Compressors, Gas Turbines and Jet Engines Compression efficiency is compared against Isentropic compression Isothermal compression Ideal compression Adiabatic compression Isentropic compression Isothermal compression Ideal compression Adiabatic compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A turboprop is preferred to turbojet because It can fly at supersonic speeds It can fly at high elevations It has high propulsive efficiency at high speeds It has high power for take off It can fly at supersonic speeds It can fly at high elevations It has high propulsive efficiency at high speeds It has high power for take off ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thrust of a jet propulsion power unit can be increased by All of these Injecting ammonia into the combustion chamber Injecting water into the compressor Burning fuel after gas turbine All of these Injecting ammonia into the combustion chamber Injecting water into the compressor Burning fuel after gas turbine 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 Forward curved blades produce lower pressure ratio Backward curved blades has poor efficiency Backward curved blades lead to stable performance Forward curved blades has higher efficiency Forward curved blades produce lower pressure ratio Backward curved blades has poor efficiency Backward curved blades lead to stable performance ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The criterion of the thermodynamic efficiency for rotary compressor is None of the listed here Polytropic compression Isothermal compression Isentropic compression None of the listed here Polytropic compression Isothermal compression Isentropic compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ratio of indicated h.p. to shaft h.p. in known as Mechanical efficiency Compressor efficiency Isothermal efficiency Volumetric efficiency Mechanical efficiency Compressor efficiency Isothermal efficiency Volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
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