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
Find the number of sequences of positive integers $a_1, a_2, \dots , a_{14}$ such that $a_1 = 1,$ $11$ divides $a_{14},$ and for all integers $1 \le n \le 13,$ $a_{n+1}$ may be constructed by starting with either the integer $a_n$ or the integer $a... | 745 | general_qa | 197 |
The following is a multiple choice question (with answers).
===Question
The macro condition expression to determine if the "Gender" field value in the "Student" form is "Male" is __.
===Choices
[Forms]![Student]![Sex]=\Male\
[Forms]![Gender]=Male
[Forms]![Student]="Male"
[Forms]![Student]![Gender]="Male"
[Forms]![Stud... | [Forms]![Student]![Gender]="Male" | general_qa | 135 |
The following is a multiple choice question (with answers).
===Question
What does it indicate if the output voltage of amplifier A is smaller under open-load conditions, given that amplifiers A and B have the same gain but different input and output resistances and use the same signal source with internal resistance?
... | The input resistance of A is low | general_qa | 134 |
The following is a multiple choice question (with answers).
===Question
What type of books are praised as "universities without walls"?
===Choices
History
Encyclopedia
Biography
Science Fiction
Poetry
Cookbook
Fiction
Self-Help
Graphic Novel
Travel Guide | Encyclopedia | general_qa | 60 |
The following is a multiple choice question (with answers).
===Question
Let $\lfloor x \rfloor$ be the largest integer such that $\lfloor x \rfloor \le x$ , and let $\{x\} = x -\lfloor x \rfloor$ . How many values of $x $ satisfy $x + \lfloor x \rfloor \cdot \{x\} = 23$ ?
===Choices
14
15
11
16
12
18
13
19
10
17 | 12 | general_qa | 123 |
The following is a multiple choice question (with answers).
===Question
Find type of crystallization of Ag $( \mathrm { At } . \mathrm { wt } , = 108 \mathrm { amu } )$ atom with cubical side length $5 \mathrm { A }$ If density of crystall lattice is 2. 88 gram/$\mathrm { cm } ^ { 3 }$ $\left( N _ { A } = 6 \times 10 ^... | SC | general_qa | 125 |
The following is a multiple choice question (with answers).
===Question
The turning point of the alternation of generations in the life cycle of angiosperms is
===Choices
formation of the gametes
fertilization of the egg
mitosis
maturation of pollen and embryo sac
fertilization
formation of the zygote
fertilization of... | meiosis | general_qa | 93 |
The following is a multiple choice question (with answers).
===Question
The known velocity distribution of an incompressible fluid in a plane is given by
$\begin{aligned} {{u_{x}}} & {{} {{}=1+y}} \\ {{u_{y}}} & {{} {{}=a t}} \\ \end{aligned}$
where $a$ is a constant. Find the trajectory equation of the fluid particle ... | $$
y+y^{2} / 2 \!-\! a t x \!=\! 0
$$ | general_qa | 372 |
The following is a multiple choice question (with answers).
===Question
If $\operatorname*{lim}_{x\to0}\left(1-kx\right)^{\frac{2}{x}}=2$, what is the nonzero constant k?
===Choices
$\frac{1}{4}\ln2$
$-\frac{1}{4}\ln2$
$\text{ln2}$
$-\frac{1}{2}\ln2$
$-\frac{1}{3}\ln2$
$\frac{1}{3}\ln2$
$\frac{1}{5}\ln2$
$\frac{1}{2}\... | $-\frac{1}{2}\ln2$ | general_qa | 151 |
The following is a multiple choice question (with answers).
===Question
Air flows from the gas tank through the nozzle into the atmosphere with a back pressure of $\phi_{\mathrm{b}} = 0.981 \times 10^{5} \mathrm{Pa}$. The pressure of the gas in the tank is $\boldsymbol{p}_{0} = 7 \times 10^{5} \mathrm{Pa}$, and the tem... | $$
3 1. 6 9 \mathrm{m m}
$$ | general_qa | 340 |
The following is a multiple choice question (with answers).
===Question
The most basic CIO models include the following 3 types:
I. Strategic/Tactical Model
II. Internal/External Model
III. Production Model
IV. Extinction Model
===Choices
II
I,II,III
III,IV
I,II,IV
I,III,IV
II,III,IV
I,II
IV
I
III | I,II,IV | general_qa | 94 |
The following is a multiple choice question (with answers).
===Question
What is the relationship between the water potential of a cell when the intracellular pressure potential is negative?
===Choices
Ψw>Ψs
Ψs=Ψp
Ψw=Ψs
Ψw<Ψs
Ψp<Ψw
Ψp>Ψs
Ψw=Ψp
Ψs>Ψw
Ψs=Ψw
Ψs<Ψp | Ψw<Ψs | general_qa | 96 |
The following is a multiple choice question (with answers).
