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Pakistan's MCQ Practice Library for Competitive Exams

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Recently added practice questions

4251. The main respobsibility according to Lockes sovereign was: _________?
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A. To maintain good transport system

B. To encourage formation of associations

C. To protect the property of the people

D. To collect land revenue

4252. The main reason why land reform increase agricultural output is that is ?
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A. enables farmers to escape the problem of diminishing return

B. encourages mechanization

C. makes farmers owners of the land instead of tenants and owners farmers are more productive than tenant farmers

D. allows the farmers to set the prices for their agricultural products

4254. The main reason for generation of harmonics in a transformer could be_______________?
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A. fluctuating load

B. saturation of core

C. poor insulation

D. mechanical vibrations

4255. The main problem facing societies with a surplus is_____________________?
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A. what to produce how produce it and for whom to produce it

B. there is no problem it is divided equally

C. how to keep it away from enemies

D. how to get rid of it

4256. The main ingredients of Portland cement are________________?
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A. lime and iron

B. lime and silica

C. lime and alumina

D. silica and alumina

4257. The main function of the sovereign, according to Locke was: ____________?
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A. To enact laws

B. To interpret the laws

C. To enforce the laws

D. To modify the laws according to needs of time

4258. The main function of a divide wall is to_______________?
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A. prevent river floods from entering the canal

B. control the silt entry in the canal

C. provide smooth flow at sufficiently low velocity

D. separate the undersluices from weir proper
4259. The main factor which leads to unstable parallel operation of flat and over compounded generators is_____________?
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A. unequal series field resistances

B. their rising voltage characteristics

C. unequal speed regulation of their primemovers

D. unequal number of turns in their series field windings

4260. The main factor to be considered while preparing a detailed estimate, is________________?
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A. Availability of materials

B. All the above

C. Quantity of the materials

D. Transportation of materials

4262. The main disadvantage of the Ward-Leonard control method is______________?
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A. high maintenance cost

B. high initial cost

C. all of the above

D. low efficiency at Hght loads

4263. The main disadvantage of critical incident method is _______?
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A. time consuming

B. difficult to develop

C. cause of disagreements

D. difficult to rate
4264. The main disadvantage of angle nose out parking configuration of aircraft is that the_______________?
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A. all the above

B. aircraft rear loading door is far away from terminal building.

C. overall apron area required is more

D. hot blast is directed towards the terminal building
4265. The main components is sillicophosphate cement________________?
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A. Zinc phosphate and GIC

B. ZOE and Silicate

C. Silicate and GIC

D. Zinc phosphate and SIlicate
4266. The Main aspect of Conflict Perspective is_____________?
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A. None of these

B. Class conflict and class exploitation is prime force history

C. Religion is a driving force in society

D. Equilibrium drives the society

4267. The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to___________________?
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A. None of these

B. Remove lignin by way of crystallisation

C. Increase the cellulose content

D. Avoid mechanical weakening of fibre
4268. The magnitude of field flux in a 3-phase synchronous motor?
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A. varies with speed

B. varies with the load

C. remains constant at all loads

D. varies with power factor

4269. The magnetic reluctance of a material______________?
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A. increases with increasing cross-sec-tional area of material

B. any of the above

C. decreases with increasing cross sectional area of material

D. does not vary with increasing cross-sectional area of material

4270. The maggot develop in dead body into __________ days of death?
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A. Two to Three

B. Four to five

C. One to two

D. None of above

4271. The Mafia is an example of____________?
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A. White collar crime

B. none-criminal deviance

C. global terrorism

D. organized crime
4272. The Macro environment includes?
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A. Demographic factors

B. Technological factors

C. The suppliers

D. Both a and b
4273. The Maastricht criteria for entry to the EMU are that applicants should have ?
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A. stable nominal exchange rates

B. budget deficits and government debt under control

C. low inflation

D. all of the above

E. low interest rates

4276. The m.e.p. of a diesel cycle having fixed compression ratio with increase in cut-off will_________________?
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A. increase

B. unpredictable

C. be unaffected

D. depend on other factors

E. decreae

4279. The lower horizontal line of the refrigeration cycle plotted on pressure-enthalpy-diagram represents_____________________?
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A. metering of the refrigerant liquid

B. none of the above

C. evaporation of the refrigerant liquid

D. compression of the refrigerant vapour

E. condensation of the refrigerant vapour

4280. The LotusEaters was written by________________?
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A. None of these

B. Blake

C. Browning

D. Tennyson
4281. The lot of marketing efforts are required to market the products and services for the product category called?
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A. sought primary products

B. industrial augmented products

C. specialty industrial products

D. unsought consumer products
4282. The longer a fault exists in software__________________?
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A. the more tedious its removal becomes

B. the more costly it is to detect and correct

C. All of the mentioned

D. the less likely it is to be properly corrected

4283. The long-run Phillips curve is ____ at the ____?
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A. vertical natural rate of inflation

B. vertical equilibrium rate of unemployment

C. horizontal, natural rate of inflation

D. horizontal natural rate of unemployment

4284. The long-run market supply curve ?
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A. is always perfectly elastic

B. is always more elastic than the short-run market supply curve.

C. is always less elastic than the short-run market supply curve

D. has the same elasticity as the short run market supply curve

4285. The long-run equilibrium outcomes in monopolistic competition and perfect competition are similar because in both market structures ?
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A. firms will only earn a normal profit

B. firms will be producing at minimum average cost

C. firms realize all economies of scale

D. the efficient output level will be produced in the long run

4286. The London branch of Muslim League was started by__________?
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A. Sir Wazir Hassan

B. Moulana Shaukat Ali

C. Syed Amir Ali

D. Hasan Bilgrami

4288. The local languages of KPK are ?
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A. Chitrali

B. Hindko

C. All of them

D. Pushto

4291. The little clay mineral is_____________________?
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A. Non-expending

B. None of the above

C. Expending

D. None or little expending
4292. The literary work of Kubla Khan is_________________?
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A. a short story by Somerset Maugham

B. a verse by Coleridge

C. a drama by Oscar Wilde

D. a history by Vincent Smith

4296. The line of action of the buoyant force acts through the____________________?
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A. Centroid of the volume of any floating body

B. Centre of gravity of a submerged body

C. None of these

D. Centroid of the displaced volume of fluid
4297. The line of action of the buoyant force acts through the centroid of the ___________________?
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A. volume of the floating body

B. submerged body

C. displaced volume of the fluid

D. none of the above

E. volume of the fluid vertically above the body

4299. The Limitation Act, 1908 was enacted on_________________?
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A. 7th June, 1908

B. 7th August, 1908

C. None of above

D. 7th July, 1908

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