Compressors, Gas Turbines and Jet Engines Aeroplanes employ following type of compressor None of these Centrifugal Radial flow Axial flow None of these Centrifugal Radial flow Axial flow ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The effective power of gas turbines is increased by adding the following in compressor Carbon dioxide Hydrogen Nitrogen Ammonia and water vapour Carbon dioxide Hydrogen Nitrogen Ammonia and water vapour ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The performance of air compressor at high altitudes will be ________ as compared to that at sea level. None of these Lower Same Higher None of these Lower Same Higher 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 First increase, reach maximum and then decrease Decrease continuously Increase first at fast rate and then slow Increase first at slow rate and then fast First increase, reach maximum and then decrease Decrease continuously Increase first at fast rate and then slow Increase first at slow rate and then fast ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency and work ratio of a gas turbine plant can be increased by Reheating the air after partial expansion in the turbine All of these Adding heat exchanger Injecting water in/around combustion chamber Reheating the air after partial expansion in the turbine All of these Adding heat exchanger Injecting water in/around combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Axial flow compressor has the following advantage over centrifugal compressor Higher average velocities Aerofoil blades are used Higher pressure ratio per stage Larger air handling ability per unit frontal area Higher average velocities Aerofoil blades are used Higher pressure ratio per stage Larger air handling ability per unit frontal area ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS