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
A body of mass $5$ kg falls from a height of $20$ meters on the ground and it rebounds to a height of $0.2$ m. If the loss in potential energy is used up by the body, then what will be the temperature rise? (specific heat of material=$0.09\ cal\ gm... | $$0.52^0C$$ | general_qa | 168 |
The following is a multiple choice question (with answers).
===Question
Sediments deposited downward in the coastal canyons form sediments in the canyons, called ____.
===Choices
tectonic rift valleys
marine-pelagic platforms
shallow-reef barriers
deep-sea fans
coastal-basin dams
deep-marine embankments
shallow-sea fa... | deep-sea fans | general_qa | 104 |
The following is a multiple choice question (with answers).
===Question
The process of soil formation caused by poor drainage conditions in localized areas. This includes processes of podzolization and_____.
===Choices
ozonization
humidification
acidification
calcification
alkalinization
fertilization
nitrification
se... | salinization | general_qa | 79 |
The following is a multiple choice question (with answers).
===Question
Presence of diatoms in bone marrow are characteristic of which of the following?
===Choices
Strangulation
Asphyxiation
Putrefaction
Throttling
Near-drowning
Drowning | Drowning | general_qa | 55 |
The following is a multiple choice question (with answers).
===Question
The equation of motion of a projectile is y = ax - bx$^{2}$ where a and b are constants of motion. Match the quantities in Column I with the relations in Column II.
Column IColumn II(A)The initial velocity of projection(p)a/b(B)The horizontal range... | A-s,B-p,C-r,D-q | general_qa | 220 |
The following is a multiple choice question (with answers).
===Question
______ roots refer to roots that form from a fixed position on a plant.
===Choices
Rhizomic
Adventitious
Secondary
Tubular
Vascular
Propagative
Axillary
Fibrous
Primary
Tertiary | Adventitious | general_qa | 65 |
The following is a multiple choice question (with answers).
===Question
The loop $ABCD$ is moving with velocity $v$ towards right. The magnetic field is $4\ T$. The loop is connected to a resistance of $8\ ohm$. If steady current of $2\ A$ flow in the loop then value of $v$ if has a resistance of $4\ ohm$, is: (Given $... | $$\dfrac{100}{3}\ m/s$$ | general_qa | 221 |
The following is a multiple choice question (with answers).
===Question
The theory of late mercantilism advocates is ().
===Choices
Import Dependency Theory
Commodities Exchange Rule
Fiscal Equilibrium Concept
Currency Discrepancy Theory
Precious Metals Differential Theory
Asset Accumulation Doctrine
Economic Equality... | Trade Balance Theory | general_qa | 81 |
The following is a multiple choice question (with answers).
===Question
If the frequency of a plane sound wave is 1000 Hz and the displacement amplitude is $1 0^{-5} \text{ m}$, try to calculate the sound intensity under standard atmospheric pressure and temperature (20°C).
===Choices
$$
0. 5 8 \ \mathbf{W} / \mathbf{... | $$
0. 8 2 \ \mathbf{W} / \mathbf{m}^{2}
$$ | general_qa | 336 |
The following is a multiple choice question (with answers).
===Question
A particle has a velocity u towards the east at t = 0. Its acceleration is towards the west and is constant. Let $ { x }_{ A } $ and $ { x }_{ B } $ be the magnitude of displacements in the first 10 seconds and the next 10 seconds
===Choices
$$ {... | the information is insufficient to decide the relation of $ { x }_{ A } $ with $ { x }_{ B } $ | general_qa | 243 |
The following is a multiple choice question (with answers).
===Question
Which of the following compounds has the highest reactivity in sulfonation?
===Choices
Cresol
Phenol
Nitrobenzene
Aniline
Benzene
Toluene
Anisole | Phenol | general_qa | 59 |
The following is a multiple choice question (with answers).
===Question
Freezing temperature depression is a usefu the molecular weights of some molecules. One g of protein of molecular weight 100, 000 $\mathrm{g} \ \mathrm{m o l}^{-1}$ is in 1 g of water. What is the freezing temperature of the solution?
===Choices
$... | $$
0. 0 1 1 4 \mathrm{~ K}
$$ | general_qa | 280 |
The following is a multiple choice question (with answers).
===Question
In the automatic adjustment mechanism of the balance of payments under a fixed exchange rate system, ( ) can affect both the current account and the capital and financial account simultaneously.
===Choices
Cash Balance Adjustment Mechanism
Exchang... | Interest Rate Adjustment Mechanism | general_qa | 117 |
The following is a multiple choice question (with answers).
===Question
The particle size distribution of atmospheric pollutants is primarily represented in two ways: number distribution and ________.
