Compressors, Gas Turbines and Jet Engines The power available for takeoff and climb in case of turbojet engine as compared to reciprocating engine is More May be less or more depending on ambient conditions Same Less More May be less or more depending on ambient conditions Same Less ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines High air-fuel ratio in gas turbines Improves thermal efficiency Reduces exhaust temperature Do not damage turbine blades Increases power output Improves thermal efficiency Reduces exhaust temperature Do not damage turbine blades Increases power output ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of isentropic work to Euler work is known as Pressure coefficient Work coefficient Polytropic reaction Slip factor Pressure coefficient Work coefficient Polytropic reaction Slip factor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a jet propulsion unit, the products of combustion after passing through the gas turbine are discharged into Back to the compressor Atmosphere Discharge nozzle Vacuum Back to the compressor Atmosphere Discharge nozzle Vacuum ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For supplying intermittent small quantity of air at high pressure, following compressor is best suited Screw Reciprocating Centrifugal Axial Screw Reciprocating Centrifugal Axial ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a reciprocating air compressor, the compression work per kg of air Increases as clearance volume increases Is independent of clearance volume Increases as clearance volume decreases Decreases as clearance volume increases Increases as clearance volume increases Is independent of clearance volume Increases as clearance volume decreases Decreases as clearance volume increases ANSWER DOWNLOAD EXAMIANS APP