Compressors, Gas Turbines and Jet Engines For an irreversible gas turbine cycle, the efficiency and work ratio both depend on Both pressure ratio and maximum cycle temperature Pressure ratio alone Maximum cycle temperature alone Minimum cycle temperature alone Both pressure ratio and maximum cycle temperature Pressure ratio alone Maximum cycle temperature alone Minimum cycle temperature alone ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The overall efficiency of the compressed air system is the Ratio of shaft input to the compressor to the shaft output of air motor Ratio of shaft output of the air motor to the shaft input to the compressor Product of shaft output of air motor and shaft input to the compressor None of these Ratio of shaft input to the compressor to the shaft output of air motor Ratio of shaft output of the air motor to the shaft input to the compressor Product of shaft output of air motor and shaft input to the compressor None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A gas turbine used in air craft should have High h.p. and low weight High speed and high h.p. Low weight and small frontal area Small frontal area and high h.p. High h.p. and low weight High speed and high h.p. Low weight and small frontal area Small frontal area and high h.p. ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Intercooling in gas turbines Increases net output but decreases thermal efficiency Decreases net output and thermal efficiency both Increases net output and thermal efficiency both Decreases net output but increases thermal efficiency Increases net output but decreases thermal efficiency Decreases net output and thermal efficiency both Increases net output and thermal efficiency both Decreases net output but increases thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbine as compared to internal combustion engine Can be driven at a very high speed All of the listed here Has more efficiency Produces uniform torque Can be driven at a very high speed All of the listed here Has more efficiency Produces uniform torque ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The net work input required for compressor with increase in clearance volume Remains same Increases Increases/decreases depending on compressor capacity Decreases Remains same Increases Increases/decreases depending on compressor capacity Decreases ANSWER DOWNLOAD EXAMIANS APP