Compressors Gas dynamics and Gas Turbines MCQ with Answers

Compressors Gas dynamics and Gas Turbines MCQ with Answers

111) For a multi-stage compressor, the polytropic efficiency is constant throughout for all the stages.

Answer is:

Right

112) In a high pressure compressor, the delivery pressure is

Answer is:

8 to 10 bar

113) When the outlet angle from the rotor of a centrifugal compressor is more than 90 Degree, then the blades are said to be

Answer is:

forward curved

114) In axial flow compressors, the flow of air is parallel to the axis of compressor.

Answer is:

Correct

115) The ratio of the isothermal power to the shaft power or brake power of the motor or engine required to drive the compressor is called overall isothermal efficiency.

Answer is:

Right

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