The efficiency of jet engine is__________________?

Related Mcqs:

Cylinder clearance in a compressor should be _________________?

A. as large as possible B. as small as possible C. about 50% of swept volume D. about 100% of swept volume E. none of the above...

During base load operation, the best method of controlling compressor is ___________________?

A. start-stop motor B. constant speed unloader C. relief valve D. variable speed E. none of the above...

The pressure ratio of an ideal vaned compressor with increase in mass flow rate_________________?

A. increases B. decreases C. remains constant D. first decreases and then increases E. unpredictable...

A closed gas turbine in which fuel is burnt directly in the air is not possible because of__________________?

A. high pressure ratio B. increasing gas temperature C. high specific volume D. high friction losses E. paucity of 02...

Reheating in multistage expansion gas turbine results in____________________?

A. high thermal efficiency B. reduction in compressor work C. decrease of heat loss in exhaust D. maximum work output E. none of the above...