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ME Set-3
Pressure Vessels
51

Pressure Vessels and Engines MCQ with Answers

51) The compressor performance at higher altitude compared to sea level will be

same

higher

lower

dependent on other factors

Answer is:

lower

Pressure Vessels and Engines MCQ with Answers

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Related Pressure Vessels and Engines MCQ with Answers

52) A compressor at high altitude will draw

more power

less power

same power

more/less power depending on other factors

Answer is:

less power

53) During peak load periods, the best method of controlling compressors is

start-stop motor

constant speed unloader

relief valve

variable speed

Answer is:

constant speed unloader

54) A centrifugal compressor works on the principle of

conversion of pressure energy into kinetic energy

conversion of kinetic energy into pressure energy

centripetal action

generating pressure directly

Answer is:

conversion of kinetic energy into pressure energy

55) For a compressor, least work will be done if the compression is

isentropic

isothermal

polytropic

somewhere in between isentropic and isothermal

Answer is:

isothermal

Pressure Vessels and Engines MCQ with Answers

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