Compressors Gas dynamics and Gas Turbines MCQ with Answers

Compressors Gas dynamics and Gas Turbines MCQ with Answers

136) Volumetric efficiency of a compressor decreases with __________ in compression ratio.

Answer is:

increase

137) The speed of rotary air compressor is __________ as compared to reciprocating air compressor.

Answer is:

high

138) When air is to be compressed at a high pressure, then it is advantageous to use

Answer is:

multi-stage compression with intercooling

139) The absolute pressure of air at the outlet of a compressor is called

Answer is:

discharge pressure

140) The degree of reaction is usually kept __________ for all types of axial flow compressors.

Answer is:

0.5

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