The thermodynamic efficiency of rotary compressor is based on_______________?

Related Mcqs:

Ratio of indicated H.P. and brake H.P. is known as_________________?

A. mechanical efficiency B. volumetric efficiency C. isothermal efficiency D. adiabatic efficiency E. relative efficiency...

An air compressor may be controlled by____________________?

A. throttle control B. clearance control C. blow-off control D. any one of the above E. none of the above...

The ratio of outlet whirl velocity to blade velocity in case of centrifugal compressor is called__________________?

A. slip factor B. velocity factor C. velocity coefficient D. blade effectiveness...

Pick up the correct statement ?

A. gas turbine uses low air-fuel ratio to economise on fuel B. gas turhine uses high air-fuel ratio to reduce outgoing temperature C. gas turbine uses low air-fuel ratio to develop the high thrust required D. all of the above E. none of the above...

Ram-jet engine__________________?

A. is self-operating at zero flight speed B. is not self-operating at zero^flight speed C. requires no air for its operation D. produces a jet consisting of plasma E. none of the above...