Q.

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

  • AWork required to compress the air isothermally to the actual work required to compress the air for the same pressure ratio
  • BIsothermal power to the shaft power or B.P. of the motor or engine required to drive the compressor
  • CVolume of free air delivery per stroke to the swept volume of the piston
  • DIsentropic power to the power required to drive the compressor
Correct Answer : (B)

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

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