Compressors, Gas Turbines and Jet Engines The thermodynamic efficiency of rotary compressor is based on Isothermal compression Adiabatic compression Polytropic compression Isentropic compression Isothermal compression Adiabatic compression Polytropic compression Isentropic compression 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? 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 Better mechanical balance Lower volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which of the following plants is smallest and lightest for generating a given amount of power? Petrol engine Diesel engine Solar plant Gas turbine plant Petrol engine Diesel engine Solar plant Gas turbine plant ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Fighter bombers use following type of engine Ramjet Rocket Turbojet Turbo-propeller Ramjet Rocket Turbojet Turbo-propeller ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbine as compared to steam turbine Has less efficiency Has compressor and combustion chamber Requires less space for installation All of these Has less efficiency Has compressor and combustion chamber Requires less space for installation All of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The overall thermal efficiency of an ideal gas turbine plant is (where r = Pressure ratio) 1 - r ɣ-1 1 - (1/r) ɣ/ɣ-1 1 - (1/r) ɣ-1/ɣ r ɣ-1 1 - r ɣ-1 1 - (1/r) ɣ/ɣ-1 1 - (1/r) ɣ-1/ɣ r ɣ-1 ANSWER DOWNLOAD EXAMIANS APP
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