===Question
A 68-year-old female has a history of breast cancer that has recurred twice in the past 5 years. She has undergone both radiation and chemotherapy for metastatic carcinoma to the bone. She presents to the office today to ask for help in dealing wit... | indirect myofascial release | general_qa | 163 |
The following is a multiple choice question (with answers).
===Question
Three-phase half-wave controlled rectifier circuit, counter electromotive force inductive-resistive load, $U_{2} = 100 \mathrm{V}, \ R = 1 \Omega, \ L = \infty, \ L_{B} = 1 \mathrm{mH}$. What are the values of $U_{\mathrm{d}}$ and $I_{\mathrm{d}}$,... | $$U_{d} \!=9 4 \,. 6 3 \ \mathrm{V}$$
$$I_{\mathrm{d}}=4 4. 6 3 {\mathrm{~ A}}$$ | general_qa | 620 |
The following is a multiple choice question (with answers).
===Question
A drug that can mitigate or eliminate the toxic side effects of another drug is called ________.
===Choices
Mutual Inversion
Mutual Counteraction
Mutual Neutralization
Mutual Resistance
Mutual Absorption
Mutual Opposition
Mutual Stabilation
Mutual... | Mutual Counteraction | general_qa | 84 |
The following is a multiple choice question (with answers).
===Question
( ) specifically refers to the phenomenon where victims have the opportunity to "transfer" externalities to a third party.
===Choices
Positive externality
Transferable dependency
Positive influence
Externalized dependency
Negative externality
Tran... | Transferable externality | general_qa | 79 |
The following is a multiple choice question (with answers).
===Question
What are the three common types of intergrowth in structures?
===Choices
Ball joint, Fusion joint, Expansion joint
Elastic joints, Rigid joints, Flexible joints
Pigment blend, Material mix, Structural scheme
Graphic texture, Perthitic texture, Myr... | Graphic texture, Perthitic texture, Myrmekitic texture | general_qa | 135 |
The following is a multiple choice question (with answers).
===Question
The suture of cephalopods is of great significance in evolution and classification. According to the degree of septal folds, they can be divided into 5 categories: __, __, __, __ and __.
===Choices
Nautilus type, rounded ammonite type, toothed amm... | Nautilus type, angular ammonite type, toothed ammonite type, angular ammonite type, radiating ammonite type | general_qa | 319 |
The following is a multiple choice question (with answers).
===Question
______ is a separation and purification technique that utilizes the principle where small molecules diffuse through a semi-permeable membrane into water, while large molecules cannot pass through the semi-permeable membrane, thereby separating smal... | Dialysis, biological macromolecules | general_qa | 138 |
The following is a multiple choice question (with answers).
===Question
Two electrochemical cells are assembled in which following reactions occur.$V^{2+} + VO^{2+} + 2H^+ \rightarrow 2V^{3+} + H_2O; \quad \quad E^o_{cell} = 0.616 V$$V^{3+} + Ag + 2H_2O \rightarrow VO_2 + 4H^+ + Ag(s) ; E^o_{cell} = 0.439 V... | -0.256 V | general_qa | 257 |
The following is a multiple choice question (with answers).
===Question
What is the function of the pericardial gland?
===Choices
Neural function
Motor function
Excretion function
Endocrine function
Circulatory function
Digestive function
Respiratory function
Reproductive function
Muscular function
Sensory function | Excretion function | general_qa | 70 |
The following is a multiple choice question (with answers).
===Question
The equation of the transverse wave travelling in a rope is given by $\mathrm{y}=5 \sin (4\mathrm{t}-0.02\mathrm{x})$ where $y$ and $x$ are in meters and $t$ is in seconds. Calculate the intensity of the wave if the density of rope material is $125... | $$2000\ kJm^{-2}s^{-1}$$ | general_qa | 272 |
The following is a multiple choice question (with answers).
===Question
What is the fluctuation of the angular momentum in the x-direction for an electron in the l=2, m=2 orbital?
===Choices
$3h^2$
$4h^2$
$2h^2$
$8h^2$
$5h^2$
$9h^2$
$10h^2
$6h^2$
$h^2$
$7h^2$ | $h^2$ | general_qa | 103 |
The following is a multiple choice question (with answers).
===Question
In the brain stem, pathways for:
===Choices
proprioception decussate in the medial lemniscus
nociception decussate in the pyramids
skilled motor movements decussate in the pyramids.
skilled motor movements decussate in the medial lemniscus
skilled... | skilled motor movements decussate in the pyramids. | general_qa | 159 |
The following is a multiple choice question (with answers).