===Choices
frequency distribution
length distribution
time distribution
speed distribution
volume distribution
mass di... | mass distribution | general_qa | 66 |
The following is a multiple choice question (with answers).
===Question
The average density of interstellar gas within the Local Bubble is much lower than the value mentioned in the text-- in fact, it is roughly $1 0^{3}$ hydrogen atoms/m?. Given that the mass of a hydrogen atom is $1. 7 \times1^{-2 7}$ kg, calculate t... | $$
1. 9 \mathrm{~ g r a m s}
$$ | general_qa | 279 |
The following is a multiple choice question (with answers).
===Question
Which of the following is the correct interpretation of the GM counter tube?
===Choices
Self-enhancement is necessary for promoting the accuracy of the Geiger-Müller counter.
The G-M counter operates in a limited proportionality region
The Geiger-... | Self-quenching is crucial for improving the timing response of the Geiger-Müller counter. | general_qa | 201 |
The following is a multiple choice question (with answers).
===Question
The pressure flow hypothesis provides a good explanation of the mechanism of assimilate transport in the phloem. Based on the content of the pressure flow hypothesis, can you deduce the relative magnitudes of water potential, osmotic potential, and... | Ψw, source < Ψw, reservoir; Ψs, source < Ψs, reservoir; Ψp, source > Ψp, reservoir | general_qa | 428 |
The following is a multiple choice question (with answers).
===Question
Kelvin waves move along coasts at midlatitudes. Consider the following:
a. In which direction (north or south) do Kelvin waves propagate if they move along the European Atlantic coast?
b. What is the Rossby deformation radius (\( R_D \)) of a Kelvi... | Northward, \( R_D = 10^6 \, \text{m} \), \( \tau = 10^4 \, \text{s} \) | general_qa | 585 |
The following is a multiple choice question (with answers).
===Question
What are the ways in which deadlocks can be prevented?
===Choices
Unlimited resource allocation, constant time access processes
Periodic checking of resource needs, preemptive multitasking
Permanent allocation rules, orderly resource distribution
... | Static allocation of resources, sequential allocation of resources | general_qa | 126 |
The following is a multiple choice question (with answers).
===Question
On which U.S. TV station did the Canadian reality series *To Serve and Protect* debut?
===Choices
KFVE-TV
KFOS-TV
KFMS-TV
KFME-TV
KFVO-TV
KVOS-TV
KFVS-TV | KVOS-TV | general_qa | 64 |
The following is a multiple choice question (with answers).
===Question
To which language family does Lezgin belong?
===Choices
Northwest Caucasian language family
Southwest Caucasian language family
Northeast Caucasian language subfamily
Northeast Caucasian language family
Caucasian language family
Indo-European lang... | Caucasian language family | general_qa | 88 |
The following is a multiple choice question (with answers).
===Question
What is the wall structure divided into load-bearing walls and non-load-bearing walls based on?
===Choices
vertical weight considerations of the base
lateral load conditions of the flooring
horizontal load environments of the ceiling
The Wind Resi... | vertical load conditions of the structure | general_qa | 102 |
The following is a multiple choice question (with answers).
===Question
Upon hydrogenation, the cis-1,4 and trans-1,4 isomers of polybutadiene become linear carbon chains, while the 1,2 addition isomers become carbon chains with ethyl side groups. The microstructure composition of a polybutadiene sample with a relative... | $47.6$ | general_qa | 211 |
The following is a multiple choice question (with answers).
===Question
Given any convex pentagon whose vertices (no three of which are collinear) have integer coordinates find the minimum possible areas it can cover?
===Choices
\frac{13}{2}
\frac{9}{2}
\frac{10}{2}
\frac{7}{2}
\frac{4}{2}
\frac{3}{2}
\frac{5}{2}
\fra... | \frac{5}{2} | general_qa | 118 |
The following is a multiple choice question (with answers).
===Question
We now define an algorithm: The definition of a(n) is the expansion of 1 + k in powers of q^(1/2) where q is Jacobi's nome and k is the elliptic modulus. Given the input x_list (a series of values): [39, 40, 41, 42, 43, 44, 45, 46, 47, 48], determi... | [-3682400, 0, 5831784, 0, -9141808, 0, 14194200, 0, -21842368, 0] | general_qa | 740 |
The following is a multiple choice question (with answers).
===Question
A bipolar rectangular non-return-to-zero 2PAM signal is subject to interference from power spectral density of $n_{0}/2$ additive white Gaussian noise $n_{w}(t)$. Given that the probabilities of transmitting a positive polarity pulse $S_{1} (t)$ an... | $n_{0}ln2/4$ | general_qa | 211 |
The following is a multiple choice question (with answers).
