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 Decrease Remain same None of these Increase Decrease Remain same None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines What will be the volume of air at 327°C if its volume at 27°C is 1.5 m³/ mt? 18 m³/ mt. 1.5 m³/ mt. 6 m³/ mt. 3 m³/ mt. 18 m³/ mt. 1.5 m³/ mt. 6 m³/ mt. 3 m³/ mt. ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbine as compared to internal combustion engine Can be driven at a very high speed All of the listed here Produces uniform torque Has more efficiency Can be driven at a very high speed All of the listed here Produces uniform torque Has more efficiency 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 flow Increase in efficiency Decrease in flow Increase in flow and decrease in efficiency Increase in flow Increase in efficiency Decrease in flow Increase in flow and decrease in efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The fuel consumption in gas turbines is accounted for by Heating value Higher calorific value Lower heating value Higher heating value Heating value Higher calorific value Lower heating value Higher heating value ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines An ideal air compressor cycle without clearance on P-V diagram can be represented by following processes One adiabatic, one isobaric and two constant volumes Two adiabatic and two isobaric One adiabatic, two isobaric, and one constant volume Two adiabatic, one isobaric and one constant volume One adiabatic, one isobaric and two constant volumes Two adiabatic and two isobaric One adiabatic, two isobaric, and one constant volume Two adiabatic, one isobaric and one constant volume ANSWER DOWNLOAD EXAMIANS APP
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