===Question
Ten signals with a bandwidth of 0 to 100 Hz are sampled at the lowest rate, then transmitted as PPM signals over a TDM system. Each pulse width is 0.2 ms, and the time delay without modulation signal is 0.25 ms.What is the maximum allowable pulse p... | ±0.15ms | general_qa | 152 |
The following is a multiple choice question (with answers).
===Question
A cricket ball is hit with a velocity of 25 m $s^{-1}$ at angle of $60^{\circ}$ above the horizontal. How far above the ground, ball passes over a fielder 50 m from the bat (Consider the ball is struck very close to the ground ) take $\sqrt... | 6.6m | general_qa | 161 |
The following is a multiple choice question (with answers).
===Question
Vegetables are related to human health ____ and are ____ sources of vitamins the body needs.
===Choices
Close, minor
Related, limited
Connected, supplemental
Distant, key
Related, negligible
Linked, poor
Associated, insignificant
Distant, essentia... | Close, main | general_qa | 77 |
The following is a multiple choice question (with answers).
===Question
A clindrca rodobrass originaly 1.2m .40 in in dameteris tobecol wokredby draing the circular cross section will be maintained during deformation. $A$ cold-worked yield strength in excess of 380 MPa (55,000 psi) and a ductiliy fat least 156EL are de... | $$8. 9 0 \ \mathrm{m m} \ ( 0. 3 5 1 \ \mathrm{i n} )
$$ | general_qa | 467 |
The following is a multiple choice question (with answers).
===Question
The common yarn characteristic number and density of woven fabrics represent a fabric in a certain writing way, if the warp characteristic number of the fabric is 28tex and the weft characteristic number is 32tex; The warp density is 240 pieces /10... | 28x32x240x200 | general_qa | 234 |
The following is a multiple choice question (with answers).
===Question
The Code stipulates that the current load line marking for ships on international voyages is divided into: (select all correct options) (1) load line marking for ships not loaded with timber cargo;
(2) Load line marking of ships carrying timber car... | (1)(2)(3)(4)(5) | general_qa | 166 |
The following is a multiple choice question (with answers).
===Question
What happens first when the excitatory tissue is subjected to supraliminal stimulation?
===Choices
Transient depolarization
Spike potential
Threshold potential
Negative afterpotential
Critical threshold charge
Initial voltage rise
Rapid action shi... | Local potential | general_qa | 73 |
The following is a multiple choice question (with answers).
===Question
Pelvic measurements are less than normal for ____.
===Choices
sacroiliac diameter 8.5 cm.
iliac crest diameter 8.5 cm
femoral diameter 10.5 cm.
femur head diameter 11.5 cm.
ischiopubic diameter 8.5 cm.
sacral curvature diameter 9.5 cm.
acetabular ... | intertrochanteric diameter 7.5 cm. | general_qa | 138 |
The following is a multiple choice question (with answers).
===Question
What was Sujata Manohar's position just before she was appointed as a judge of the Supreme Court of India?
===Choices
Chief Justice of Madras High Court
Chief Justice of Chhattisgarh High Court
Chief Justice of Rajasthan High Court
Chief Justice o... | Chief Justice of Kerala High Court | general_qa | 124 |
The following is a multiple choice question (with answers).
===Question
The effective mass of electrons for $InSb$ is $m_{\mathrm{e}} = 0.015m$, the dielectric constant is $\varepsilon = 18$, and the lattice constant is $a = 6.479 \overset{\circ}{\mathrm{A}}$. Try to calculate the orbital radius of the ground state, wh... | $$
6 3 6 \stackrel{\circ} {\mathrm{A}}
$$ | general_qa | 300 |
The following is a multiple choice question (with answers).
===Question
Which of the following statements about a typical seepage field is correct?
===Choices
The flow lines and pressure gradients of a confined aquifer with moderate yield are concentric octagons
The gradients and contours of an infinite stratum with h... | The isobars and isobars of an infinite stratum with medium yield one source and one sink are both circles | general_qa | 249 |
The following is a multiple choice question (with answers).
===Question
For a sliding window $a$ with a window size of $n$, there can be a maximum of () frames sent but not acknowledged.
===Choices
$$
n \times 2
$$
$$
n \div 2
$$
$$
\frac{n}{2}
$$
$$
\sqrt{n}
$$
$$
n-1
$$
$$
4n + 1
$$
$$
n+1
$$
$$
2n
$$
$$
3n - 1
$$
$... | $$
n-1
$$ | general_qa | 133 |
The following is a multiple choice question (with answers).
===Question
The ovary of the mediolateral placenta type must be ( ).
===Choices
Triple ventricles with single carpel
Multiple ventricles with triple carpels
Single ventricle with dual carpels
Dual ventricles with multiple carpels
Triple ventricles with dual c... | Multiple ventricles with multiple carpels | general_qa | 121 |
The following is a multiple choice question (with answers).
