Compressors, Gas Turbines and Jet Engines Gas turbine cycle with regenerator Decreases heat loss is exhaust Allows high compression ratio Allows operation at very high altitudes Increases thermal efficiency Decreases heat loss is exhaust Allows high compression ratio Allows operation at very high altitudes Increases thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Cylinder clearance in a compressor should be About 50% of swept volume As small as possible About 100% of swept volume As large as possible About 50% of swept volume As small as possible About 100% of swept volume As large as possible 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 Higher Same Lower None of these Higher Same Lower None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A turboprop is preferred to turbojet because It has high power for take off It can fly at supersonic speeds It can fly at high elevations It has high propulsive efficiency at high speeds It has high power for take off It can fly at supersonic speeds It can fly at high elevations It has high propulsive efficiency at high speeds ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pick up the wrong statement about advantages of multistage compression More loss of air due to leakage past the cylinder Better lubrication is possible advantages of multistage Air can be cooled perfectly in between Mechanical balance is better More loss of air due to leakage past the cylinder Better lubrication is possible advantages of multistage Air can be cooled perfectly in between Mechanical balance is better ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If the flow of air through the compressor is parallel to its axis, then the compressor is Centrifugal compressor Reciprocating compressor Axial flow compressor Turbo compressor Centrifugal compressor Reciprocating compressor Axial flow compressor Turbo compressor ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS