Compressors, Gas Turbines and Jet Engines The thermal efficiency of a simple gas turbine for a given turbine inlet temperature with increase in pressure ratio First increases and then decreases First decreases and then increases Decreases Increases First increases and then decreases First decreases and then increases Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressor capacity is defined as the Volume of air delivered by the compressor Volume of air sucked by the compressor during its suction stroke None of these Actual volume of the air delivered by the compressor when reduced to normal temperature and pressure conditions Volume of air delivered by the compressor Volume of air sucked by the compressor during its suction stroke None of these Actual volume of the air delivered by the compressor when reduced to normal temperature and pressure conditions ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which is false statement about advantages of multistage compressor in comparison to single stage compressor? Better mechanical balance Lower volumetric efficiency Less power requirement Less loss of air due to leakage past the cylinder Better mechanical balance Lower volumetric efficiency Less power requirement Less loss of air due to leakage past the cylinder ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The weight per horse power ratio for gas in Turbine as compared to I.C. engine and steam turbine is Same None of these Higher Lower Same None of these Higher Lower ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Inter-cooling in multistage compressors is done To enable compression in two stages To minimize the work of compression To cool the air at delivery To cool the air during compression To enable compression in two stages To minimize the work of compression To cool the air at delivery To cool the air during compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For speed above 3000 km/hour, it is more advantageous to use Rockets Propellers Ramjet engine Turbojet engine Rockets Propellers Ramjet engine Turbojet engine ANSWER DOWNLOAD EXAMIANS APP
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