===Question
A patient with periarthritis of the shoulder suffers from joint pain, significantly restricted movement, and extensive adhesion of the periarticular soft tissue. When performing joint mobilization surgery, which level of manual therapy should be se... | Level IV | general_qa | 92 |
The following is a multiple choice question (with answers).
===Question
A police man is running towards a thief with a constant acceleration of $0.1m/{s}^{2}$. At a particular instant $t=0$, the policeman is $20m$ behind the thief and at that instant the velocity of policman is $4m/s$. At this instant the thief observe... | $$0.2m/{s}^{2}$$ | general_qa | 258 |
The following is a multiple choice question (with answers).
===Question
After a batch of live pigs were slaughtered at a slaughterhouse, quarantine personnel found pinpoint white spots in the diaphragmatic muscle of a slaughtered pig with the naked eye. A grain-sized piece of muscle was taken, and after being pressed i... | Trichinella spiralis | general_qa | 176 |
The following is a multiple choice question (with answers).
===Question
Mr. Su Zhong believes that the main factor restricting the continued development of CPUs is the ________ power consumption.
===Choices
Flexibility
Resistance
Capacity
Connectivity
Durability
Productivity
Voltage
Frequency
Efficiency
Stability | Frequency | general_qa | 65 |
The following is a multiple choice question (with answers).
===Question
Under general circumstances, among the three methods of compensation, which one calculates the fastest?
===Choices
Early Compensation
Primary Compensation
Late Compensation
Main Compensation
Initial Compensation
Quick Compensation
Core Compensatio... | Middle Compensation | general_qa | 64 |
The following is a multiple choice question (with answers).
===Question
Ash is classified based on its solubility into ( )
===Choices
Acid-soluble ash, water-soluble ash, base-insoluble ash
Water-soluble ash, water-insoluble ash, base-soluble ash
Water-soluble ash, acid-insoluble ash, base-soluble ash
Mineral-based as... | Water-soluble ash, water-insoluble ash, acid-insoluble ash | general_qa | 188 |
The following is a multiple choice question (with answers).
===Question
Watermelons possess ____ fruit-bearing capability, allowing them to produce fruit even under ____ conditions, though the fruit is _____.
===Choices
Monoecious, not pollinated, significantly bitter
Monoecious, poorly pollinated, unusually large
Uni... | Unisexual, not pollinated, relatively small | general_qa | 155 |
The following is a multiple choice question (with answers).
===Question
Rifling is ?
===Choices
Spiral grooves on the interior of the barrel, but only in the middle section
Spiral grooves on the interior of the barrel, but only in the breech and muzzle sections
Spiral grooves on the exterior of the barrel
Spiral groov... | Spiral groove inside nozzle | general_qa | 153 |
The following is a multiple choice question (with answers).
===Question
Transportation quality evaluation indicators mainly include (), (), () and ().
===Choices
The noise level inside transit vehicles; Passenger congestion rate; Ticket price stability; Engine performance rating
The fatalities per 50,000 passenger mil... | The death toll of 10,000 vehicle kilometers; Accident frequency; Freight compensation rate; Shuttle punctuality rate | general_qa | 254 |
The following is a multiple choice question (with answers).
===Question
What is a storage management scheme that facilitates dynamic connectivity?
===Choices
Node indexing
Array partitioning
File fragmentation
Link prediction
Block grouping
Cluster mapping
Tree structuring
Data linking
Heap sorting
Segment management | Segment management | general_qa | 59 |
The following is a multiple choice question (with answers).
===Question
According to China's Property Law, which of the following statements is correct?
===Choices
If homestead land is lost due to natural disasters, the right to use the homestead land is extinguished, and the villagers who lost the homestead land shou... | If homestead land is lost due to natural disasters, the right to use the homestead land is extinguished, and the villagers who lost the homestead land should be allocated new homestead land. | general_qa | 412 |
The following is a multiple choice question (with answers).
===Question
When the air temperature rises from 0°C to 80°C, the sound pressure amplitude of a plane sound wave remains constant. Calculate the percentage change in sound intensity and the change in sound intensity level.
===Choices
$$
9 \%, 0. 9 \mathrm{~ d ... | $$
1 4 \%, 0. 7 \mathrm{~ d B}
$$ | general_qa | 264 |
The following is a multiple choice question (with answers).
===Question
A vertical soil nail wall slope with soil nails at an angle of 15° to the horizontal plane has both horizontal and vertical spacings of 1.2m. The foundation soil behind the wall has $c = 15 \, \mathrm{kPa}$, $\varphi = 20°$, and $\gamma = 19 \, \ma... | 101.97kN | general_qa | 220 |
The following is a multiple choice question (with answers).
===Question
Which company initially synthesized thalidomide?