===Question
openSUSE uses _____________ to add and remove software packages.
===Choices
SUSE software center
PackageKit
GNOME Software
App Store
SUSE Manager
KDE Application Manager
Zypper
Google Play
YaST software management
YaST configuration management | YaST software management | general_qa | 71 |
The following is a multiple choice question (with answers).
===Question
Find the center of symmetry of the curve of $f(x) = \frac{ x^2 + 2 \cdot x - 1 }{ 1 - x }$.
===Choices
(1, -9)
(1, -1)
(1, -6)
(1, -2)
(1, -10)
(1, -5)
(1, -8)
(1, -7)
(1,-4)
(1, -3) | (1,-4) | general_qa | 115 |
The following is a multiple choice question (with answers).
===Question
The commonly used asexual reproduction methods in forestry production include cutting, grafting, and ______.
===Choices
root division
soil fertilization
natural pollination
tissue culture
sunlight exposure
leaf pruning
water irrigation
stem bendin... | tissue culture | general_qa | 71 |
The following is a multiple choice question (with answers).
===Question
Which of the following is not included in the calculation of gross domestic product (GDP)?
===Choices
creation of digital content by a tech startup
retail store income from selling electronic gadgets
government payment of relief funds to impoveris... | government payment of relief funds to impoverished families | general_qa | 113 |
The following is a multiple choice question (with answers).
===Question
Japan used the League of Nations' refusal to recognize "Manchukuo" as an excuse to withdraw from the League. When did this withdrawal take place?
===Choices
September 1931
March 1933
December 1932
January 1934
October 1934
June 1933
November 1933
... | February 1933 | general_qa | 118 |
The following is a multiple choice question (with answers).
===Question
A mass of $3.9kg$ suspended from a string of length $0.5m$ is at rest. Another body of mass $0.1kg$ moving horizontally with a velocity $200m{s}^{-1}$ strikes and sticks to it. The tension in the string when it males ${60}^{o}$ with the vertical is... | $$180N$$ | general_qa | 161 |
The following is a multiple choice question (with answers).
===Question
A mineral sample mainly contains dolomite. Thermogravimetric analysis measures the decomposition of CO\(_2\) at 800°C as \(\omega(\text{CO}_2) = 18.5\%\), and at 960°C as \(\omega(\text{CO}_2) = 21.9\%\). Assuming the sample only contains MgCO\(_3\... | 77.33% | general_qa | 218 |
The following is a multiple choice question (with answers).
===Question
Extension of enamel cord to meet the outer enamel epithelium is known as:
===Choices
Enamel bridge.
Enamel knot.
Enamel navel.
Enamel connection.
Enamel link.
Enamel junction.
Enamel cord.
Enamel strand.
Enamel septum. | Enamel septum. | general_qa | 71 |
The following is a multiple choice question (with answers).
===Question
Chloride samples are prepared for analysis by using $NaCl, KCl$ and $ NH_{4}Cl $ separately or as mixture. What minimum volume of $5$% by weight $AgNO_{3}$ solution (specific gravity $= 1.02\:g\:mL^{-1})$ must be added to a sample of $0.321$ g, in ... | $20$ mL | general_qa | 159 |
The following is a multiple choice question (with answers).
===Question
The given figure shows a heavy block of mass $M$ kept on a frictionless surface and being pulled by two ropes of equal mass $m$. At $t=5s$ the force on the left rope is withdrawn but the force on the right end continues to act. Find the magnitude o... | $$\cfrac{mF}{(M+2m)}$$ | general_qa | 253 |
The following is a multiple choice question (with answers).
===Question
The sum of the width of the contiguous zone and the territorial sea shall not exceed ().
===Choices
26 nautical miles
23 nautical miles
24 nautical miles
12 nautical miles
22 nautical miles
18 nautical miles
28 nautical miles
25 nautical miles
200... | 24 nautical miles | general_qa | 95 |
The following is a multiple choice question (with answers).
===Question
Calculate the resolution of the 2.4-m mirror of the Hubble Space Telescope at a wavelength of $0. 5 \times1 0^{-6} \mathrm{m}$ . How large would an array of radio
telescopes operating at a wavelength of 0.06 m need to be to equal this
resolution?
... | $$
2. 8 8 \times1 0^{5} \mathrm{m}
$$ | general_qa | 317 |
The following is a multiple choice question (with answers).
===Question
In a complete system of simultaneous equations containing G endogenous variables, when the identified order conditions are
$$
\mathrm{M-N_{i} < G-1}
$$
(M is the total number of endogenous and predetermined variables in the system of joint equation... | The ith equation is unrecognizable. | general_qa | 178 |
The following is a multiple choice question (with answers).
