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ME Set-3
Pressure Vessels
7

Pressure Vessels and Engines MCQ with Answers

7) The- most efficient method of compressing air is to compress it

isothermally

adiabatically

isentropically

isochronically

Answer is:

isothermally

Pressure Vessels and Engines MCQ with Answers

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Related Pressure Vessels and Engines MCQ with Answers

8) Maximum work is done in compressing air when the compression is

isothermal

adiabatic

polytropic

any one of the above

Answer is:

adiabatic

9) The pressure and temperature conditions of air at the suction of compressor are

atmospheric

slightly more than atmospheric

pressure sightly less than atmospheric and temperature slightly more than atmospheric.

pressure slightly more than atmospheric and temperature slightly less than atmospheric

Answer is:

pressure sightly less than atmospheric and temperature slightly more than atmospheric.

10) Isothermal compression effeicency can be attained by running the compressor

at very high speed

at very slow speed

at average speed

at zero speed

Answer is:

at very slow speed

11) The compressor capacity with decrease in suction temperature

increases

decreases

remains unaffected

may increase or decrease depending on compressor capacity

Answer is:

increases

Pressure Vessels and Engines MCQ with Answers

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