Compressors, Gas Turbines and Jet Engines Ratio of indicated h.p. to shaft h.p. in known as Compressor efficiency Isothermal efficiency Mechanical efficiency Volumetric efficiency Compressor efficiency Isothermal efficiency Mechanical efficiency Volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pick up the correct statement Gas turbines have their blades similar to steam turbine Gas turbine's blade will appear as impulse section at the hub and as a reaction section at tip Gas turbines use both air and liquid cooling Large gas turbines use radial inflow turbines Gas turbines have their blades similar to steam turbine Gas turbine's blade will appear as impulse section at the hub and as a reaction section at tip Gas turbines use both air and liquid cooling Large gas turbines use radial inflow turbines ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which is false statement about multistage compression? It is best suited for compression ratios around 7:1 Power consumption per unit of air delivered is low Volumetric efficiency is high The moisture in air is condensed in the inter-cooler It is best suited for compression ratios around 7:1 Power consumption per unit of air delivered is low Volumetric efficiency is high The moisture in air is condensed in the inter-cooler ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in a gas turbine Increases the thermal efficiency Increases the compressor work Increases the turbine work Decreases the thermal efficiency Increases the thermal efficiency Increases the compressor work Increases the turbine work Decreases the thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of air compressors is of the order of 70 - 90% 60 - 70% 20 - 30% 40 - 50% 70 - 90% 60 - 70% 20 - 30% 40 - 50% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For perfect intercooling in a three stage compressor p₂/p₁ = p₃/p₂ = p₄/p₃ p₃/p₁ = p₄/p₂ p₁ p₃ = p₂ p₄ p₁ p₂ = p₃ p₄ p₂/p₁ = p₃/p₂ = p₄/p₃ p₃/p₁ = p₄/p₂ p₁ p₃ = p₂ p₄ p₁ p₂ = p₃ p₄ ANSWER DOWNLOAD EXAMIANS APP