Compressors, Gas Turbines and Jet Engines As the turbine inlet temperature increases, the thermal efficiency of gas turbine for the optimum pressure ratio Remain same First increases and then decreases Decreases Increases Remain same First increases and then decreases Decreases Increases 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 Decrease Increase None of these Remain same Decrease Increase None of these Remain same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a high pressure compressor, the delivery pressure is 8 to 10 bar 10 to 15 bar 1 to 5 bar 5 to 8 bar 8 to 10 bar 10 to 15 bar 1 to 5 bar 5 to 8 bar ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Actual compression curve is In between isothermal and adiabatic Same as adiabatic Better than isothermal and adiabatic Same as isothermal In between isothermal and adiabatic Same as adiabatic Better than isothermal and adiabatic Same as isothermal ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In the aircraft propellers Propulsive matter is ejected from within the propelled body The propulsive matter is caused to flow around the propelled body Its functioning does not depend on presence of air All of these Propulsive matter is ejected from within the propelled body The propulsive matter is caused to flow around the propelled body Its functioning does not depend on presence of air All of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The assumption made in two stage compression with inter-cooler is that The compression in both the cylinders is polytropic The suction and delivery of air takes place at constant pressure All of the listed here There is no pressure drop in the inter-cooler The compression in both the cylinders is polytropic The suction and delivery of air takes place at constant pressure All of the listed here There is no pressure drop in the inter-cooler ANSWER DOWNLOAD EXAMIANS APP
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