===Choices
Bayer Pharmaceutical
Hoffman-La Roche Pharmaceutical
Merck Pharmaceutical
Ciba Pharmaceutical
Eli Lilly Pharmaceutical
Boehringer Ingelheim Pharmaceutical
Sandoz Pharmaceutical
Roche Phar... | Ciba Pharmaceutical | general_qa | 81 |
The following is a multiple choice question (with answers).
===Question
A company offered to sell several loads of landscaping stones at a specified price and itemized terms. The offeree sent a notification to the offeror stating, "We have received your offer to sell landscaping stone per specified terms this date." Th... | The offeror will prevail because the posting of the acceptance finalized a contract between the parties. | general_qa | 339 |
The following is a multiple choice question (with answers).
===Question
A piece of copper metal weighing 7 g requires 5.4 J of heat to raise the temperature from 300 K to 302 K. What is the value of heat capacity and molar heat capacity of copper metal respectively ? (Atomic mass of Cu = 63.5)
===Choices
$$27{ JK }^{ ... | $$2.7{ JK }^{ -1 },0.385{ Jg }^{ -1 }{ K }^{ -1 },245\quad J\quad { mol }^{ -1 }{ K }^{ -1 }$$ | general_qa | 643 |
The following is a multiple choice question (with answers).
===Question
The hematocrit in normal adults is approximately ( ).
===Choices
70%~80%
20%~30%
40%~50%
50%~60%
6%~8%
30%~40%
10%~20%
55%~65%
60%
35%~45% | 40%~50% | general_qa | 92 |
The following is a multiple choice question (with answers).
===Question
Which film by director Zhang Yimou features a story about a young girl's experience in revolutionary China?
===Choices
Shadow
Curse of the Golden Flower
Raise the Red Lantern
To Live
The Great Wall
Hero
House of Flying Daggers
The Story of Qiu Ju
... | The Road Home | general_qa | 80 |
The following is a multiple choice question (with answers).
===Question
Crystalline polyethylene belongs to a body-centered orthorhombic structure with lattice constants: $$a = 0.740\ \text{nm},\ b = 0.493\ \text{nm},\ c = 0.253\ \text{nm}.$$ Two molecular chains pass through one unit cell.Given the density of amorphou... | $$
\approx{42.3} \%
$$
$$
\approx{46.6} \%
$$ | general_qa | 456 |
The following is a multiple choice question (with answers).
===Question
Recently, Manager Wang has been visibly troubled. Conflicts frequently arise between different departments in the company, with department heads often coming to him to complain, voice grievances, or ask him to mediate issues with other departments.... | Inconsistency of objectives | general_qa | 138 |
The following is a multiple choice question (with answers).
===Question
Which of the following options refers to the main components of predatory pricing theory?
===Choices
Neoclassical Theory and Rational Choice Theory
Keynesian Economics and Behavioral Economics
Chicago School Theory and Post-Chicago School Theory
C... | Chicago School Theory and Post-Chicago School Theory | general_qa | 113 |
The following is a multiple choice question (with answers).
===Question
What is the tallest surviving Chinese pagoda?
===Choices
Wuhan Yellow Crane Tower Pagoda
Hebei Dingzhou Kaiyuan Temple Pagoda
Chengdu Wenshu Monastery Pagoda
Hangzhou Yue-Wang Temple Pagoda
Nanjing Jiming Temple Pagoda
Shanghai Longhua Temple Pago... | Hebei Dingzhou Kaiyuan Temple Pagoda | general_qa | 124 |
The following is a multiple choice question (with answers).
===Question
On activation of the MK 79 MOD 0 signal kit, how far is the star propelled?
===Choices
The luminary descends into obscurity somewhere between 350 and 750 feet
The star is propelled laterally to a distance of between 200 and 600 feet
The star is pr... | The star is propelled upward to a height of between 250 and 650 feet | general_qa | 251 |
The following is a multiple choice question (with answers).
===Question
Which of the following indicators is helpful in confirming the diagnosis of Langerhans histiocytosis?
===Choices
CD68(+); Langerin and CD1a(+); S-100(+) ; Birbeck vesicles absent by electron microscopy; Recognition of Langerhans cells by pathologi... | CD68(+); Langerin and CD1a(+); S-100(+) ; Birbeck vesicles visible by electron microscopy; Recognition of Langerhans cells by pathologic biopsy | general_qa | 439 |
The following is a multiple choice question (with answers).
===Question
The plate current i in a triode valve is given $i _ { p } = K \left( V _ { p }\right.$ $+ \mu V _ { g } ^ { 3 / 2 }$ where $i _ { p }$ is in milliampare and $V _ { p }$ and $V _ { g }$ are in volt. $if r _ { p } = 10 ^ { 4 } \text { ohm, and } g _ ... | $$- 6 \mathrm { V } , ( 30 ) ^ { 3 / 2 }$$ | general_qa | 427 |
The following is a multiple choice question (with answers).
