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ME Set-1
Compressors Gas dynamics and Gas Turbines
127

Compressors Gas dynamics and Gas Turbines MCQ with Answers

127) With the decrease in compression ratio, the volumetric efficiency

does not change

increases

decreases

none of these

Answer is:

increases

Compressors Gas dynamics and Gas Turbines MCQ with Answers

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Related Compressors Gas dynamics and Gas Turbines MCQ with Answers

128) The volume of air delivered in a medium capacity air compressor per unit time is

0.1 to 1.2 m³/s

0.15 to 5 m³/s

above 5 m³/s

none of these

Answer is:

0.15 to 5 m³/s

129) In a closed cycle gas turbine, the air is compressed

isothermally

polytropically

isentropically

none of these

Answer is:

isentropically

130) In a single stage, single acting reciprocating air compressor, without clearance volume, the workdone is minimum during

isothermal compression

isentropic compression

polytropic compression

none of these

Answer is:

isothermal compression

131) A simple turbo-jet engine is basically a gas turbine engine equipped with a propulsive nozzle and diffuser.

Agree

Disagree

Answer is:

Agree

Compressors Gas dynamics and Gas Turbines MCQ with Answers

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