases by 2.55 K. Calculate the molar heat capacities at constant volume and constant pressure of the gas.
===Choices
$$
3 2 \mathrm{~ J ~ K^{-1} ~ m o l^... | $$
3 0 \mathrm{~ J ~ K^{-1} ~ m o l^{-1} ~}
$$
$$
3 8 \mathrm{~ J ~ K^{-1} ~ m o l^{-1}}
$$ | general_qa | 568 |
The following is a multiple choice question (with answers).
===Question
Under which distribution does the entropy function achieve its maximum value?
===Choices
skewed distribution
negative exponential
binomial distribution
uniform probability
Poisson
Gaussian curve
equal probability
normal
exponential decay
random no... | equal probability | general_qa | 63 |
The following is a multiple choice question (with answers).
===Question
Slag $\mathrm {S i O_ {2}}$ concentration is low, the slag $\mathrm {A l_ {2} O_ {3}}$ _____, when slag $\ mathrm {A l_ {2} O_ {3}}$ concentration increasing, $\mathrm{S i O_{2}}$ activity in slag _____.
===Choices
acidic, stabilize
basic, decreas... | acidic, increase | general_qa | 127 |
The following is a multiple choice question (with answers).
===Question
What are the four main analytical methods commonly used by people?
===Choices
1.Quantitative Analysis 2.System Dynamics Analysis 3.Network Analysis 4.Trend Analysis
1.Causal Analysis 2.Analysis of Appearance and Essence 3.Correlation Analysis 4.Ty... | 1.Causal Analysis 2.Analysis of Appearance and Essence 3.Correlation Analysis 4.Typical Analysis | general_qa | 235 |
The following is a multiple choice question (with answers).
===Question
Two plates of masses $m_{1}$ and $m_{2}$ are connected by a spring of force constant K. What force should be applied to the upper plate so that $m_{2}$ plate leaves the contact after the force is removed?
===Choices
$$F= m_{1}.m_{2}\left(\frac{K}{... | $$F = m_{1}g + m_{2}g$$ | general_qa | 360 |
The following is a multiple choice question (with answers).
===Question
It starts to snow in the morning, all day long, at noon a snowplow starts to sweep the snow, the volume of snow is constant every hour, to $2$ $PM$ snow $2km$, to $4$ $PM$ snow $1km$, ask when the snow is started?
===Choices
The snow began at $12:... | The snow began at $10:46$ | general_qa | 191 |
The following is a multiple choice question (with answers).
===Question
Accelerating the transformation of the economic development model, enhancing our country's overall national strength and international competitiveness is a necessary requirement and strategic measure ( )
===Choices
Strengthen the role of the gover... | Implement the innovation-driven development strategy | general_qa | 151 |
The following is a multiple choice question (with answers).
===Question
What are the changes in heart rate, cardiac output, blood pressure, and respiration caused by pressing on the carotid sinus and carotid body of the test rabbit?
===Choices
Heart rate stabilizes, cardiac output rises, blood pressure increases, and ... | Slower heart rate, reduced cardiac output, lowered blood pressure, deeper and faster breathing | general_qa | 226 |
The following is a multiple choice question (with answers).
===Question
Who was the first Chinese actress to win the Best Actress award at the Cannes Film Festival?
===Choices
Fan Bingbing
Michelle Yeoh
Gong Li
Joan Chen
Tang Wei
Shu Qi
Zhou Xun
Li Bingbing
Maggie Cheung
Zhang Ziyi | Gong Li | general_qa | 79 |
The following is a multiple choice question (with answers).
===Question
What is the force of attraction between a $\mathrm{C a^{2+}}$ and an $\mathrm{o}^{2-}$ ion whose centers are separated by a distance of 1.25 nm?
===Choices
$$
2. 3 4 \times1 0^{-1 0} \mathrm{~ N}
$$
$$
7. 0 3 \times1 0^{-1 0} \mathrm{~ N}
$$
$$
6.... | $$
5. 9 1 \times1 0^{-1 0} \mathrm{~ N}
$$ | general_qa | 320 |
The following is a multiple choice question (with answers).
===Question
The factors that have the greatest impact on the viscosity resistance of a ship are:
===Choices
Ship length
Shape of the ship's rear body
Width of the ship
Ship power systems
Ship draft
Ship height
Ship design materials
Ship weight
Shape of the sh... | Shape of the ship's rear body | general_qa | 75 |
The following is a multiple choice question (with answers).
