Compressors, Gas Turbines and Jet Engines Ratio of compression is the ratio of Absolute discharge pressure to the absolute intake pressure Gauge discharge pressure to the gauge intake pressure Stroke volume and clearance volume Pressures at discharge and suction corresponding to same temperature Absolute discharge pressure to the absolute intake pressure Gauge discharge pressure to the gauge intake pressure Stroke volume and clearance volume Pressures at discharge and suction corresponding to same temperature ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressor capacity with decrease in suction temperature May increase or decrease depending on compressor capacity Decreases Increases Remain unaffected May increase or decrease depending on compressor capacity Decreases Increases Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in a gas turbine Increases the thermal efficiency Decreases the thermal efficiency Increases the turbine work Increases the compressor work Increases the thermal efficiency Decreases the thermal efficiency Increases the turbine work Increases the compressor work ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The material commonly used for air craft gas turbine is Stainless steel Timken, Haste alloys High alloy steel Duralumin Stainless steel Timken, Haste alloys High alloy steel Duralumin 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 Decreases as clearance volume increases Increases as clearance volume decreases Is independent of clearance volume Increases as clearance volume increases Decreases as clearance volume increases Increases as clearance volume decreases Is independent of clearance volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Axial flow compressor has the following advantage over centrifugal compressor Higher pressure ratio per stage Higher average velocities Aerofoil blades are used Larger air handling ability per unit frontal area Higher pressure ratio per stage Higher average velocities Aerofoil blades are used Larger air handling ability per unit frontal area ANSWER DOWNLOAD EXAMIANS APP
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