Compressors, Gas Turbines and Jet Engines The most efficient method of compressing air is to compress it Isothermally Isentropically Adiabatically Isochronically Isothermally Isentropically Adiabatically Isochronically ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of isentropic work to Euler’s work is known as Pressure coefficient Euler Compressor efficiency Isentropic efficiency Pressure coefficient Euler Compressor efficiency Isentropic efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure ratio for an open cycle gas turbine compared to closed cycle gas turbine of same h.p. is High Same Low Low/high depending on make and type High Same Low Low/high depending on make and type ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The overall isothermal efficiency of compressor is defined as the ratio of Work to compress air isothermally to work for actual compression Isothermal h.p. to the BHP of motor Power to drive compressor to isothermal h.p. Isothermal h.p. to adiabatic h.p. Work to compress air isothermally to work for actual compression Isothermal h.p. to the BHP of motor Power to drive compressor to isothermal h.p. Isothermal h.p. to adiabatic h.p. ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A turboprop is preferred to turbojet because It has high propulsive efficiency at high speeds It has high power for take off It can fly at high elevations It can fly at supersonic speeds It has high propulsive efficiency at high speeds It has high power for take off It can fly at high elevations It can fly at supersonic speeds ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volume of air delivered in a medium capacity air compressor per unit time is 0.15 to 5 m³/s None of these 0.1 to 1.2 m³/s Above 5 m³/s 0.15 to 5 m³/s None of these 0.1 to 1.2 m³/s Above 5 m³/s ANSWER DOWNLOAD EXAMIANS APP
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