===Question
A 64-year-old man presents with headache and left-sided upper extremity weakness. The MRI findings suggest that this is a glioblastoma multiforme. This is because the tumor exhibits which of the following?
===Choices
It shows a ring pattern of enh... | It shows a ring pattern of enhancement with intravenous contrast and has a non-enhancing necrotic center. | general_qa | 247 |
The following is a multiple choice question (with answers).
===Question
In a certain ladybug population, there are three genotypic individuals (aa, AA, and Aa) subjected to temperature selection pressure. Their fitness values ($W$) are 2, 0.5, and 1, respectively. What is the approximate selection intensity of temperat... | 0.75 | general_qa | 124 |
The following is a multiple choice question (with answers).
===Question
Who are the authors of "The Miser" and "The Government Inspector"?
===Choices
Gogol from Russia, Cervantes from Spain, Molière from France
Cervantes from Russia, Molière from France, Shakespeare from England
Shakespeare from England, Gogol from Ru... | Molière from France, Shakespeare from England, Gogol from Russia | general_qa | 182 |
The following is a multiple choice question (with answers).
===Question
If the speed of an artificial satellite at point A on the semi-major axis is $v = 17970$ km/h, and the acceleration due to Earth's gravity is $a = a_{r} = -1.556$ m/s² .
What are the rates of change $a_{\tau}$ and $\ddot{r}$ of the satellite's velo... | $$
- 0. 7 7 8 \mathrm{m} / {\bf s}^{2}
$$
$$
- 0. 3 8 8 \mathrm{m / s^{2}}
$$ | general_qa | 604 |
The following is a multiple choice question (with answers).
===Question
With 1 mol of an ideal gas ($N_{2}$) as the medium, the following cycle is formed: $A \to B$, an isothermal reversible process; $B \to C$, an isochoric process; $C \to A$, an adiabatic reversible process. It is known that $T_{A} = 1000 \ \mathrm{K}... | 41. 75%,0.5979 | general_qa | 341 |
The following is a multiple choice question (with answers).
===Question
Use the example below to answer the question that follows.
Which of the following best describes the seventh chord in the above example?
L:1/4
M:4/4
K:D
[FGBd]4 |] %1
===Choices
Minor seventh in second inversion
Major/minor seventh in third invers... | Major seventh in third inversion | general_qa | 93 |
The following is a multiple choice question (with answers).
===Question
A point mass oscillates along the x-axis according to the law $x = {x_0}cos\left( {\omega t - \frac{\pi }{4}} \right)$ acceleration of the particle is written as $a = Acos\left( {\omega t + \delta } \right)$, then
===Choices
$$A = {X_0}{\omega},\d... | $$A = {X_0},\delta = \frac{\pi }{4}$$ | general_qa | 312 |
The following is a multiple choice question (with answers).
===Question
John divided his souvenir hat pins into two piles. The two piles had an equal number of pins. He gave his brother one-half of one-third of one pile. John had 66 pins left. How many pins did John originally have?
===Choices
80
72
90
396
66
36
48
6 ... | Both 72 and 6 * 12 are correct | general_qa | 110 |
The following is a multiple choice question (with answers).
===Question
What did Xunzi of China advocate for managing social order?
===Choices
Laws
Religious
land
Education
Social welfare
Rites
Trade
Economic reforms
Taxes
Military | Rites | general_qa | 56 |
The following is a multiple choice question (with answers).
===Question
High school students "real me" and "ideal me" through the struggle is difficult to unify, this self-consciousness development belongs to ___.
===Choices
Self-reflective type
Self-discovery type
Self-expanding type
Self-balancing type
Self-evolving... | Self-contradictory type | general_qa | 100 |
The following is a multiple choice question (with answers).
===Question
Find the prime factorization of 30!.
===Choices
$$
3 0!=2^{2 2} \cdot3^{1 4} \cdot5^{5} \cdot7^{4} \cdot1 1^{2} \cdot1 3^{2} \cdot1 8 \cdot1 9 \cdot2 3 \cdot2 9
$$
$$
3 0!=2^{2 3} \cdot3^{1 3} \cdot5^{5} \cdot7^{5} \cdot1 1^{2} \cdot1 3^{2} \cdot1... | $$
3 0!=2^{2 3} \cdot3^{1 4} \cdot5^{5} \cdot7^{4} \cdot1 1^{2} \cdot1 3^{2} \cdot1 7 \cdot1 9 \cdot2 3 \cdot2 9
$$ | general_qa | 736 |
The following is a multiple choice question (with answers).
