Compressors, Gas Turbines and Jet Engines The output of a gas turbine is 300 KW and its efficiency is 20 percent, the heat supplied is 6000 KW 150 KW 600 KW 15 KW 6000 KW 150 KW 600 KW 15 KW ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A rocket engine for the combustion of its fuel Does not require oxygen Uses compressed atmospheric air Carries its own oxygen Uses surrounding air Does not require oxygen Uses compressed atmospheric air Carries its own oxygen Uses surrounding air 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. More than Less than None of these Equal to More than Less than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Atmospheric pressure is 1.03 kg/cm and vapour pressure is 0.03 kg/cm. The air pressure will be 1.00 kg/cm² 0.53 kg/cm² 1.03 kg/cm² 1.06 kg/cm² 1.00 kg/cm² 0.53 kg/cm² 1.03 kg/cm² 1.06 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Maximum delivery pressure is a rotary air compressor is of the order of 16 kg/cm² 25 kg/cm² 6 kg/cm² 10 kg/cm² 16 kg/cm² 25 kg/cm² 6 kg/cm² 10 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In n₁ and n₂ are the indices of compression for the first and second stage of compression, then the ratio of work-done on the first and second stages (W₁/W₂) with perfect intercooling is given by W₁/W₂ = n₁(n₂ - 1)/n₂(n₁ - 1) W₁/W₂ = n₂(n₁ - 1)/n₁(n₂ - 1) W₁/W₂ = n₁/n₂ W₁/W₂ = n₂/n₁ W₁/W₂ = n₁(n₂ - 1)/n₂(n₁ - 1) W₁/W₂ = n₂(n₁ - 1)/n₁(n₂ - 1) W₁/W₂ = n₁/n₂ W₁/W₂ = n₂/n₁ ANSWER DOWNLOAD EXAMIANS APP