Compressors, Gas Turbines and Jet Engines The maximum delivery pressure in a rotary air compressor is 10 bar 30 bar 20 bar 50 bar 10 bar 30 bar 20 bar 50 bar ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in gas turbine results in Decrease of work ratio Both (A) and (B) above Decrease of thermal efficiency Increase of work ratio Decrease of work ratio Both (A) and (B) above Decrease of thermal efficiency Increase of work ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Work ratio of a gas turbine may be improved by Decreasing the compression work Increasing the compression work Increasing the turbine work Both (A) and (C) above Decreasing the compression work Increasing the compression work Increasing the turbine work Both (A) and (C) above ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a double acting compressor, the air is compressed In one cylinder In two cylinders on both sides of the piston In two cylinders In a single cylinder on both sides of the piston In one cylinder In two cylinders on both sides of the piston In two cylinders In a single cylinder on both sides of the piston ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A gas turbine used in air craft should have High speed and high h.p. Small frontal area and high h.p. High h.p. and low weight Low weight and small frontal area High speed and high h.p. Small frontal area and high h.p. High h.p. and low weight Low weight and small frontal area ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The following is true for an open cycle gas turbine having exhaust heat exchanger. Atmospheric air before entering the compressor is Heated Compressed air before entering the combustion chamber is heated Bled gas from turbine is heated and readmitted for complete expansion Exhaust gases drive the compressor Heated Compressed air before entering the combustion chamber is heated Bled gas from turbine is heated and readmitted for complete expansion Exhaust gases drive the compressor ANSWER DOWNLOAD EXAMIANS APP
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