The overall isothermal efficiency of the compressor is defined as the ratio of - Compressors, Gas Dynamics and Gas Turbines Quiz

Mechanical Engineering : Compressors, Gas Dynamics and Gas Turbines - Quiz(MCQ)

The overall isothermal efficiency of the compressor is defined as the ratio of

isentropic power to the power required to drive the compressor

volume of free air delivery per stroke to the swept volume of the piston

isothermal power to the shaft power or B.P. of the motor or engine required to drive the compressor

work required to compress the air isothermally to the actual work required to compress the air for the same pressure ratio

Correct Answer : Option (C) : isothermal power to the shaft power or B.P. of the motor or engine required to drive the compressor

Recently Updated in Compressors, Gas Dynamics and Gas Turbines Questions

The work ratio of simple gas turbine cycle depends on

Pressure ratio

Minimum cycle temperature

Maximum cycle temperature

All of the above

Correct Answer : All of the above

Knudsen number ranges in between 0.3 and 1 in ________

boundary region

boundary & transient region

transient region

None of the above

Correct Answer : transient region

Explanation : Knudsen number ranges in between 0.3 and 1 in transient region.

When altitude of earth is in between 90 km and 150 km Knudsen number can be in between 0.3 and _________

Correct Answer : 1

Explanation : When altitude of earth is in between 90 km and 150 km Knudsen number can be in between 0.3 and 1.