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Recently added practice questions

8341. 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
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 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

8344. 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

8345. In cotton, zn deficiency is known as_________?
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A. Mottle leaf

B. None of these

C. Fern leaf

D. Little leaf
8346. In cotton, jassids have non preference for______________________?
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A. Smoothness leaves

B. Hairiness of leaves

C. Okra leaves

D. Fregobract

8347. 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

8348. 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

8349. 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

8350. 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

8351. 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

8352. In condensation polymerisation as compared to addition polymerisation____________________?
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A. The monomers contain two functional groups

B. The monomers are unsaturated compounds

C. Generally only one monomer is involved

D. No co-product is lost

8353. In computing the period of limitation prescribed for any suit the time during which the defendant has been absent from Pakistan and from the territories beyond Pakistan under the Administration of the Central Government shall be_______________?
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A. None of above

B. Depends upon nature of the matter

C. Excluded

D. Included

8354. In computing depreciation of an equipment, which of the following represents the first cost ?
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A. All of the above

B. The original purchase price and freight charges

C. Installation expenses

D. Initial taxes and permit fees

8355. In comparison with industrial cities preindustrial cities had_____________?
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A. relatively open class systems

B. a much more rigid division of labor by gender

C. all of the above

D. extensive social mobility

8356. In closed loop control system, with positive value of feedback gain the overall gain of the system will______________?
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A. increase

B. any of the above

C. decrease

D. be unaffected

8357. In class A operation, the operating point is generally located_____________of the d.c. load line?
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A. None of the above

B. At cut off point

C. At the middle

D. At saturation point

8358. In children, hypothyroidism causes_____________?
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A. Myxodedema

B. Cretinism

C. Gigantism

D. Acromegaly

8359. In chemical process equipments, the conical bottom heads used, usually has an apex angle of____________________?
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A. 40

B. 80

C. 20

D. 60
8360. In chemical dehumidification of air___________________?
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A. Both specific humidity & dry bulb temperature increases

B. Both specific humidity & dry bulb temperature decreases

C. Specific humidity decreases & dry bulb temperature increases

D. Specific humidity increases & dry bulb temperature decreases

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