Compressors Gas dynamics and Gas Turbines MCQ with Answers

Compressors Gas dynamics and Gas Turbines MCQ with Answers

46) The increase in pressure in a roots blower is entirely due to back flow of air.

Answer is:

Agree

47) The type of rotary compressor used in aeroplanes, is of

Answer is:

axial flow type

48) An axial compressor gives optimum performance at high speeds and large volume flows.

Answer is:

Agree

49) In a reciprocating air compressor, the compression work per kg of air

Answer is:

is independent of clearance volume

50) The degree of reaction in an axial flow compressor is defined as the ratio of static enthalpy rise in the

Answer is:

rotor to static enthalpy rise in the stage

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