Compressors, Gas Turbines and Jet Engines If the flow of air through the compressor is parallel to its axis, then the compressor is Axial flow compressor Reciprocating compressor Centrifugal compressor Turbo compressor Axial flow compressor Reciprocating compressor Centrifugal compressor Turbo compressor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum temperature in a gas turbine is 1000°C 700°C 200°C 500°C 1000°C 700°C 200°C 500°C ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In open cycle turbojet engines used in military aircraft, reheating the exhaust gas from the turbine by burning, more fuel is used to increase the Thrust and range of aircraft None of these Both (A) and (B) Efficiency of the engine Thrust and range of aircraft None of these Both (A) and (B) Efficiency of the engine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines High air-fuel ratio in gas turbines Improves thermal efficiency Increases power output Do not damage turbine blades Reduces exhaust temperature Improves thermal efficiency Increases power output Do not damage turbine blades Reduces exhaust temperature 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 Increase None of these Remain same Decrease Increase None of these Remain same Decrease ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, an increase in speed at a given pressure ratio causes Increase in efficiency Decrease in flow Increase in flow Increase in flow and decrease in efficiency Increase in efficiency Decrease in flow Increase in flow Increase in flow and decrease in efficiency ANSWER DOWNLOAD EXAMIANS APP
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