Compressors, Gas Turbines and Jet Engines Ram compression in turbojet involves Compression of inlet air Reduction of speed of incoming air and conversion of part of it into pressure energy Lost work Increasing speed of incoming air Compression of inlet air Reduction of speed of incoming air and conversion of part of it into pressure energy Lost work Increasing speed of incoming air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines An after-cooler is used to Remove impurities from air Reduce volume of air Cause moisture and oil vapour to drop out Cool the air Remove impurities from air Reduce volume of air Cause moisture and oil vapour to drop out Cool the air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the increase in pressure in rotor blades to total increase in pressure in the stage is called Pressure ratio Pressure coefficient Degree of reaction Slip factor Pressure ratio Pressure coefficient Degree of reaction Slip factor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The overall isothermal efficiency of compressor is defined as the ratio of Power to drive compressor to isothermal h.p. Work to compress air isothermally to work for actual compression Isothermal h.p. to adiabatic h.p. Isothermal h.p. to the BHP of motor Power to drive compressor to isothermal h.p. Work to compress air isothermally to work for actual compression Isothermal h.p. to adiabatic h.p. Isothermal h.p. to the BHP of motor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ratio of compression is the ratio of Gauge discharge pressure to the gauge intake pressure Pressures at discharge and suction corresponding to same temperature Stroke volume and clearance volume Absolute discharge pressure to the absolute intake pressure Gauge discharge pressure to the gauge intake pressure Pressures at discharge and suction corresponding to same temperature Stroke volume and clearance volume Absolute discharge pressure to the absolute intake pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Maximum work is done in compressing air when the compression is Isothermal Adiabatic None of these Polytropic Isothermal Adiabatic None of these Polytropic ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS