Compressors, Gas Turbines and Jet Engines The process, which causes the air to enter the impeller blades of a centrifugal compressor at ________ velocity (without effecting the mass of air to flow and velocity of flow) is known as prewhirl. Zero Increased None of these Reduced Zero Increased None of these Reduced ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbine as compared to internal combustion engine Has more efficiency Produces uniform torque Can be driven at a very high speed All of the listed here Has more efficiency Produces uniform torque Can be driven at a very high speed All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Temperature of gases at end of compression as compared to exhaust gases in a gas turbine is Equal Can't be compared Higher Lower Equal Can't be compared Higher Lower ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A compressor at high altitude will draw Less power More/less power depending on other factors Same power More power Less power More/less power depending on other factors Same power More power ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A turboprop is preferred to turbojet because It can fly at high elevations It has high power for take off It can fly at supersonic speeds It has high propulsive efficiency at high speeds It can fly at high elevations It has high power for take off It can fly at supersonic speeds It has high propulsive efficiency at high speeds ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the discharge pressure to the inlet pressure of air is called Compressor efficiency Expansion ratio Volumetric efficiency Compression ratio Compressor efficiency Expansion ratio Volumetric efficiency Compression ratio ANSWER DOWNLOAD EXAMIANS APP
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