Compressors, Gas Turbines and Jet Engines The velocity of air entering in a rocket is ___ as compared to an aircraft. Less Same More Zero Less Same More Zero ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The inter-cooler pressure, for minimum work required, for a two stage reciprocating air compressor, is given by (where p₁ = Intake pressure of air, p₂ = Inter-cooler pressure, and p₃ = Delivery pressure of air) p₂ = p₁ × p₂ p₂ = p₃/p₁ p₂ = p₁/p₃ p₂ = p₁ × p₃ p₂ = p₁ × p₂ p₂ = p₃/p₁ p₂ = p₁/p₃ p₂ = p₁ × p₃ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thrust of a jet propulsion power unit can be increased by Burning fuel after gas turbine Injecting water into the compressor All of these Injecting ammonia into the combustion chamber Burning fuel after gas turbine Injecting water into the compressor All of these Injecting ammonia into the combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The absolute pressure of air at the outlet of a compressor is called Back pressure Discharge pressure Critical pressure None of the listed here Back pressure Discharge pressure Critical pressure None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The closed cycle in gas turbines Provides lesser flexibility Provides greater flexibility Is used when gas is to be burnt In never used Provides lesser flexibility Provides greater flexibility Is used when gas is to be burnt In never used ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Propulsion efficiency of the following order is obtained in practice 0.6 0.34 0.72 0.5 0.6 0.34 0.72 0.5 ANSWER DOWNLOAD EXAMIANS APP