For a two stage compressor* if index of compression for higher stage is greater than index of compression for lower stage, then the optimum pressure as compared to ideal case will___________________?

Related Mcqs:

Out of the following, from where you will prefer to take intake for air compressor_________________?

A. from an air conditioned room maintained at 20°C B. from outside atmosphere at 1°C C. from coal yard side D. from a side where cooling tower is located nearby E. from any one of the above locations...

The thermodynamic efficiency of rotary compressor is based on_______________?

A. isothermal compression B. adiabatic compression C. isentropic compression D. polytropic compression E. none of the above...

The following is true for an open cycle gas turbine having exhaust heat exchanger. Atmospheric air before entering the compressor is____________________?

A. heated B. compressed air before entering the combustion chamber is heated C. bled gas from turbine is heated and readmitted for complete expansion D. exhaust gases drive the compressor E. part of exhaust gases are heated and mixed up with atmospheric air to utilise exhaust heat...

Propulsive efficiency is defined as ratio of___________________?

A. thrust power and fuel energy B. engine output and propulsive power C. propulsive power and fuel input D. thrust power and propulsive power E. none of the above...

In turbo fan engine, the jet velocity as compared to turbo-jet engine is_________________?

A. less B. more C. same D. may be less or more depening upon speed E. none of the above...