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Questions are reviewed over time, but syllabuses and factual answers can change. Always confirm important information with the relevant official source.

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Recently added practice questions

2761. Valid range for S, the degree of saturation of soil in percentage is______________?
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A. 0 < S < 100

B. S<0

C. 0<S<100

D. S>0

2762. Valentia Island is off the coast of which country?
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A. New zealand

B. Ireland

C. Poland

D. Finland

2763. Vaccinating people for measles, rubella, polio and cholera to substantially increase net social benefits by improving the health and productivity of the population is an example of ?
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A. economies of scale

B. external economies

C. net present value

D. negative externality

2764. Utilitarian organizations are so named because they ?
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A. serve the practical purposes of their owners

B. produce useful things

C. provide material benefits in exchange for work

D. provide useful services to the community

2765. Using government regulations to force a natural monopoly to charge a price equal to his marginal cost will ?
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A. attract additional firms to enter the market

B. Cause the monopolist to exit the market

C. improve efficieny

D. raise the price of good

2766. Using a successful brand name to introduce additional items in a given product category under the same brand same (such as new flavors, forms, colors, added ingredients or package seizes) is called a(n)?
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A. brand extension

B. line extension

C. new brands

D. multibranding

2767. User datagram protocol is called connectionless because____________________?
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A. all UDP packets are treated independently by transport layer

B. it sends data as a stream of related packets

C. both A and B

D. none of these

2768. Use of pulverised coal in boiler furnace provides___________________?
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A. Smokeless burning

B. High calorific value

C. Better combustion

D. Less erosion on furnace walls

2769. Use of preheated air for combustion of fuel in the furnace, increases the___________________?
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A. Scale losses of the furnace stock

B. Flame temperature

C. Calorific value of the fuel

D. None of these

2770. Use of packed towers for distillation is generally limited to the____________________?
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A. Multi-component distillation

B. Vacuum distillation

C. Small sizes

D. High pressure operation

2771. Use of molten metal as a coolant in fast breeder reactor helps in_________________?
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A. Rapid heat transfer from the core

B. Breeding neutrons

C. Accelerating the neutrons

D. Accelerating the reaction rate in the core

2772. Use of I-control along with P-control facilitates ?
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A. None of these

B. Reduction of stability time

C. Reduction of offset

D. Elimination of offset
2773. Use of grinding aids is done in _______________ grinding?
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A. Intermediate

B. Dry

C. Wet

D. Ultrafine

2774. Use of economiser in a boiler plant reduces the fuel consumption for steam generation by about _______________ percent ?
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A. 50

B. 30

C. 10

D. 1

2775. Use of baffles in agitators help in minimising the ______________ tendency?
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A. Swirling

B. Vortexing

C. Both A. & B.

D. Neither A. nor B.

2776. Usability can be measured in terms of_________________?
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A. Intellectual skill to learn the system

B. All of the mentioned

C. Time required to become moderately efficient in system usage

D. Net increase in productivity

2777. USA is the chief exporter of_________________?
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A. Iron Ore

B. Wheat

C. Both of these

D. None of these

2778. USA has unfrozen ________ of Afghan central Bank for humanitarian aid in Afghanistan?
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A. $4.5 bn

B. $7 bn

C. $3.5 bn

D. $9 bn

2779. US Senator Bernie Sanders has hired a Muslim to manage his presidential campaign in the United States?
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A. Ahmad Bhatti

B. Faiz Shakir

C. Nancy Pelosi

D. Sheikh Muhammad

2780. US defense attache Col Joseph hall is under investigation due to his involvement in the ________?
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A. Money laundering

B. Violence

C. Drug trafficking

D. Fatal road accident

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