===Question
Find the contributions of the conductivities of individual ions (ionic equivalent conductance \lambda_+ and \lambda_-) when٨(equivalent ٨ conductance of electrolytic solution) = 0.0412 m^2 /(\Omega) (mol) and t_+ = 0.825.
===Choices
\lambda_+ = 0.... | \lambda_+ = 0.03399 m^2 / (Ω) (mol), \lambda_- = 0.00721 m^2 / (Ω) (mol) | general_qa | 522 |
The following is a multiple choice question (with answers).
===Question
The most important difference in the quantitative biochemical analysis of cerebrospinal fluid in children with viral encephalitis (or meningoencephalitis) compared with purulent meningitis is ____.
===Choices
Potassium levels are balanced.
Chlorid... | Glucose quantification is normal. | general_qa | 121 |
The following is a multiple choice question (with answers).
===Question
For the random variable 5, D(105) = 10, then D(ξ) = (). Here, D(ξ) represents the variance of the random variable ξ.
===Choices
10
20
0.1
100
200
5
0.5
2
50
1 | 0.1 | general_qa | 88 |
The following is a multiple choice question (with answers).
===Question
The subarachnoid space inflammation of bacterial meningitis, which is caused by a gram-negative bacterium, is induced by which one component of the bacteria?
===Choices
Lipopolysaccharide (LPS)
Lipopolysaccharide (LPS) precursor
Inner membrane
Lip... | Lipopolysaccharide (LPS) | general_qa | 130 |
The following is a multiple choice question (with answers).
===Question
A $50kg$ boy stands on a plateform spring scale in a lift that is going down with a constant speed $3 m/s$ . If the lift is brought to rest by a constant deceleration in a distance of $9m$ what does the scale read during this period ?$(g=9.8m/s^2)$... | $$515N$$ | general_qa | 156 |
The following is a multiple choice question (with answers).
===Question
Which of the following is correct about Type IV hypersensitivity reaction?
===Choices
Involves complement
Involves activation of B cells
Occurs within 30 minutes after contact with allergen
Involves activation of T cells
Involves activation of bot... | The mechanism is the same as cellular immunity | general_qa | 112 |
The following is a multiple choice question (with answers).
===Question
_______ are typical examples of architecture from the Wei, Jin, and Northern and Southern Dynasties periods in China.
===Choices
The Temple of Heaven in Beijing.
The Longmen Grottoes in Luoyang.
The Northern Wei capital of Luoyang.
The Forbidden C... | The Northern Wei capital of Luoyang. | general_qa | 125 |
The following is a multiple choice question (with answers).
===Question
What educational method in moral education focuses on nurturing the positive character development of learners?
===Choices
Ideological Education
Cultural Sensitivity Workshops
Leadership Skill Development
Political Education
Social Behavior Modeli... | Moral Education | general_qa | 80 |
The following is a multiple choice question (with answers).
===Question
A 55-year-old man come to see the doctor with a chief complaint of insomnia two days, he has drunk alcoholic beverage about 30 years. He has tried to quit drink- ing several times, but he has been unable to stop.Two days ago, he tried to stop drink... | benzodiazepine | general_qa | 152 |
The following is a multiple choice question (with answers).
===Question
There are three species of fruit doves that all feed on the fruits of a certain plant, but they consume fruits from different parts of the plant. What is the most reasonable explanation for this phenomenon?
===Choices
Dietary Convergence
Habitat d... | Niche Differentiation | general_qa | 108 |
The following is a multiple choice question (with answers).
===Question
According to Georg Wilhelm Friedrich Hegel, what are the three Romantic arts?
===Choices
Painting, music, and poetry.
Painting, music, and dance.
Painting, music, and sculpture.
Painting, music, and architecture.
Painting, sculpture, and theater.
... | Painting, music, and poetry. | general_qa | 112 |
The following is a multiple choice question (with answers).
===Question
The plane takes off along the flight deck of the aircraft carrier, with the runway being $160m$ long and forming an $18°$ angle with the ship's hull. The carrier's cruising speed is $v_{o}=50\mathrm{km/h}$, and the wind is blowing in the opposite d... | $$
7. 7 4 \, \mathrm{m} / {\mathrm{s}}^{2}
$$ | general_qa | 416 |
The following is a multiple choice question (with answers).
