Compressors, Gas Turbines and Jet Engines The ratio of work done per cycle to the swept volume in case of compressor is called Compression ratio Compression index Mean effective pressure Compressor efficiency Compression ratio Compression index Mean effective pressure Compressor efficiency 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 Compressed air before entering the combustion chamber is heated Exhaust gases drive the compressor Heated Bled gas from turbine is heated and readmitted for complete expansion Compressed air before entering the combustion chamber is heated Exhaust gases drive the compressor Heated Bled gas from turbine is heated and readmitted for complete expansion ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The hottest point in a gas turbine is in the center between ~ to i of the blade height at the base at the tip in the center between ~ to i of the blade height at the base at the tip ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor decreases with ________ in compression ratio. Increase Remain same Does not change Decrease Increase Remain same Does not change Decrease ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The propulsive power of the rocket is (where v₁ = Jet velocity, and v₂ = Aircraft velocity) (v₁ - v₂)²/g (v₁² -v₂²)/2g (v₁ - v₂)²/2g (v₁² -v₂²)/g (v₁ - v₂)²/g (v₁² -v₂²)/2g (v₁ - v₂)²/2g (v₁² -v₂²)/g ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single acting reciprocating compressor, the suction, compression and delivery of air takes place in ________ of the piston. One stroke Four strokes Three strokes Two strokes One stroke Four strokes Three strokes Two strokes ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS