Compressors, Gas Turbines and Jet Engines The criterion of the thermodynamic efficiency for rotary compressor is None of the listed here Isentropic compression Polytropic compression Isothermal compression None of the listed here Isentropic compression Polytropic compression Isothermal compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed gas turbine in which fuel is burnt directly in the air is not possible because of Increasing gas temperature High specific volume High friction losses Paucity of O2 Increasing gas temperature High specific volume High friction losses Paucity of O2 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Work ratio of a gas turbine plant is ratio of Work done by turbine and heat supplied Work done by turbine and net work output Net work output and work done by turbine Net work output and heat supplied Work done by turbine and heat supplied Work done by turbine and net work output Net work output and work done by turbine Net work output and heat supplied ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Standard air is the air at 20°C and 1 kg/cm² and relative humidity 36% 15°C and 1 kg/cm² 0°C and standard atmospheric conditions Atmospheric conditions at any specific location 20°C and 1 kg/cm² and relative humidity 36% 15°C and 1 kg/cm² 0°C and standard atmospheric conditions Atmospheric conditions at any specific location ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of work-done per cycle to the stroke volume of the compressor is known as Compressor capacity Mean effective pressure Compression ratio Compressor efficiency Compressor capacity Mean effective pressure Compression ratio Compressor efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum propulsion efficiency of a turbojet is attained at around following speed 1700 km/hr 550 km/hr 2400 km/hr 1050 km/hr 1700 km/hr 550 km/hr 2400 km/hr 1050 km/hr ANSWER DOWNLOAD EXAMIANS APP