===Question
A rectangular frame $ABCD$ made of a uniform metal wire has a straight connection between $E$ and $F$ made of the same wire as shown in figure. $AEFD$ is a square of side $1m$ and $EB=FC=0.5m$. The entire circuit is placed in a steadily increasing,... | $\dfrac{7}{22} $A, E to A; $\dfrac{6}{22}$A, B to E; $\dfrac{1}{22}$A, F to E | general_qa | 533 |
The following is a multiple choice question (with answers).
===Question
As a representative animal of the order Xiphosura, what type of body cavity does the horseshoe crab possess?
===Choices
Primary body cavity
Unicellular body cavity
Nonexistent body cavity
Secondary body cavity
Both the primary body cavity and seco... | Hybrid Cavity | general_qa | 98 |
The following is a multiple choice question (with answers).
===Question
Hot melt adhesives are primarily composed of resin, tackifiers, plasticizers, waxes, ______, and fillers.
===Choices
solvent carriers
texture agents
fragrance additives
antioxidants
viscosity regulators
pigment binders
emulsifiers
antimicrobials
s... | antioxidants | general_qa | 84 |
The following is a multiple choice question (with answers).
===Question
Calculate $\Delta H^o$ for the reaction,
$Na_2O(s) + SO_3(g) \rightarrow Na_2SO_4(g)$ using the following :
$$Na(s) + H_2O(l) \rightarrow NaOH(s) + \dfrac{1}{2}H_2(g); \Delta H^o = -146 kJ$$
$$Na_2SO_4(s) + H_2O(l) \rightarrow 2NaOH(s) + SO_3(g); \... | - 581 kJ | general_qa | 256 |
The following is a multiple choice question (with answers).
===Question
True about composition of hospital waste
===Choices
Paper 10%
Metal 1%
Metal 1.2%
Metal 1.8%
Metal 2%
Metal 4%
Metal 0.5%
Infectious waste 3%
Metal 1.5%
Glass 5% | Metal 1% | general_qa | 76 |
The following is a multiple choice question (with answers).
===Question
In the entire administrative execution process, which stage is the most substantial and critical?
===Choices
Analysis Stage
Execution Stage
Coordination Stage
Preparation Stage
Decision-Making Phase
Evaluation Stage
Summary Stage
Implementation Ph... | Implementation Phase | general_qa | 66 |
The following is a multiple choice question (with answers).
===Question
What is the conversion rate of the second-order reaction $\mathrm{A+B} \to \mathrm{P}$ in a laminar flow tubular reactor? Given: $k = 100 \, \mathrm{cm}^{3} / (\mathrm{mol} \cdot \mathrm{s})$, average residence time $\bar{t} = 10 \, \mathrm{s}$, $c... | 0.451 | general_qa | 210 |
The following is a multiple choice question (with answers).
===Question
Given the curve $L: y=\frac{4} {9} x^{2} \left(x \geqslant0 \right)$, point
$O \left(0, 0 \right)$, point $A \left(0, 1 \right)$Let $P$ be the moving point on $L$, $S$ is the area of the graph enclosed by the straight line $O A$, the straight line ... | $10$ | general_qa | 195 |
The following is a multiple choice question (with answers).
===Question
A 72-year-old female recently fractured her hip in a fall. She suffers from regular joint pain in her fingers, and hip X-rays reveal low bone mineral density. She has a history of diabetes mellitus and was diagnosed 2 years ago with end-stage renal... | Increased serum parathyroid hormone | general_qa | 141 |
The following is a multiple choice question (with answers).
===Question
When conducting random quality inspections of mine roadway engineering, the pass rate should be at or above ()
===Choices
77%
87%
60%
75%
85%
80%
65%
90%
95%
70% | 80% | general_qa | 66 |
The following is a multiple choice question (with answers).
===Question
The helium atom transitions from the state $1s2p {^{3}P_{2, 1, 0}}$ to $1s2s{^{3}S_{1}}$. How many spectral lines can be produced?
===Choices
9
7
4
1
0
5
6
8
2
3 | 3 | general_qa | 86 |
The following is a multiple choice question (with answers).
===Question
A 30-year-old female patient was admitted to the hospital with fever, excessive sweating, and joint pain for one month. One month ago, she developed fever without obvious cause, with a body temperature of 38-39°C, intermittent fever, profuse sweati... | Brucella agglutination test | general_qa | 336 |
The following is a multiple choice question (with answers).
===Question
Which of the following should be included in GDP?
===Choices
Stocks purchased by teenagers
Investments in personal portfolios
Money saved in savings accounts
Money saved by housewives
Flour purchased by bakeries
Flour purchased by housewives
Money... | Flour purchased by housewives | general_qa | 88 |
The following is a multiple choice question (with answers).
===Question
Calculate the $[ OH^-]$ in $0.01\space M$ aqueous solution of $NaOCN\space (K_b $ for $OCN^- = 10^{-10})$
===Choices
$$10^{-7}\space M$$
$$10^{-12}\space M$$
$$10^{-10}\space M$$
$$10^{-6}\space M$$
$$10^{-8}\space M$$
$$None\ of\ these$$
$$10^{-4... | $$None\ of\ these$$ | general_qa | 162 |
The following is a multiple choice question (with answers).
===Question
From which university in the District of Columbia did New York State Representative Andrew Garbarino earn a Bachelor of Arts degree in History and Classical Humanities?
===Choices
Georgetown University
American University
Howard University
Univers... | George Washington University | general_qa | 84 |
The following is a multiple choice question (with answers).
===Question
Using A-law 13-piece line coding, set the minimum quantization interval as 1 quantization unit. Given that the sampled pulse value is -252 quantization units, the output code group of the encoder is _____, the quantization error is ___, and the cor... | 01001111, 4 quantized units, 00001111000 | general_qa | 363 |
The following is a multiple choice question (with answers).
===Question
In which year was the Ho Ann Kiong Temple in Malaysia established?
===Choices
1803
1801
1806
1800
1802
1805
1804
1807
1799
1808 | 1801 | general_qa | 81 |
The following is a multiple choice question (with answers).
===Question
A chain of length $l$ lies in a pile on the floor and its mass per unit length linearly increases from $\lambda$ to $2\lambda$ from end point $A$ to end point $B$. If its end point $A$ is raised vertically by applying force applied force at a const... | The graoh between the applied force and $y$ is straight line (after losing the contact) | general_qa | 215 |
The following is a multiple choice question (with answers).
===Question
A small body of mass $m$ is located on a horizontal plane at the point $O$. The body acquires a horizontal velocity $v_0$. Find the mean power developed by the friction force during the whole time of motion, if the friction coefficient $k=0.27$, $m... | $$2\:W$$ | general_qa | 162 |
The following is a multiple choice question (with answers).
===Question
Which of the following statements about sets is INCORRECT?
===Choices
The intersection of sets has at least one element and has an identity element.
The complement of a set is also a set.
The number of elements in an empty set cannot be 2004.
The ... | There exists a set whose elements satisfy a specific condition defining the set. | general_qa | 175 |
The following is a multiple choice question (with answers).
===Question
Given x[n] = [1, 3, 5], h[n] = [2, 4], and y[n] = x[n]*h[n], then y[2] = ( ).
===Choices
28
24
21
25
30
20
23
26
22
18 | 22 | general_qa | 89 |
The following is a multiple choice question (with answers).
===Question
Hereditary angioedema is caused by which type of complement deficiency?
===Choices
C1r deficiency
C1s deficiency
C1 inhibitor deficiency
C1q deficiency
C9 deficiency
C1 inhibitor deficiency (partial)
C4 deficiency
C2 deficiency
C3 deficiency
C1INH... | C1INH deficiency | general_qa | 80 |
The following is a multiple choice question (with answers).
===Question
A particle is hanging from a rigid support by a starting of length 1 m. It is struck inelastically by an identical particle moving horizontally velocity with $v=\sqrt {20}$ m/s. The tension in the string just after strike is [mass of each particle-... | 20 N | general_qa | 116 |
The following is a multiple choice question (with answers).
===Question
A disc of circumference of $s$ is at rest at a point A on a horizontal surface when a constant horizontal force begins to act on its centre. Between A and B there is sufficient friction to prevent slipping and the surface is smooth to the right of ... | the disc will cover a distance greater than $s$ in further time $T$, the disc will make one rotation in time $T/2$, and linear acceleration of the disc will increase | general_qa | 254 |
The following is a multiple choice question (with answers).