===Question
What is a flower drum?
===Choices
Flower Drum is a mainly singing-centered folk tune and dance of the Han Chinese ethnicity. It emerged from the Yangge dance and is also referred to as Playing Flowers.
Flower Drum is a traditional painting style t... | Flower Drum is a predominantly singing-based folk song and dance of the Han Chinese ethnicity. It evolved from the Yangge dance and is also known as Playing Flowers. | general_qa | 305 |
The following is a multiple choice question (with answers).
===Question
Patients taking reserpine for a long time are preferred when there is significant hypotension during intraspinal anesthesia ().
===Choices
Administer phenoxybenzamine frequently
Atropine
Dobutamine
Deoxyadrenaline
Use methoxyamine in small doses
A... | Use methoxyamine in small doses | general_qa | 110 |
The following is a multiple choice question (with answers).
===Question
What are the three main characteristics of literary activities during the period of Chinese socialism?
===Choices
Adaptation, conflict, and resurgence.
Exploration, representation, and continuity.
Creativity, stagnation, and contrast.
Innovation, ... | Diversity, dominance, and stratification. | general_qa | 117 |
The following is a multiple choice question (with answers).
===Question
Male, 60 years old, with a right inguinal hernia. After hernia repair surgery, how long does it take for the wound's tensile strength to reach its peak?
===Choices
Four days
one year
Two weeks
Eight weeks
One month
Ten days
Three months
Nine month... | Three months | general_qa | 86 |
The following is a multiple choice question (with answers).
===Question
Air of density \rho = 0.07 lb/ft^3 and viscosity \mu = 12.9 × 10^-6 lb/ft.sec is flowing through a pipe of 10 in. inside diameter. The mean velocity of the air is 50 ft/sec. Find the velocity at points 0.4 in and 3 in. from the wall. Also find the ... | Velocity at 0.4 in. from the wall: 47.42 ft/sec, Velocity at 3 in. from the wall: 58.25 ft/sec, Thickness of the laminar sub-layer: 0.005 in. | general_qa | 685 |
The following is a multiple choice question (with answers).
===Question
Morphine, $C_{17}H_{19}NO_{3}$, is administered medically to relieve pain. It is a naturally occurring base, or alkaloid. What is the $pH$ of a $0.0025 M$ solution of morphine at $25^{\circ}C$? The base-ionization constant, $K_{b}$, is $1.6 \times ... | $$9.8$$ | general_qa | 187 |
The following is a multiple choice question (with answers).
===Question
According to the lawsuit filed by the Indian news channel WION (World is One News) against their former anchor Palki Sharma Upadhyay, until which month and year did they demand she continue working for WION?
===Choices
Mar 2023
May 2023
Oct 2022
A... | Dec 2022 | general_qa | 132 |
The following is a multiple choice question (with answers).
===Question
When metallic copper is shaken with a solution of a copper salt, the reaction $ Cu + Cu^{2+} \rightleftharpoons 2Cu^{+} $ proceeds. When equilibrium is established at $298\ K$, $[Cu^{2+}]/[Cu^{+}]^{2} = 2.647 \times 10^{6}\ M^{-1}$.If the standard ... | $$0.4302\ V$$ | general_qa | 305 |
The following is a multiple choice question (with answers).
===Question
The correlation equation for forced convection heat transfer without phase change is $\mathrm{Nu=\Phi}$(Re,Pr), where the Prandtl number Pr represents what number group?
===Choices
Fluid velocity
Convection process
Heat flux formula
Energy transfe... | Fluid properties | general_qa | 91 |
The following is a multiple choice question (with answers).
===Question
Where is the ancient Chang Buddhist Shijietai in China?
===Choices
Yongquan Monastery
Mingde Pagoda
Xianren Temple
Lianhua Grotto
Baoguang Hall
Shengli Monastery
Tianjie Retreat
Huayan Abbey
Jingye Temple
Dafo Shrine | Jingye Temple | general_qa | 82 |
The following is a multiple choice question (with answers).
===Question
The pattern of expression of heritability is that traits that are less susceptible to environmental influences have a higher heritability than ___, traits that are susceptible to environmental influences have a higher heritability than ___, traits ... | High, low, high, low | general_qa | 172 |
The following is a multiple choice question (with answers).
===Question
Assuming it is an equivalent freely jointed chain, the segment length is 18.5 $\mathrm{C-C}$ bonds. What is the root mean square end-to-end distance of a polyethylene chain with $M = 250,000 \ \mathrm{g \cdot mol}^{-1}$?
===Choices
$$
7 2. 4 {\mat... | $$
7 2. 4 {\mathrm{~ n m}}
$$ | general_qa | 256 |
The following is a multiple choice question (with answers).
