8301. In gas-liquid contact operation, the number of ideal stages, N = (xa xb)/(xb x*b). This is true when the stripping factor S is ________________?
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A. S = 1

B. S > 1

C. S = ?

D. S < 1

8302. In Game Theory ?
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A. Firms collude as part of cartel

B. Firms are assumed to cooperate with each other

C. Firms consider the actions of others before deciding what to do

D. Firms are assumed to act independently

8303. In furnaces operating at very high temperature (say) 1250C, e.g. soaking pit), the maximum heat transfer takes place by__________________?
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A. Radiation

B. Cannot be predicted

C. Convection

D. Conduction

8304. In Frankenstein how does Shelley represent science ?
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A. As something needed for humans to advance

B. As a way to resolve human madness

C. As inherently monstrous

D. As potentially productive when used correctly

8305. In Frankenstein how do dreams function ?
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A. They are part of the unconscious controlled by science.

B. They provide relief from the real world.

C. They obscure deep emotions.

D. They prophesy future destruction.
8306. In forward bias the width of potential barrier_____________?
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A. Decreases

B. Remains same

C. Increases

D. No effect

8307. In forced recirculation type boiler__________________?
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A. feed pump is employed to supplement natural circulation in water wall type furnace

B. water is supplied in drum and through down-comers located in atmospheric condition it passes to the water wall and rises to drum in the form of mixture of water and steam

C. heating of water takes place in stages

D. water is converted into steam in one pass without any recirculation

E. heating takes place at bottom and the water supplied at bottom gets converted into the mixture of steam bubbles and hot water which rise to drum

8308. In forced convection, the Nusselt number is a function of ____________________?
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A. Pr and Gr

B. Re and Pr

C. Re and Gr

D. Re and Sc

8309. In forced convection, the heat transfer depends on _______________?
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A. Mainly Gr

B. Re, Pr

C. Re, Gr

D. Re only

8310. In forced circulation, the heating element is injected_________________?
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A. Internally

B. Externally

C. Both A. and A.

D. Neither A. nor B.

8311. In forced circulation type boiler__________________?
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A. heating takes place at bottom and the water supplied at bottom gets converted into the mixture of steam bubbles and hot water which rise to drum

B. feed pump is employed to supplement natural circulation in water wall type furnace

C. water is converted into steam in one pass without any recirculation

D. water is heated in a large number of tubes

E. water is supplied in drum and through down-comers located in atmospheric condition it passes to the water wall and rises to drum in the form of mixture of water and steam

8312. In forage, crops, ideal plant type consists of ______________________?
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A. Late resistance to disease

B. Dwarf, late green

C. Tall, leafy, high leaf/stem ratio

D. Dwarf stature

8313. In fluid flow, and heat and mass transfer, one encounters (i) kinematic velocity (?), (ii) molecular diffusivity (?) and thermal diffusivity (?). The units of these quantities are ?
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A. ? , ? and ? all have units of m2/s

B. ? , ? and ? all have units of m/s

C. ? and ? have units of m/s, while ? has unit of m2/s

D. ? and ? have units of m2/s, while ? has unit of m/s
8314. In flow reactors, the performance equations interrelate the rate of reaction to the___________________?
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A. Reactor volume

B. Extent of reaction

C. Feed rate

D. All A., B. and C.
8315. In flood rice, snail feed on bacteria called__________________?
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A. Helix

B. Limnea

C. Azolla

D. None of the above

8316. In financial accounting of a chemical plant, which of the following relationship is invalid ?
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A. Total income = costs + profits

B. Assets = capital

C. Assets = liabilities + net worth

D. Assets = equities

8317. In file transfer protocol, data transfer can be done in____________________?
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A. all of the above

B. stream mode

C. block mode

D. compressed mode

8318. In FATA the tribal laws and judiciary function is looked by the _________?
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A. Federal Govt

B. Tribes Council

C. Jirgha

D. All of them
8319. In extraction, as the temperature increases, the area of heterogeneity (area covered by binodal curve)____________________?
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A. None of these

