Compressors, Gas Turbines and Jet Engines The ratio of work-done per cycle to the stroke volume of the compressor is known as Mean effective pressure Compression ratio Compressor capacity Compressor efficiency Mean effective pressure Compression ratio Compressor capacity Compressor efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines With the decrease in compression ratio, the volumetric efficiency Increases Decreases First decrease and then increase Does not change Increases Decreases First decrease and then increase Does not change ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The effective power of gas turbines is increased by adding the following in compressor Carbon dioxide Ammonia and water vapour Hydrogen Nitrogen Carbon dioxide Ammonia and water vapour Hydrogen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a closed cycle gas turbine, the air is compressed Isothermally None of these Isentropically Polytropically Isothermally None of these Isentropically Polytropically ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum temperature in a gas turbine is 500°C 200°C 700°C 1000°C 500°C 200°C 700°C 1000°C ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The air-fuel ratio in gas turbines is of the order of 30: 1 15: 1 50: 1. 7: 1 30: 1 15: 1 50: 1. 7: 1 ANSWER DOWNLOAD EXAMIANS APP