Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor with clearance volume May increase/decrease depending on compressor capacity Increases with increase in compression ratio In not dependent upon compression ratio Decreases with increase in compression ratio May increase/decrease depending on compressor capacity Increases with increase in compression ratio In not dependent upon compression ratio Decreases with increase in compression ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in a multistage expansion gas turbine ________ compressor work. Decreases Increases None of these Has no effect on Decreases Increases None of these Has no effect on ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure ratio for an open cycle gas turbine compared to closed cycle gas turbine of same h.p. is Same Low High Low/high depending on make and type Same Low High Low/high depending on make and type ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The overall thermal efficiency of an ideal gas turbine plant is (where r = Pressure ratio) 1 - r ɣ-1 1 - (1/r) ɣ-1/ɣ 1 - (1/r) ɣ/ɣ-1 r ɣ-1 1 - r ɣ-1 1 - (1/r) ɣ-1/ɣ 1 - (1/r) ɣ/ɣ-1 r ɣ-1 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressor capacity is defined as the Actual volume of the air delivered by the compressor when reduced to normal temperature and pressure conditions None of these Volume of air sucked by the compressor during its suction stroke Volume of air delivered by the compressor Actual volume of the air delivered by the compressor when reduced to normal temperature and pressure conditions None of these Volume of air sucked by the compressor during its suction stroke Volume of air delivered by the compressor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The type of rotary compressor used in gas turbines, is of None of the listed here Centrifugal type Axial flow type Radial flow type None of the listed here Centrifugal type Axial flow type Radial flow type ANSWER DOWNLOAD EXAMIANS APP
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