===Question
( X_1 ,X_2 ,\cdot \cdot \cdot ,X_{10} ) is a sample from the population ( N(0,;0.09) ). Then ( P{\sum\limits_{i=1}^{10} {X_i^2 }>1.44}= )( ).
===Choices
0.11
0.07
0.1
0.08
0.05
0.09
0.15
0.95
0.9
0.12 | 0.1 | general_qa | 133 |
The following is a multiple choice question (with answers).
===Question
If the speed of an airplane is measured by means of a stagnation tube, what correction must be applied to the constant-density indication when the plane is cruising at 300 mph?
===Choices
0 mph
- 5 mph
5 mph
10 mph
-30 mph
-15 mph
-20 mph
15 mph
2... | - 5 mph | general_qa | 98 |
The following is a multiple choice question (with answers).
===Question
The Natural host/s of Dengue virus is/are?
===Choices
Human
Fish and Birds
Plants and Bacteria
Mosquitoes
Snakes and Lizards
Monkey
Monkey, human and mosquitoes
Cat and Dog
Monkey and Human
Cows and Goats | Monkey and Human | general_qa | 72 |
The following is a multiple choice question (with answers).
===Question
What year was the municipality of Salgar, Antioquia, Colombia, founded?
===Choices
1879
1882
1884
1877
1881
1878
1885
1880
1883
1876 | 1880 | general_qa | 83 |
The following is a multiple choice question (with answers).
===Question
Two capacitors $C_{1} = C_{2} = \dfrac{1}{\pi^2} \times 10^{-2}F$ and inductor $L = 2 \times 10^{-2}H$ are connected in series as shown in the figure, initially charge on each capacitors are $4\sqrt{3}\mu C.$ At $t = 0$ switch $S_{1}$ is closed and... | $$3\mu C$$ | general_qa | 220 |
The following is a multiple choice question (with answers).
===Question
Please select suitable circuits to form a two-stage amplifier circuit based on the following requirements: the input resistance should be between 1kΩ and 2kΩ, and the voltage gain should be greater than 3000. The first stage should use ( ), and the... | Common-emitter circuit; Common-emitter circuit | general_qa | 168 |
The following is a multiple choice question (with answers).
===Question
The ocean bill of lading that can be transferred by endorsement is ( ).
===Choices
Consignment Bill of Lading
Received for Shipment Bill of lading
Straight Bill of Lading
Freight Bill of Lading
Negotiable Bill of Lading
Order Bill of Lading
Bearer... | Order Bill of Lading | general_qa | 101 |
The following is a multiple choice question (with answers).
===Question
Li is a graduate of a regular university, 23 years old, and has not yet found employment. According to the Constitution and laws, which of the following options regarding Li's rights and obligations is correct?
===Choices
Has the right to vote and... | Has the right to vote and be elected | general_qa | 160 |
The following is a multiple choice question (with answers).
===Question
In meteorological observations, what formulas are commonly used to calculate isobaric potential heights and to convert sea level pressure?
===Choices
Formula for isothermal ocean depth calculation
Formula for sea level temperature exchange
Equatio... | Equation for isothermal atmospheric pressure height | general_qa | 115 |
The following is a multiple choice question (with answers).
===Question
There is a multi-stage small-signal tuned amplifier with a single tuning circuit resonating at the same frequency. Its center frequency is $f_{0} = 30 \mathrm{MHz}$, and at the operating point, each transistor has the same $\mathbf{Y}$ parameters: ... | $$
K_{u 0}=K_{u Y}
$$ | general_qa | 411 |
The following is a multiple choice question (with answers).
===Question
In the given circuit, initially switch $S_1$ is closed, and $S_2$ and $S_3$ are open. After charging of capacitor, at $t=0, S_1$ is opened and $S_2$ and $S_3$ are closed. If the relation between inductance, capacitance and resistance is $L=4CR^2$, ... | 1 | general_qa | 173 |
The following is a multiple choice question (with answers).
===Question
Given a spherical soap bubble with a diameter of 0.1 cm. Assume the pressure of the air surrounding the soap bubble is $1.013 \times 10^{s} \mathrm{Pa}$, and the surface tension coefficient at the water-air interface is $\alpha = 72 \times 10^{-5} ... | 101588Pa | general_qa | 189 |
The following is a multiple choice question (with answers).
===Question
Given the coefficient matrix of the controlled system (sum(A, b, c^T)) as ( A=left[ begin{matrix} -5 & 0 1 & 0 end{matrix} right] , b=left[ begin{matrix} 100 0 end{matrix} right], c^T=left[ begin{matrix} 0 &1 end{matrix} right] ), design a reduced-... | (dot{hat{x}_1}=-10hat{x}_1+100u+5dot{y}) | general_qa | 381 |
The following is a multiple choice question (with answers).
