Compressors, Gas Turbines and Jet Engines The compressor capacity with decrease in suction temperature Remain unaffected May increase or decrease depending on compressor capacity Decreases Increases Remain unaffected May increase or decrease depending on compressor capacity Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The main purpose of reheating in gas turbine is to Reduce turbine size Increase temperature Increase power output Increase speed Reduce turbine size Increase temperature Increase power output Increase speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If V, U and Vr represent the absolute velocity of fluid, velocity of blade, and relative velocity of fluid, and suffix ‘I’ and ‘o’ stand for entry and exit conditions, then in a rotary machine whose degree of reaction is unity U < Vo Vt > Vo Vi = Vo V = Uo U < Vo Vt > Vo Vi = Vo V = Uo ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The degree of reaction of an axial flow turbine is the ratio of isentropic temperature drop in a blade row to the Total temperature drop Total temperature drop in the stage Adiabatic temperature drop in the stage Total adiabatic temperature drop Total temperature drop Total temperature drop in the stage Adiabatic temperature drop in the stage Total adiabatic temperature drop ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The capacity of a compressor is 5 m/min refers to Compressed air Free air Standard air Compressed air at delivery pressure Compressed air Free air Standard air Compressed air at delivery pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pick up the wrong statement about advantages of multistage compression More loss of air due to leakage past the cylinder Better lubrication is possible advantages of multistage Air can be cooled perfectly in between Mechanical balance is better More loss of air due to leakage past the cylinder Better lubrication is possible advantages of multistage Air can be cooled perfectly in between Mechanical balance is better ANSWER DOWNLOAD EXAMIANS APP
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