Compressors, Gas Turbines and Jet Engines In jet engines, for the efficient production of large power, fuel is burnt in an atmosphere of Vacuum Atmospheric air Oxygen alone Compressed air Vacuum Atmospheric air Oxygen alone Compressed air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The temperature of air at the beginning of the compression stroke is ________ the atmospheric temperature. Less than More than None of these Equal to Less than More than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Compression efficiency is compared against Isothermal compression Isentropic compression Ideal compression Adiabatic compression Isothermal compression Isentropic compression Ideal compression Adiabatic compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thermodynamic efficiency of rotary compressor is based on Polytropic compression Isentropic compression Isothermal compression Adiabatic compression Polytropic compression Isentropic compression Isothermal compression Adiabatic compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which one of the following is the effect of blade shape on performance of a centrifugal compressor? Forward curved blades has higher efficiency Backward curved blades has poor efficiency Backward curved blades lead to stable performance Forward curved blades produce lower pressure ratio Forward curved blades has higher efficiency Backward curved blades has poor efficiency Backward curved blades lead to stable performance Forward curved blades produce lower pressure ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The combustion efficiency of a gas turbine using perfect combustion chamber is of the order of 0.9 0.99 0.75 0.85 0.9 0.99 0.75 0.85 ANSWER DOWNLOAD EXAMIANS APP
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