Compressors, Gas Turbines and Jet Engines In a high pressure compressor, the delivery pressure is 10 to 15 bar 5 to 8 bar 1 to 5 bar 8 to 10 bar 10 to 15 bar 5 to 8 bar 1 to 5 bar 8 to 10 bar ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines It is not possible to use closed gas turbine cycle in aeronautical engines because It requires cooling water for its operation None of these It is inefficient It is bulky It requires cooling water for its operation None of these It is inefficient It is bulky ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A jet engine has No propeller Propeller in front Propeller on the top Propeller at back No propeller Propeller in front Propeller on the top Propeller at back ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the discharge pressure to the inlet pressure of air is called Expansion ratio Compressor efficiency Compression ratio Volumetric efficiency Expansion ratio Compressor efficiency Compression ratio Volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines When air is to be compressed at a high pressure, then it is advantageous to use None of these Multistage compression with intercooling Multistage compression without intercooling Single stage compression None of these Multistage compression with intercooling Multistage compression without intercooling Single stage compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The overall isothermal efficiency of the compressor is defined as the ratio of Isothermal power to the shaft power or B.P. of the motor or engine required to drive the compressor Work required to compress the air isothermally to the actual work required to compress the air for the same pressure ratio Isentropic power to the power required to drive the compressor Volume of free air delivery per stroke to the swept volume of the piston Isothermal power to the shaft power or B.P. of the motor or engine required to drive the compressor Work required to compress the air isothermally to the actual work required to compress the air for the same pressure ratio Isentropic power to the power required to drive the compressor Volume of free air delivery per stroke to the swept volume of the piston ANSWER DOWNLOAD EXAMIANS APP
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