Compressors, Gas Turbines and Jet Engines The compression ratio in a gas turbine is of the order of 0.20902777777778 0.50069444444444 0.33402777777778 3.5 : 1 0.20902777777778 0.50069444444444 0.33402777777778 3.5 : 1 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the discharge pressure to the inlet pressure of air is called Expansion ratio Compressor efficiency Volumetric efficiency Compression ratio Expansion ratio Compressor efficiency Volumetric efficiency Compression ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A turboprop is preferred to turbojet because It can fly at supersonic speeds It has high propulsive efficiency at high speeds It has high power for take off It can fly at high elevations It can fly at supersonic speeds It has high propulsive efficiency at high speeds It has high power for take off It can fly at high elevations ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The specific output per kg mass flow rate of a gas turbine (having fixed efficiencies of compressor and turbine and fixed higher and lower temperature) with increase in pressure ratio will Increase first at fast rate and then slow First increase, reach maximum and then decrease Increase first at slow rate and then fast Decrease continuously Increase first at fast rate and then slow First increase, reach maximum and then decrease Increase first at slow rate and then fast Decrease continuously ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbines for power generation are normally used In emergency To supply base load requirements To supply peak load requirements To enable start thermal power plant In emergency To supply base load requirements To supply peak load requirements To enable start thermal power plant ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Inter cooling in compressors Is the standard practice for big compressors Cools the delivered air Enables compression in two stages Results in saving of power in compressing a given volume to given pressure Is the standard practice for big compressors Cools the delivered air Enables compression in two stages Results in saving of power in compressing a given volume to given pressure ANSWER DOWNLOAD EXAMIANS APP
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