The performance of a reciprocating compressor is expressed by
1
\(\rm \frac{{isothermal~work}}{{indicated~work}}\)
2
\(\rm \frac{{adiabatic~work}}{{indicated~work}}\)
3
\(\rm \frac{{isothermal~work}}{{adiabatic~work}}\)
4
\(\rm \frac{{adiabatic~work}}{{frictionless~work}}\)
5
Question Not Attempted