Compressors, Gas Turbines and Jet Engines Maximum delivery pressure is a rotary air compressor is of the order of 25 kg/cm² 6 kg/cm² 10 kg/cm² 16 kg/cm² 25 kg/cm² 6 kg/cm² 10 kg/cm² 16 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For maximum work, the reheating should be done to an intermediate pressure of (Where p₁ = Maximum pressure, and p₂ = Minimum pressure) p₁/p₂ (p₁ + p₂)/2 (p₁ - p₂)/2 p₁ p₂ p₁/p₂ (p₁ + p₂)/2 (p₁ - p₂)/2 p₁ p₂ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor without clearance volume Is not dependent upon compression ratio Increases with increase in compression ratio Decreases with increase in compression ratio May increase/decrease depending on compressor capacity Is not dependent upon compression ratio Increases with increase in compression ratio Decreases with increase in compression ratio May increase/decrease depending on compressor capacity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in a gas turbine Increases the turbine work Increases the thermal efficiency Increases the compressor work Decreases the thermal efficiency Increases the turbine work Increases the thermal efficiency Increases the compressor work Decreases the thermal efficiency 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 If the flow of air through the compressor is parallel to its axis, then the compressor is Turbo compressor Axial flow compressor Reciprocating compressor Centrifugal compressor Turbo compressor Axial flow compressor Reciprocating compressor Centrifugal compressor ANSWER DOWNLOAD EXAMIANS APP