B. Decreases

C. Increases

D. Remains unchanged

8320. In education, __________ is used to make inference about the learning and development of students?
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A. diagnosis

B. measurement

C. assessment

D. evaluation

8321. In economic development Marx had laid maximum stress on: ___________?
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A. Technological advancement

B. Decentralisation of power

C. Trade unionism

D. Lower payment of wages

E. Capital formation

8322. In dysplasia mitotic figures are seen in_________________?
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A. In basal layers of epithelium

B. In surface layers only

C. From basal layer to surface

D. None of the above

8323. In Dry cell, cathode is made up of_______?
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A. ZnCl

B. MnO(Pyrolusite)

C. Zinc

D. Carbon (Graphite)
8324. In drop forging process, the forging is done by dropping the _____________ at high velocity?
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A. Hammer

B. Weight on hammer

C. Die with hammer

D. Workpiece

8325. In distillation columns, bubble caps are held in place over trays by ________________?
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A. Rivets

B. A hold down bar

C. Bolts

D. Both B. and C.
8326. In direct cooled system using hydrogen both stator and rotor conductors are made____________?
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A. perforated

B. hollow

C. any ofthe above

D. solid

8327. In digital computer, all the expressions are coded into___________________?
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A. Decimal digits

B. Binary digits

C. Octal digits

D. Hexadecimal digits

8328. In developed countries children are.% of the total population ?
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A. 21 %

B. 16%

C. 62%

D. 35%

8329. In determining salesforce size, when a company groups accounts into different size classes and then determines the number of salespeople needed to call on them the desired number of times it is called the ?
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A. Key-size approach

B. call-service appraoch

C. work-load appraoch

D. product-need appraoch

8330. In determining blood pressure by auscultatory method_____________?
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A. Systolic pressure estimation tends to be lower than those make by palpatory method

B. The first sound heard is the systolic pressure

C. The sounds that are heard are generated in heart

D. The loudest sound is the diastolic pressure

8331. In demographic terms what is the main argument associated with Malthusianism ?
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A. population growth creates the conditions for the spread of disease

B. birth control is irrelevant for the control of population growth

C. population growth tends to outstrip food production

D. all countries must pass through the demographic transition

8332. In defining social sciences which of the following phrases is the most appropriate?
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A. social philosophy

B. study of individual behavior

C. rules for behavior

D. systematic and methodical study
8333. In December 2019, which country declared emergency to contain the environmental impact of fuel spill in the Galapagos Island?
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A. Ecuador

B. Panama

C. Iceland

D. Argentina

8334. In Davisson-Germer experiment the diffracted proton from crystal shows______________?
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A. Light property

B. Quantum property

C. Wave property

D. Particle property

8335. In date palm male spathes enclose how many flowers_______________?
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A. 20000

B. 9000

C. 10000

D. 30000

8336. In dairy industry, the most often used bacteria to convert milk sugar to lactic acid are___________________?
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A. Streptococcus

B. Lactobacillus

C. Acetobacter

D. Both a & b
8337. In dairy industry, a process for producing evaporated milk was presented in______________________?
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A. 1835

B. 1842

C. 1896

D. 1840

8338. In D.C. machines the usual limit of slot pitch is________________?
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A. between 5 to 10 mm

B. between 15 to 20 mm

C. between 10 to 15 mm

D. between 25 to 35 mm
8339. In D.C. machines fractional pitch winding is used__________?
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A. to reduce the sparking

B. to increase the generated e.m.f.

C. to reduce copper losses

D. to improve cooling

8340. In D.C. generators, lap winding is used for______________?
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A. high voltage, low current

B. high voltage, high current

C. low voltage, low current

D. low voltage, high current
8341. In counterfort retaining walls, the main reinforcement in the stem at support is_______________?
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A. not provided

B. provided only on inner face

C. provided only on front face

D. provided both on inner and front faces

8342. In counterfort retaining walls, the main reinforcement in the stem at support is_______________?
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A. not provided

B. provided only on inner face

C. provided only on front face

D. provided both on inner and front faces

8343. In counter flow heat exchangers_________________?
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A. both the fluids at inlet (of heat exchanger where hot fluid enters) are in their coldest state

B. both the fluids at inlet are in their hottest state

C. both the fluids .at exit are in their hottest state

D. one fluid is in hottest state and other in coldest state at inlet

E. any combination is possible depending on design of heat exchanger

8344. In cotton, zn deficiency is known as_________?
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A. Mottle leaf

B. None of these

C. Fern leaf

D. Little leaf
8345. In cotton, jassids have non preference for______________________?
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A. Smoothness leaves

B. Hairiness of leaves

C. Okra leaves

D. Fregobract

8346. In continuous fluidisation_________________?
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A. Velocity of the fluid is very small

B. Solids are completely entrained

C. There is no entrainment of solids

D. The pressure drop is less than that for batch fluidisation

8347. In considering the process of eruption, the pre-functional eruptive stage of a tooth begins when the_____________?
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A. Dental lamina begins forming

B. Cap stage begins

C. Bud stage begins

D. Bell stage begins

8348. In conductors conduction of electricity takes place due to movement of_______________?
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A. negative ions only

B. positive and negative ions

C. electrons only

D. positive ions only

E. none of the above

8349. In condition of high temperature, following does not occur or occurs at low level__________?
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A. Evaporative cooling

B. Vasodilation

C. Thermogenesis

D. Activation of sweat glands

8350. In condenser, the cooling water is passed in the tube side in a pass arrangement, because________________?
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A. More thinner tubes can be used

B. It makes condenser compact

C. It reduces heat transfer area

D. Pressure drop is reduced

Mcqs and online quiz for preparation:

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Federal Public Service Commission(FPSC):

FPSC exam is an mcqs based exam conducted for posts in federal government sector, Police services, Foreign Services and administrive servies etc. It checks the ability and skills of candidates in specific area. the weightage of post related subject is heigher in it and every post there are compulsory subject's mcqs as well like pak-study,islamiyat,english but it weightage is round 30% while 60 to 70% mcqs will be field specific. Federal Public Service commission posts are announced on first sunday of a month. so you will need to check their website on every first sunday of the month. www.fpsc.gov.pk is the official website where you can also see syllabus for your specific post as well so you will clearly see which subjects are included in your test and then came here to study and practice all those subjects before going to take your real test. Qualification required for most of the FPSC posts are bachelor's degree passed in 2nd division or grade C.

Provencial Public Service Commission:

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Central Superior Services(CSS):

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National Testing Service(NTS):

Its completely an mcqs based test, mostly there are 100 mcqs of total 100 marks paper. there are 4 to 5 options for each mcq and you have to pick the right option. There are two types of tests one is Nat (its of students taking admission in college/university) and the other on is GAT which is for postgrade admissions. NTS is the first mcqs based assesment organization that started in 2006. The chances of cheating in this test were very low because they give different type of question paper to each individual that sets closer to eachother in the test hall, But previously there were some leaks of this test on social media before paper time and that's why the paper got canceled due to this reason. Nowadays several other alternatives to NTS also exists like Pakistan testing service (pts), Educational testing service(ets) and Allied Testing Service(ats)

MPT (mcqs base preliminary test):

This is an mcqs test which is mandatory before qualifying for CSS exam. The candidate must pass this test before appearing in the real CSS exam. It all mcqs based test. It consists of total 200 mcqs from subjects like current affairs, pakistan study, islamic studies, everyday science, urdu, english grammer and vocabulary etc. You should prepare your self for this exam exactly like you are preparing for css, although its not the real CSS but later you will be giving CSS exam as well after passing this one. Here on mcqpk.com lots of mcqs are available for all these subjects and we have taken them from past papers and relevant subjects in order to make preparation easy for someone. you also can take the test here for free once you study so that you see how much prepare you are. The age limit for this exame is from 21 to 30 years. Previously round 13,008 candidates appear in css exam in which only 398 passed the real CSS exam and this makes a percentage of round 3.06% so normally every year very few people appear in this exam and within these very very small number of people clear this exam.