===Question
What was the effect of the Homestead Act on the development of American capitalism at that time?
===Choices
It shifted America's economic center of gravity to the west
It resulted in increased immigration from Europe to the western territories
It ... | The plantation economy was replaced by a small peasant economy | general_qa | 156 |
The following is a multiple choice question (with answers).
===Question
The formation site of lateral roots generally follows a certain pattern. Which type of root, when forming lateral roots, faces the primary xylem?
===Choices
Diarch and Triarch
One Prototype, Triarch
Triarch and Tetrarch
One Prototype, Tetrarch
Tet... | Triarch and Tetrarch | general_qa | 111 |
The following is a multiple choice question (with answers).
===Question
In which year did Bruno Kreisky (an Austrian social democratic politician) return to Vienna, where Federal President Theodor Körner appointed him Assistant Chief of Staff and political adviser?
===Choices
1953
1959
1950
1955
1954
1952
1958
1956
19... | 1951 | general_qa | 102 |
The following is a multiple choice question (with answers).
===Question
It is estimated that the number of HIV-infected individuals in mainland China has already reached how many people?
===Choices
A few dozen
10 million
Several million
Thousands
Over ten billion
Billions
More than a billion
Hundreds of thousands
Mill... | Hundreds of thousands | general_qa | 74 |
The following is a multiple choice question (with answers).
===Question
Congenital cardiovascular malformations occur primarily at what stage of embryonic development?
===Choices
3 to 9 weeks
20 to 26 weeks
1 to 3 months
2 to 8 weeks
8 to 14 weeks
4 to 7 weeks
7 to 9 weeks
5 to 11 weeks
6 to 12 months
10 to 16 weeks | 2 to 8 weeks | general_qa | 100 |
The following is a multiple choice question (with answers).
===Question
After treating the tobacco genomic DNA with ultrasound, which of the following engineering enzymes can be used to obtain blunt-end fragments for subsequent cloning?
===Choices
Restriction enzyme
Reverse transcriptase
DNA helicase
DNA methyltransfe... | E. coli DNA polymerase | general_qa | 100 |
The following is a multiple choice question (with answers).
===Question
For a gaseous homogeneous reaction,
2A (g) + B (g) $ \rightleftharpoons $ 2C(g) +2D (g)
$ \triangle { G}^{ 0} $ =0.693 RT at TK. $ { K }_{p }^{ 0} $ for the reaction :
(Given : $ \ell n $ 2= 0.693)
===Choices
2.5
50
20
5
25
500
0.25
0.05
2... | 50 | general_qa | 159 |
The following is a multiple choice question (with answers).
===Question
Carbon is allowed to diffuse through $a$ steel plate 10 mm thick. The concentrations of carbon at the
two faces are 0.85 and 0.40 kg C/cm$^{3}$ Fe, which are maintained constant. If the preexponential and activation energy are $5.0\times10^{-7}m^2/... | $$
6 1 1^{\circ} \mathrm{C}
$$ | general_qa | 322 |
The following is a multiple choice question (with answers).
===Question
Once an enterprise marketing internationally has established an extensive sales network in a foreign market and achieved a significant increase in sales, it should adopt a marketing strategy in the foreign market that is similar to that in its home... | In comparison, large foreign markets are better adapted to home country marketing strategies than small ones. | general_qa | 240 |
The following is a multiple choice question (with answers).
===Question
Let $S = \{1, 2, . . . , 10\}$ . Compute the number of functions $f$ from $S$ to itself, such that $|f(x) - x|$ is constant over all $x \in S$ .
===Choices
341
349
344
342
346
340
348
345
347
343 | 342 | general_qa | 113 |
The following is a multiple choice question (with answers).
===Question
What is the name of the seminal film that Lygia Pape made in 1975?
===Choices
Feel Me
Hear Me
See Me
Taste Me
Touch Me
Read Me
Watch Me
Eat Me
Feed Me
Drink Me | Eat Me | general_qa | 69 |
The following is a multiple choice question (with answers).
===Question
Who founded the municipality of La Capilla, Boyacá, Colombia?
===Choices
Juan de la Cruz Aguirre y Aguirrez
Juan de la Cruz Aguirre y Aguero
Juan de la Cruz Aguirre y Aguirre
Juan de la Cruz Aguero
Juan de la Cruz Aguirre y de la Cruz
Juan de la C... | Juan de la Cruz Aguirre | general_qa | 145 |
The following is a multiple choice question (with answers).
===Question
The melody "Two Violations of Xiqin Opera" originates from ________.
===Choices
"The Rain in the Valley"
"The Petals in the Well"
"The Whisper of the Pines"
"The Flower on the Path"
"The Lotus in the Bowl"
"The Moon over the Bridge"
"The Sparrow i... | "The Lotus in the Bowl" | general_qa | 99 |
The following is a multiple choice question (with answers).