===Question
Given that the function $f ( x )$ is continuous on $(-\infty,+\infty)$, and $f ( x )=( x+1 )^{2}+2 {\int_{0}^{x}} f ( t ) \mathrm{d} t$, then for $n \geqslant2$ ,$f^{( n )} \left( 0 \right)=$ ( ).
===Choices
$5 \cdot2^{n-1}$
$6 \cdot2^{n-1}$
$3 \c... | $5 \cdot2^{n-1}$ | general_qa | 215 |
The following is a multiple choice question (with answers).
===Question
The term '______' refers to the overall fetal membranes, including a portion of the severed umbilical cord.
===Choices
chorion
gestational sac
yolk sac
umbilical vein
fetal lining
placenta
umbilical artery
amniotic sac
fetal tissue
maternal tissue | placenta | general_qa | 82 |
The following is a multiple choice question (with answers).
===Question
The vapour pressure of a certain liquid is given by the equation:$log_{10}P=3.54595+\dfrac {313.7}{T}+1.40655 log_{10}T$, where, P is the vapour pressure in mm and T is temperature in K. The molar latent heat of vaporisation as a function of temper... | $$1194$$ | general_qa | 179 |
The following is a multiple choice question (with answers).
===Question
Loosening and landslides are manifestations of which two stages in the evolution of slopes?
===Choices
soil erosion, slope decline
rock weakening, soil dispersion
ground subsidence, slope degradation
slope failure, slope deformation
rock deteriora... | slope deformation, slope failure | general_qa | 88 |
The following is a multiple choice question (with answers).
===Question
A small object is placed 50 cm to the left of a thin convex lens of focal length 30 cm. A convex spherical mirror of radius of curvature $100$cm is placed to the right of the lens at a distance of $50$cm. The mirror is tilted such that the axis of ... | (25, 25$\sqrt3$) | general_qa | 275 |
The following is a multiple choice question (with answers).
===Question
Stretching the grayscale range of the original image proportionally is referred to as( ).
===Choices
Intensity normalization
Non-linear mapping
Edge detection method
Contrast enhancement
Histogram equalization
Gamma correction
Fourier transformati... | Linear transformation | general_qa | 71 |
The following is a multiple choice question (with answers).
===Question
The equilibrium constant $(K_p)$ for the decomposition of gaseous $H_2O$
$${H_2}O(g)\leftrightharpoons {H_2}(g) + \frac{1}{2}{O_2}(g)$$
is related to degree of dissociated $\alpha $ at a total pressure $p$ is given by
===Choices
$$K_p = \frac{a^{3... | $${K_p} = \frac{{{a^{3/2}}{p^{1/2}}}}{{(1 - \alpha ){{(2 + \alpha )}^{1/2}}}}$$ | general_qa | 508 |
The following is a multiple choice question (with answers).
===Question
Double based smokeless gun powder consists of
===Choices
Nitrocellulose plus potassium nitrate
Nitrocellulose plus nitroglycerine
Nitrocellulose plus sulphur
Potassium nitrate plus charcoal
Potassium nitrate plus nitroglycerine | Nitrocellulose plus nitroglycerine | general_qa | 72 |
The following is a multiple choice question (with answers).
===Question
Which American demographer proposed the demographic transition theory in 1929?
===Choices
Warren Thompson
Frank Notestein
Warren S. T. Thompson
Warren T. S. Notestein
Warren S. Thompson
Frank W. Notestein
Warren T. Thompson
Warren S. T. Notestein
... | Warren Thompson | general_qa | 96 |
The following is a multiple choice question (with answers).
===Question
Compared with material capital, human capital has the following characteristics that _____.
===Choices
it is tangible
it is productive capital
it is measurable
it can bring income through investment
it is dependent
it is infinite
it stops earning
... | it is dependent | general_qa | 80 |
The following is a multiple choice question (with answers).
===Question
What is the relationship between chemical structure and toxic effects?
===Choices
The chemical structure of a compound determines its biological activity and physical and chemical properties.
Physical and chemical properties determine the biologic... | The chemical structure of a compound determines its chemical activity and physical and chemical properties. | general_qa | 164 |
The following is a multiple choice question (with answers).
===Question
What are Socrates, Plato, and Aristotle collectively known as?
===Choices
The Three Philosophers of Greece
The Three Athenian Sages
The Three Greek Philosophers
The Three Greek Sages
The Three Philosophers of Athens
The Three Athenian Philosophers... | The Three Greek Sages | general_qa | 101 |
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