Compressors, Gas Turbines and Jet Engines In a jet propulsion Its functioning does not depend upon presence of air The propulsive matter is caused to flow around the propelled body None of these The propulsive matter is ejected from within the propelled body Its functioning does not depend upon presence of air The propulsive matter is caused to flow around the propelled body None of these The propulsive matter is ejected from within the propelled body ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum delivery pressure in a rotary air compressor is 50 bar 30 bar 10 bar 20 bar 50 bar 30 bar 10 bar 20 bar ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Mechanical efficiency of gas turbines as compared to I.C engines is Higher None of these Lower Same Higher None of these Lower Same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For maximum work, the reheating should be done to an intermediate pressure of (Where p₁ = Maximum pressure, and p₂ = Minimum pressure) (p₁ + p₂)/2 p₁ p₂ (p₁ - p₂)/2 p₁/p₂ (p₁ + p₂)/2 p₁ p₂ (p₁ - p₂)/2 p₁/p₂ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in a gas turbine Increases the thermal efficiency Increases the turbine work Increases the compressor work Decreases the thermal efficiency Increases the thermal efficiency Increases the turbine work Increases the compressor work Decreases the thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which of the following statement is correct relating to rocket engines? The stagnation conditions exist at the combustion chamber All of these The combustion chamber in a rocket engine is directly analogous to the reservoir of a supersonic wind tunnel The exit velocities of exhaust gases are much higher than those in jet engine The stagnation conditions exist at the combustion chamber All of these The combustion chamber in a rocket engine is directly analogous to the reservoir of a supersonic wind tunnel The exit velocities of exhaust gases are much higher than those in jet engine ANSWER DOWNLOAD EXAMIANS APP
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