Compressors Gas dynamics and Gas Turbines MCQ with Answers

Compressors Gas dynamics and Gas Turbines MCQ with Answers

56) Maximum work is saved in a two stage reciprocating air compressor with incomplete intercooling.

Answer is:

Disagree

57) The mass of gas turbine per kW developed is about __________ as that of an I.C. engine.

Answer is:

one-sixth

58) In a centrifugal compressor, the ratio of the __________ to the blade velocity is called slip factor.

Answer is:

outlet velocity of flow

59) In a turbo jet engine, subsequent to heat addition to compressed air, to get the power output, the working substance is expanded in

Answer is:

turbine blades, which is essentially an isentropic process

60) The air is delivered __________ in one revolution in case of a three-lobbed rotor.

Answer is:

six times

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