Compressors, Gas Turbines and Jet Engines Inter cooling in compressors Is the standard practice for big compressors Enables compression in two stages Results in saving of power in compressing a given volume to given pressure Cools the delivered air Is the standard practice for big compressors Enables compression in two stages Results in saving of power in compressing a given volume to given pressure Cools the delivered air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Separators are generally used in air compressor installations Before the inter-cooler Before first stage suction Between the after-cooler and receiver After the inter-cooler Before the inter-cooler Before first stage suction Between the after-cooler and receiver After the inter-cooler ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The combustion efficiency of a gas turbine using perfect combustion chamber is of the order of 0.75 0.9 0.99 0.85 0.75 0.9 0.99 0.85 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ratio of indicated h.p. to shaft h.p. in known as Volumetric efficiency Mechanical efficiency Compressor efficiency Isothermal efficiency Volumetric efficiency Mechanical efficiency Compressor efficiency Isothermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Compression efficiency is compared against Isentropic compression Adiabatic compression Isothermal compression Ideal compression Isentropic compression Adiabatic compression Isothermal compression Ideal compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Isothermal compression efficiency, even when running at high speed, can be approached by using Cold water spray Multistage compression Both (A) and (B) above Fully insulating the cylinder Cold water spray Multistage compression Both (A) and (B) above Fully insulating the cylinder ANSWER DOWNLOAD EXAMIANS APP
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