Compressors, Gas Turbines and Jet Engines The volumetric efficiency of a compressor falls roughly as follows for every 100 m increase in elevation 5% 1.0% 0.1% 0.5% 5% 1.0% 0.1% 0.5% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The temperature of air at the beginning of the compression stroke is ________ the atmospheric temperature. None of these Less than More than Equal to None of these Less than More than Equal to ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The axial flow compressor is preferred in aircraft gas turbines because of None of the listed here Higher thrust High pressure rise Low frontal area None of the listed here Higher thrust High pressure rise Low frontal area ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum combustion pressure in gas turbine as compared to I.C. engine is More Less Depends on other factors Same More Less Depends on other factors 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 (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 Work ratio of a gas turbine may be improved by Increasing the compression work Both (A) and (C) above Increasing the turbine work Decreasing the compression work Increasing the compression work Both (A) and (C) above Increasing the turbine work Decreasing the compression work ANSWER DOWNLOAD EXAMIANS APP