===Question
When did the construction of Chichester Cathedral begin?
===Choices
1073
1085
1080
1065
1075
1077
1078
1076
1070
1074 | 1075 | general_qa | 77 |
The following is a multiple choice question (with answers).
===Question
The components of the salary structure include base salary, bonuses, various benefits and allowances, and what else is there?
===Choices
Vacation days
Stock options
Job titles
Work hours
Insurance
Retirement plans
Company cars
Security clearances
... | Insurance | general_qa | 71 |
The following is a multiple choice question (with answers).
===Question
What is the wavelength of the photon emitted when the spin orientation changes, with the electron in a magnetic field of 0.5T?
===Choices
$$
2. 4 5 ( \mathrm{c m} )
$$
$$
2. 5 6 ( \mathrm{c m} )
$$
$$
2. 1 4 ( \mathrm{c m} )
$$
$$
1. 8 6 ( \mathrm... | $$
2. 1 4 ( \mathrm{c m} )
$$ | general_qa | 224 |
The following is a multiple choice question (with answers).
===Question
The electrical resistance of a column $0.07\ mol^{-1}\ NaOH$ solution of diameter $1\ cm$ and length $55\ cm$ is $5\times 10^{3}ohm$. What will be its molar conductivity $(\pi =\dfrac {22}{7})$.
===Choices
$$25\ Scm^{2}mol^{-1}$$
$$200\ Scm^{2}mol... | $$50\ Scm^{2}mol^{-1}$$ | general_qa | 244 |
The following is a multiple choice question (with answers).
===Question
If the tangent to the plane curve C at every point is perpendicular to the line connecting the tangent point and the origin, then the equation of this curve is ().
===Choices
$$x^{3}+y^{3}=c$$
$$x^{2}+y^{3}=c$$
$$x^{2}+y^{2}=c$$
$$y^{2}-x^{2}=c$$
... | $$x^{2}+y^{2}=c$$ | general_qa | 161 |
The following is a multiple choice question (with answers).
===Question
What physical processes of circulation acceleration are induced by the inertial term in the relative circulation theorem?
===Choices
Altering of chemical composition and a fluctuation in altitude
A difference in pressure gradient and a shift in fl... | A change in the area enclosed by the loop and a change in mean latitude | general_qa | 170 |
The following is a multiple choice question (with answers).
===Question
All roots of the system characteristic equation being in the left half of the root plane is the system stability
===Choices
Primary but not secondary condition
Critical yet unstable condition
Either necessary or sufficient condition
Complete but n... | Sufficient and necessary condition | general_qa | 101 |
The following is a multiple choice question (with answers).
===Question
Which of the following signs suggest benign nature in the evaluation of solitary pulmonary nodule on CT scan?
===Choices
Presence of fat cells within the lesion
Air bronchogram in nodule
Presence of fat cells in the surrounding tissue
Presence of ... | Fat density within the lesion | general_qa | 95 |
The following is a multiple choice question (with answers).
===Question
The method used for studying of horizontal changes in the sub-soil is __.
===Choices
Mean resistivity
Gravimetric analysis
Stratigraphic profiling
Critical distance
Magnetic surveying
Resistive soundings
Subsoil tomography
Resistive mapping
Geothe... | Resistive mapping | general_qa | 82 |
The following is a multiple choice question (with answers).
===Question
What did Edvard Bull Sr., the Norwegian politician, die of in 1932?
===Choices
Stroke
Brain Aneurysm
Kidney Failure
Pancreatic Cancer
Lung Cancer
Brain Tumor
Brain Infection
Heart Attack
Liver Failure
Brain Hemorrhage | Brain Tumor | general_qa | 77 |
The following is a multiple choice question (with answers).
===Question
When the atmospheric pressure is equal to 30.26 inches of mercury, what is the reading on a barometer using carbon tetrachloride as the measuring liquid at 68 degrees Fahrenheit ?
===Choices
$$
2 0. 7 5 \mathrm{f t}
$$
$$
1 6. 7 8 \mathrm{f t}
$$
... | $$
1 8. 8 2 \mathrm{f t}
$$ | general_qa | 239 |
The following is a multiple choice question (with answers).
===Question
Which of the following is a rate-based separation process?
===Choices
Centrifugal Separation
Absorption
Membrane Separation
Chromatography
Precipitation
Sublimation
Filtration
Distillation
Sedimentation
Crystallization | Membrane Separation | general_qa | 71 |
The following is a multiple choice question (with answers).
===Question
What substances inhibit gastric juice secretion?
