The compression ratio in a jet engine varies proportional to ____________________?

Related Mcqs:

Adiabatic compression is one in which___________________?

A. temperature during compression remains constant B. no heat leaves or enters the compressor cylinder during cornpression C. temperature rise follows a linear relationship D. work done is maximum E. entropy decreases...

Volumetric efficiency of a compressor with clearance volume ________________?

A. increases with increase in compression ratio B. decreases with increase in compression ratio C. in not dependent upon compression ratio D. may increase/decrease depending on compressor capacity E. unpredictable...

Losses in a centrifugal compressor are due to__________________?

A. inlet losses B. impeller channel losses C. diffuser losses D. all of the above E. none of the above...

For an irreversible gas turbine cycle, the efficiency and work ratio both depend on___________________?

A. pressure ratio alone B. maximum cycle temperature alone C. minimum cycle temperature alone D. both pressure ratio and maximum cycle temperature E. none of the above...

High air-fuel ratio is used in gas turbines______________________?

A. to increase the output B. to increase the efficiency C. to save fuel D. to reduce the exit temperature E. none of the above...