Compressors, Gas Turbines and Jet Engines In air breathing jet engine, the jet is formed by expanding Plasma Solids Highly heated atmospheric air Liquid Plasma Solids Highly heated atmospheric air Liquid ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In the cross compounding of the gas turbine plant H.P. compressor is connected to H.P. turbine and L.P. compressor to L.P. turbine All are connected in series Both the arrangements can be employed H.P. compressor is connected to L.P. turbine and L.P. compressor is connected to H.P. turbine H.P. compressor is connected to H.P. turbine and L.P. compressor to L.P. turbine All are connected in series Both the arrangements can be employed H.P. compressor is connected to L.P. turbine and L.P. compressor is connected to H.P. turbine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure ratio for the peak efficiency would Increase None of these Decrease Remain same Increase None of these Decrease Remain same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which is false statement about advantages of multistage compressor in comparison to single stage compressor? Better mechanical balance Lower volumetric efficiency Less loss of air due to leakage past the cylinder Less power requirement Better mechanical balance Lower volumetric efficiency Less loss of air due to leakage past the cylinder Less power requirement ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines It is not possible to use closed gas turbine cycle in aeronautical engines because It requires cooling water for its operation It is bulky None of these It is inefficient It requires cooling water for its operation It is bulky None of these It is inefficient ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single stage, single acting reciprocating air compressor without clearance volume, the work-done is maximum during None of these Isothermal compression Isentropic compression Polytropic compression None of these Isothermal compression Isentropic compression Polytropic compression ANSWER DOWNLOAD EXAMIANS APP
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