===Question
A 19-year-old girl comes to the physician for evaluation after a minor motor vehicle collision. While driving down a residential street, a young boy ran out in front of her, chasing after a ball. She applied the brakes of her vehicle and avoided hi... | Sodium oxybate | general_qa | 287 |
The following is a multiple choice question (with answers).
===Question
When the melodic interval of a major tenth is raised by a major second, it becomes
===Choices
Augmented eleventh
Doubly augmented tenth
Doubly augmented eleventh
Augmented tenth | Augmented eleventh | general_qa | 57 |
The following is a multiple choice question (with answers).
===Question
In what year did Norodom Ranariddh become Secretary-General of FUNCINPEC?
===Choices
1990
1987
1993
1986
1994
1992
1985
1989
1991
1988 | 1989 | general_qa | 84 |
The following is a multiple choice question (with answers).
===Question
Which of the following tests can be used as evidence of active Schistosoma infection?
===Choices
Circulating antigen enzyme immunoassay
Circulating antigen enzyme immunoassay (CAEIA) with variable sensitivity
Circumoval precipitation test
Circulat... | Circulating antigen enzyme immunoassay | general_qa | 166 |
The following is a multiple choice question (with answers).
===Question
A patient who is intubated and mechanically ventilated through the mouth suddenly develops systemic cyanosis and SpO2 drops to 30-40%. Which of the following reasons is most likely?
===Choices
Tracheal tube dislocation
Improper ventilator ventilat... | Tracheal tube dislocation | general_qa | 136 |
The following is a multiple choice question (with answers).
===Question
Driven by the Second Industrial Revolution, the world market was finally formed, and which country dominated it?
===Choices
Netherlands
Australia
Germany
Japan
Industrial countries of Europe and America
Russia
Britain
France
Italy
Spain | Industrial countries of Europe and America | general_qa | 62 |
The following is a multiple choice question (with answers).
===Question
Bilateral inter nuclear ophthalmoplegia is pathognomonic of-
===Choices
Devic's disease
Optic neuritis
Pontine haemorrhage
Bitemporal hemianopia
Neuromyelitis optica
Multiple sclerosis
Pontine glioma
Multiple sclerosis (RRMS)
Brainstem encephaliti... | Multiple sclerosis | general_qa | 93 |
The following is a multiple choice question (with answers).
===Question
The sum of all positive integers $n$ such that the base $2$ representation of $n$ has exactly $8$ $1$ 's and $8$ $0$ 's (the first digit cannot be $0$ ) is $S$ . Compute the remainder when $S$ is divided by $1000$ .
===Choices
389
388
382
384
385
... | 381 | general_qa | 128 |
The following is a multiple choice question (with answers).
===Question
Using continuous distillation to separate a benzene-toluene binary mixture, the feed rate is known to be 4000 kg·h$^{-1}$, with a composition of 0.3 (mass fraction, same below). If the composition of the bottom liquid is required to be no more than... | $13.66\mathrm{kmol}\bullet\mathrm{h}^{-1}$ | general_qa | 338 |
The following is a multiple choice question (with answers).
===Question
About the strategy of DAC for Voronoi diagram, which of the following is correct?
===Choices
hR cut the cell of l
hL intercepted the area of l
hR sliced the space of l
hR bisected the region of l
hL halved the region of l
hR dissected the sector o... | hR cut the cell of l | general_qa | 117 |
The following is a multiple choice question (with answers).
===Question
What are the differences in composition between Webern and Schoenberg?
===Choices
Concise.
Ornamental.
Repetitive.
Fragmented.
Predictable.
Chaotic.
Conventional.
Melodic.
Simplistic.
Lengthy. | Concise. | general_qa | 64 |
The following is a multiple choice question (with answers).
===Question
The inflection point of the curve ( y = 2{x^3} + 3{x^2} - 2x + 14 ) is ( ).
===Choices
( - {1 over 2} , 19{3 over 2} )
( - {1 over 2} , 20{3 over 2} )
( {1 over 2} , -20{1 over 2} )
( - {1 over 2} , -20{3 over 2} )
( - {1 over 2} , 19{1 over 2} )
... | ( - {1 over 2} , 20{1 over 2} ) | general_qa | 221 |
The following is a multiple choice question (with answers).
===Question
Evaluate $L=\lim_{P(x,y) \to P(m+n,m-n)}\left(\frac{ x^2-m \cdot x-x \cdot y+m \cdot y-2 \cdot n \cdot x+2 \cdot m \cdot n }{ x \cdot y-n \cdot x-y^2-n \cdot y+2 \cdot n^2 }\right)$, given $m-2 \cdot n=7 \cdot n$
===Choices
1/13
1/12
1/6
1/10
1/11... | 1/7 | general_qa | 158 |
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