===Choices
Lipase
Cholecystokinin
ACh
Hydrochloric acid
Gastrin
Insulin
Glucagon | Hydrochloric acid | general_qa | 53 |
The following is a multiple choice question (with answers).
===Question
What are the environmental noises at frequencies of 50-500Hz and 500-25000Hz respectively?
===Choices
ship noise and wind-generated noise
traffic roar and construction banging
industrial machinery and city rumble
marine movement and atmospheric no... | ship noise and wind-generated noise | general_qa | 113 |
The following is a multiple choice question (with answers).
===Question
At $1600^\circ$C, using an oxygen probe with reference electrode $\mathrm{Cr}+\mathrm{Cr}_{2}\mathrm{O}_{3}$ to measure the oxygen in molten steel, the cell structure is $\mathrm{Cr}, \mathrm{Cr}_{2}\mathrm{O}_{3} \mid \mathrm{ZrO}+( \mathrm{CaO} )... | $$
w \left[ \ 0 \ \right]_{\%} < 2. 5 9 5 \times1 0^{-3}
$$ | general_qa | 640 |
The following is a multiple choice question (with answers).
===Question
What was the pseudonym of the Swiss painter Erich Wassmer?
===Choices
Rikko
Rikkoo
Ricko
Rikco
Riccoo
Rikkco
Rico
Rikcco
Rikcoo
Ricco | Ricco | general_qa | 70 |
The following is a multiple choice question (with answers).
===Question
Inject $50 \mu W$ of optical power into a $500 m$ long optical fiber. If the power received at the end is $38 \mu W$, what is the loss per kilometer of the optical fiber in $dB/km$? If the fiber is 5 km long, what is the output optical power?
===C... | 2.38dB/km,3.23μW | general_qa | 238 |
The following is a multiple choice question (with answers).
===Question
The function $f(x) = \ln(x - \sqrt{x^2 - 1})$, find the value of $f(30)$. If a six-digit function table is used for the square root, what is the error when finding the logarithm? If another equivalent formula is used:$\ln(x - \sqrt{x^2 - 1}) = -\ln... | $$
\varepsilon( f^{^{*}} ) \approx0.3\times10^{-2}
$$
$$
\varepsilon( f^{*} ) \approx0.834\times10^{-6}
$$ | general_qa | 649 |
The following is a multiple choice question (with answers).
===Question
A 40-year-old man presents to the physician for a pre-employment medical check-up. He has no symptoms and his past medical history is insignificant. He is a non-smoker. His temperature is 36.9°C (98.4°F), the heart rate is 76/min, the blood pressur... | Thin-section computed tomography (CT) through the nodule | general_qa | 369 |
The following is a multiple choice question (with answers).
===Question
What does the internal force diagram look like at the section where the beam is under concentrated load?
===Choices
M diagram has a sudden change, Q diagram has a turn
M diagram has no change, Q diagram is smooth and continuous
Q diagram has no ch... | Q diagram has a sudden change, M diagram has a turn | general_qa | 154 |
The following is a multiple choice question (with answers).
===Question
The apical meristem consists of ___ and ___ in terms of its origin.
===Choices
the apical meristem, the primary meristem
the secondary meristem, the proximal meristem
the axial meristem, the pivotal meristem
the basal meristem, the lateral meriste... | the primary meristem, the incipient meristem | general_qa | 136 |
The following is a multiple choice question (with answers).
===Question
A pulsating spherical source with a radius of 0.02 m radiates sound waves in water at a frequency of $1000 \mathrm{~Hz}$, with a vibration velocity amplitude on the surface of the sphere of $0.05 \ m/s$. Determine the sound power radiated by this s... | $$
0. 0 6 \mathrm{~ W}
$$ | general_qa | 245 |
The following is a multiple choice question (with answers).
===Question
The command to add 30 to the diagonal elements of matrix A is ( ).
===Choices
A+30*eye(length(A))
A+30*eye(scale(A))
A+30*eye(count(A))
A+30*eye(rank(A))
A+30*eye(volume(A))
A+30*eye(capacity(A))
A+30*eye(order(A))
A+30*eye(dim(A))
A+30*eye(size(A... | A+30*eye(size(A)) | general_qa | 125 |
The following is a multiple choice question (with answers).
===Question
Which Cryptographic system uses $\mathsf{C} 1=( \mathsf{e} 1^{\mathsf{r}} )$ mod p and ${\mathsf{C 1}}=( \mathrm{e 2}^{\mathsf{r}} \times{\mathsf{P}} )$ mod $\mathbf{p}$ at the encryption side?
===Choices
ECC
RSA
Whirlpool
SHA-256
Rabin
DSA
Triple... | Elgamal | general_qa | 131 |
The following is a multiple choice question (with answers).
