Compressors, Gas Turbines and Jet Engines As the turbine inlet temperature increases, the thermal efficiency of gas turbine for the optimum pressure ratio First increases and then decreases Decreases Increases Remain same First increases and then decreases Decreases Increases Remain same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pressure ratio in gas turbines is the ratio of Compressor pressure ratio Inlet pressure to exhaust pressure Highest pressure to exhaust pressure Pressures across the turbine Compressor pressure ratio Inlet pressure to exhaust pressure Highest pressure to exhaust pressure Pressures across the turbine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor decreases with ________ in compression ratio. Increase Decrease Remain same Does not change Increase Decrease Remain same Does not change 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 H.P. compressor is connected to L.P. turbine and L.P. compressor is connected to H.P. turbine All are connected in series Both the arrangements can be employed H.P. compressor is connected to H.P. turbine and L.P. compressor to L.P. turbine H.P. compressor is connected to L.P. turbine and L.P. compressor is connected to H.P. turbine All are connected in series Both the arrangements can be employed 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 minimum during None of these Isothermal compression Isentropic compression Polytropic compression None of these Isothermal compression Isentropic compression Polytropic compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure of air at the beginning of the compression stroke is ___ the atmospheric pressure. None of the listed here More than Less than Equal to None of the listed here More than Less than Equal to ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS