Volumetric efficiency of air compressors is of the order of________________?

Related Mcqs:

Isothermal compression though most efficient, but is not -practicable because_________________?

A. ityrequires very big cylinder B. it does not increase pressure much C. it is impossible in practice D. compressor has to run at very slow speed to achieve it E. it requires cylinder to be placed in water...

Separators in compressor installations are located_____________________?

A. before intercooler B. after intercooler C. after receiver D. between after-cooler and air receiver E. before suction...

For slow-speed large capacity compressor, following type of valve will be best suited________________?

A. poppet valve B. mechanical valve of the corliss, sleeve, rotary or semirotary type C. disc or feather type D. any of the above E. none of the above...

The work ratio of simple gas turbine cycle depends on_________________?

A. pressure ratio B. maximum cycle temperature C. minimum cycle temperature D. all of the above E. none of die 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...