Compressors, Gas Turbines and Jet Engines Isothermal compression efficiency, even when running at high speed, can be approached by using Fully insulating the cylinder Both (A) and (B) above Multistage compression Cold water spray Fully insulating the cylinder Both (A) and (B) above Multistage compression Cold water spray ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressor capacity with decrease in suction temperature Increases Remain unaffected Decreases May increase or decrease depending on compressor capacity Increases Remain unaffected Decreases May increase or decrease depending on compressor capacity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The advantage of multistage compression over single stage compression is Decreased discharge temperature Lower power consumption per unit of air delivered All of these Higher volumetric efficiency Decreased discharge temperature Lower power consumption per unit of air delivered All of these Higher volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed cycle gas turbine gives ________ efficiency as compared to an open cycle gas turbine. Higher None of these Same Lower Higher None of these Same Lower ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The overall isothermal efficiency of compressor is defined as the ratio of Work to compress air isothermally to work for actual compression Power to drive compressor to isothermal h.p. Isothermal h.p. to adiabatic h.p. Isothermal h.p. to the BHP of motor Work to compress air isothermally to work for actual compression Power to drive compressor to isothermal h.p. Isothermal h.p. to adiabatic h.p. Isothermal h.p. to the BHP of motor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Propulsive efficiency is defined as ratio of Propulsive power and fuel input Thrust power and propulsive power Thrust power and fuel energy Engine output and propulsive power Propulsive power and fuel input Thrust power and propulsive power Thrust power and fuel energy Engine output and propulsive power ANSWER DOWNLOAD EXAMIANS APP
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