===Question
When two liquids of different densities are superimposed, what is the wave produced at their superimposed interface?
===Choices
Serio
Nepo
Kendri
Epo
Nurd
Fispa
Yusha
Wona
Maro
Telo | Nepo | general_qa | 73 |
The following is a multiple choice question (with answers).
===Question
What is the Book of Kells?
===Choices
a 9th-century illuminated manuscript.
from the early 7th or late 6th century.
from the late 7th or early 8th century.
the text of the Acts of Paul.
from the early 8th or late 9th century.
from the late 8th or ... | from the late 8th or early 9th century. | general_qa | 130 |
The following is a multiple choice question (with answers).
===Question
Which component does the resistance of wood to fire mainly depend on?
===Choices
bark
resin
tannin
cellulose
lignin
silica
water
hemicellulose
sapwood | water | general_qa | 61 |
The following is a multiple choice question (with answers).
===Question
What is the principle of treatment for psychosomatic diseases?
===Choices
The use of body-relaxation techniques.
Strengthen bodily immune responses.
the principle of combining mind and body.
Cultivate a sound personality.
Enhancing physical activi... | the principle of combining mind and body. | general_qa | 94 |
The following is a multiple choice question (with answers).
===Question
Among the legal norms within the scope of international private law listed below, which norm belongs to the method of indirect adjustment?
===Choices
Article 22 of China's Contract Law: 'Contractual disputes shall be resolved under the law applica... | Article 144 of China's General Principles of Civil Law: 'The ownership of immovable property is governed by the law of the location of the immovable property. | general_qa | 340 |
The following is a multiple choice question (with answers).
===Question
The cause of pulmonary hemorrhage caused by acute left heart failure is?
===Choices
Pulmonary vein medium branch rupture
Pulmonary vein small branch rupture
Increased leakage of pulmonary artery end capillaries
Pulmonary artery large branch ruptur... | Increased leakage of pulmonary vein end capillaries | general_qa | 120 |
The following is a multiple choice question (with answers).
===Question
Two point charges $q_{1}=4.0 \, \mu\mathrm{C}$ and $q_{2}=8.0 \, \mu\mathrm{C}$ are 10 cm apart. What is the magnitude of the electric field $E$ and the angle it forms at a point 10 cm away from both charges?
===Choices
$$
\boldsymbol{E}=( \boldsy... | $$
\boldsymbol{E}=( \boldsymbol{-1}. 8 \boldsymbol{i}+9. 3 \boldsymbol{j} ) \times1 0^{6} \ \mathrm{N / C};\alpha=1 0 1^{\circ}
$$ | general_qa | 711 |
The following is a multiple choice question (with answers).
===Question
The effect of the front end of the tracheal catheter on the opening of one side hole in the side tube wall is ().
===Choices
Reduce the flow resistance of tracheal tubes
Corresponding to the opening of the upper lobe of the right lung bronchus
Pre... | Prevent airway blockage caused by the bevel sticking to the air tube wall | general_qa | 193 |
The following is a multiple choice question (with answers).
===Question
In a constant electric field, the total current flowing into or out of a closed surface is equal to ( ).
===Choices
zero
the rate of change of the total charge with time multiplied by the inverse of the dielectric constant
the rate of change of th... | zero | general_qa | 182 |
The following is a multiple choice question (with answers).
===Question
Obstructive ventilatory impairment caused by incomplete obstruction of the bronchioles can lead to ( ).
===Choices
Atelectasis
Emphysema
Pneumothorax
Idiopathic pulmonary fibrosis
Bronchiectasis
Pleural effusion
Chronic bronchitis
Hypersensitivity... | Emphysema | general_qa | 100 |
The following is a multiple choice question (with answers).
===Question
What is the normal distribution of particle numbers in thermal equilibrium?
===Choices
The sum of particles in lower power levels is minimally less than the sum in upper power levels.
The number of particles in lower energy levels is always equal ... | The number of particles in lower energy levels is always greater than the number of particles in higher energy levels. | general_qa | 223 |
The following is a multiple choice question (with answers).
===Question
In an anaerobic contact process apparatus, in which of the following ways do microorganisms exist within the reactor?
===Choices
Aerobic Bio-Dense Sludge
Anaerobic Flocculent Inert Sludge
Aerobic Flocculent Activated Sludge
Anaerobic Granular Slud... | Anaerobic Flocculent Activated Sludge | general_qa | 137 |
The following is a multiple choice question (with answers).
===Question
The demand curve for factors of production slopes downward to the right because
===Choices
the marginal product of the factor increases
the marginal product of the factor increases at a decreasing rate
the marginal product of the factor decreases
... | the marginal product of the factor decreases | general_qa | 120 |
The following is a multiple choice question (with answers).
===Question
How does SAP Business One determine the available quantity?
===Choices
Quantity in stock - quantity committed + quantity on order.
Quantity in stock + quantity committed - quantity ordered.
Quantity in stock - quantity ordered + quantity committed... | Quantity in stock - quantity committed + quantity ordered. | general_qa | 124 |
The following is a multiple choice question (with answers).
===Question
At 293K, ethanol (A) is extracted from an ethanol-water (B) mixture using a certain organic solvent. Water is insoluble in the organic solvent, whereas ethanol is soluble. Assume that ethanol diffuses through a stagnant film 3mm thick in the aqueou... | $5.97\times10^{-7}\mathbf{kmol}/(\mathbf{m}^2·{s})$, $x_A=0.0508$ | general_qa | 614 |
The following is a multiple choice question (with answers).
===Question
Who created Ida Mntwana's bronze statue?
===Choices
Sarah Lovejoy
Sarah Lovelace-Lovell
Sarah Lovell-Lovejoy
Sarah Lovell
Sarah Lovelace-Lovejoy-Lovell
Sarah Lovelace-Lovejoy
Sarah Lovelace
Sarah Lovell-Lovejoy-Lovell
Sarah Lovelace-Lovell-Lovejoy... | Sarah Lovejoy | general_qa | 104 |
The following is a multiple choice question (with answers).
===Question
The Disaster Mitigation Act of 2000 required local governments to address potential hazards in a Hazard Mitigation Plan in order to remain eligible to receive certain federal funds before and following federally-declared disasters. Your coastal com... | I, II, IV | general_qa | 168 |
The following is a multiple choice question (with answers).
===Question
Individuals become completely immersed in their environment and actively participate so that they affect actual performances or occurrences in the environment. This is referred to as:
===Choices
Immersive realm.
Participatory realm.
Simulation rea... | Escapist realm. | general_qa | 88 |
The following is a multiple choice question (with answers).
===Question
What is the main form of inorganic phosphorus present under seawater conditions?
===Choices
$\mathrm{HPO_3^{2-}}$
$\mathrm{H_3PO_4}$
$\mathrm{H_2PO_4^-}$
$\mathrm{H_2PO_4^{2-}}$
$\mathrm{PO_4^3-}$
$\mathrm{PO_3^{3-}}$
$\mathrm{H_2PO_3^-}$
$\mathrm... | $\mathrm{HPO_4^{2-}}$ | general_qa | 150 |
The following is a multiple choice question (with answers).
===Question
Calculate the moment of inertia of a rectangular prism with a height of $6 in$, a width of $4 in$, and a length of $10 in$ about its longitudinal centroidal axis is(). The weight is given as $40 lb/ft³$.
===Choices
$$
0. 0 3 9 \ \ \mathrm{s l u g-... | $$
0. 0 0 5 \ \ \mathrm{s l u g-f t^{2}}
$$ | general_qa | 321 |
The following is a multiple choice question (with answers).
===Question
Which type of cells within granulation tissue can secrete various growth factors?
===Choices
Keratinocyte
Erythrocytes
Platelets
Lymphocyte
Plasma cell
Macrophages
Fibroblast
Smooth muscle cells
Neutrophil
Endothelial cells | Macrophages | general_qa | 76 |
The following is a multiple choice question (with answers).
===Question
In a follow-up experiment by Nisbett and Wilson, they asked people to choose from these four pairs of identical stockings, and people showed the very same effect as their first experiment. But now they asked people why they chose that particular pa... | People seemed to be completely unaware that the order of the stockings might influence their choice. | general_qa | 328 |
The following is a multiple choice question (with answers).
===Question
The displacement y of a particle from the equilibrium position at a time t is given by $\frac{d^2y}{dt^2} + \frac{2 K dy}{dt} + \omega^2y = 0$
Then the time period of vibration is
===Choices
$$\frac{2\pi}{\omega}$$
$$\frac{2\pi}{K}$$
$$\frac{2\pi}... | $$\frac{2\pi}{\omega}$$ | general_qa | 274 |
The following is a multiple choice question (with answers).
===Question
Given that the vector $A = a_{r} \Big( \frac{1} {r} \Big) + a_{r} \Big( \frac{2} {r} \Big)$ is in the cylindrical coordinate system, find the expression of this vector in the Cartesian coordinate system is ().
===Choices
$$
A=a_{x} \, \frac{y-x} {... | $$
A=a_{x} \, \frac{x-2 y} {x^{2}+y^{2}}+a_{x} \, \frac{y-2 x} {x^{2}+y^{2}}
$$ | general_qa | 584 |
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