Compressors, Gas Turbines and Jet Engines During peak load periods, the best method of controlling compressors is Constant speed unloader Start-stop motor Relief valve Variable speed Constant speed unloader Start-stop motor Relief valve Variable speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In axial flow compressor, exit flow angle deviation from the blade angle is a function of Blade camber and incidence angle Space-chord ratio Blade camber Blade camber and space-chord ratio Blade camber and incidence angle Space-chord ratio Blade camber Blade camber and space-chord ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure ratio of an ideal vaned compressor with increase in mass flow rate Remain constant Increases First decreases and then increases Decreases Remain constant Increases First decreases and then increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum temperature in a gas turbine is 700°C 500°C 200°C 1000°C 700°C 500°C 200°C 1000°C ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum propulsion efficiency of a turbojet is attained at around following speed 1700 km/hr 550 km/hr 1050 km/hr 2400 km/hr 1700 km/hr 550 km/hr 1050 km/hr 2400 km/hr ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure ratio for the peak efficiency would None of these Increase Remain same Decrease None of these Increase Remain same Decrease ANSWER DOWNLOAD EXAMIANS APP
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