Compressors, Gas Turbines and Jet Engines Isothermal compression though most efficient, but is not practicable because Compressor has to run at very slow speed to achieve it It does not increase pressure much It is impossible in practice It requires very big cylinder Compressor has to run at very slow speed to achieve it It does not increase pressure much It is impossible in practice It requires very big cylinder ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The power available for takeoff and climb in case of turbojet engine as compared to reciprocating engine is Same May be less or more depending on ambient conditions More Less Same May be less or more depending on ambient conditions More Less ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in multistage expansion gas turbine results in High thermal efficiency Maximum work output Reduction in compressor work Decrease of heat loss in exhaust High thermal efficiency Maximum work output Reduction in compressor work Decrease of heat loss in exhaust ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which one of the following is the effect of blade shape on performance of a centrifugal compressor? Forward curved blades produce lower pressure ratio Backward curved blades lead to stable performance Backward curved blades has poor efficiency Forward curved blades has higher efficiency Forward curved blades produce lower pressure ratio Backward curved blades lead to stable performance Backward curved blades has poor efficiency Forward curved blades has higher efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If the flow of air through the compressor is perpendicular to its axis, then it is a Reciprocating compressor Centrifugal compressor Axial flow compressor Turbo compressor Reciprocating compressor Centrifugal compressor Axial flow compressor Turbo compressor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thrust of a jet propulsion power unit can be increased by Burning fuel after gas turbine Injecting water into the compressor All of these Injecting ammonia into the combustion chamber Burning fuel after gas turbine Injecting water into the compressor All of these Injecting ammonia into the combustion chamber ANSWER DOWNLOAD EXAMIANS APP
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