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 First increase, reach maximum and then decrease Decrease continuously Increase first at slow rate and then fast Increase first at fast rate and then slow First increase, reach maximum and then decrease Decrease continuously Increase first at slow rate and then fast Increase first at fast rate and then slow ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines An air compressor may be controlled by Clearance control Throttle control Any one of the above Blow off control Clearance control Throttle control Any one of the above Blow off control ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines To avoid moisture troubles, the compressed air main line should Be laid exactly horizontally Be laid vertically Rise gradually towards the point of use Drop gradually towards the point of use Be laid exactly horizontally Be laid vertically Rise gradually towards the point of use Drop gradually towards the point of use ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency of a compressor falls roughly as follows for every 5°C increase in atmospheric temperature 0.01 0.005 0.001 0.05 0.01 0.005 0.001 0.05 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A jet engine works on the principle of conservation of Flow Mass Linear momentum Energy Flow Mass Linear momentum Energy ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure ratio for the peak efficiency would Increase None of these Remain same Decrease Increase None of these Remain same Decrease ANSWER DOWNLOAD EXAMIANS APP
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