If V, U and Vr represent the absolute velocity of fluid, velocity of blade, and relative velocity of fluid, and suffix i and o stand for entry and exit conditions, then in a rotary machine whose degree of reaction is unity______________?

Related Mcqs:

Volumetric efficiency is_____________________?

A. the ratio of stroke volume to clearance volume B. the ratio of the air actually delivered to the amount of piston displacement C. reciprocal of compression ratio D. index of compressor performance E. proportional to compression ratio...

The compressor performance at higher altitude compared to sea level will be _______________?

A. same B. higher C. lower D. dependent on other factors E. none of the above...

The ratio of isentropic work to euler’s work is known as _____________________?

A. compressor efficiency B. isentropic efficiency C. Euler’s efficiency D. pressure coefficient E. pressure ratio...

Pick up the wrong statement ?

A. large gas turbines employ axial flow compressors B. axial flow compressors are more stable than centrifugal type compressors but not as efficient C. axial flow compressors have high capacity and efficiency D. axial flow compressors have instability region of operation E. centrifugal compressors are used mainly on low flow pressure ratio gas turbines...

The working fluid in ai turbine is___________________?

A. in two phases B. in three phases C. in a single phase D. in the form of air and water mixture E. gas and no air...