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 (p₁ + p₂)/2 (p₁ - p₂)/2 p₁ p₂ p₁/p₂ (p₁ + p₂)/2 (p₁ - p₂)/2 p₁ p₂ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency of compressor with increase in compression ratio will Remain same May increase or decrease depending on clearance volume Decrease Increase Remain same May increase or decrease depending on clearance volume Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A rocket works with maximum overall efficiency when air craft velocity is equal to the Half the jet velocity Jet velocity Twice the jet velocity Average of the jet velocity Half the jet velocity Jet velocity Twice the jet velocity Average of the jet velocity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Inter-cooling in multistage compressors is done To minimize the work of compression To enable compression in two stages To cool the air during compression To cool the air at delivery To minimize the work of compression To enable compression in two stages To cool the air during compression To cool the air at delivery ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ratio of indicated h.p. to shaft h.p. in known as Isothermal efficiency Mechanical efficiency Volumetric efficiency Compressor efficiency Isothermal efficiency Mechanical efficiency Volumetric efficiency Compressor efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Rotary compressor is best suited for Small quantity of air at high pressure Large quantity of air at low pressure Small quantity of air at low pressure Large quantity of air at high pressure Small quantity of air at high pressure Large quantity of air at low pressure Small quantity of air at low pressure Large quantity of air at high pressure ANSWER DOWNLOAD EXAMIANS APP