Compressors, Gas Turbines and Jet Engines In which case the air-fuel ratio is likely to be maximum? 4-stroke diesel engine Gas turbine 4-stroke petrol engine Multi cylinder engine 4-stroke diesel engine Gas turbine 4-stroke petrol engine Multi cylinder engine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Inter cooling in compressors Is the standard practice for big compressors Cools the delivered air Results in saving of power in compressing a given volume to given pressure Enables compression in two stages Is the standard practice for big compressors Cools the delivered air Results in saving of power in compressing a given volume to given pressure Enables compression in two stages ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A centrifugal compressor works on the principle of Centripetal action Generating pressure directly Conversion of kinetic energy into pressure energy Conversion of pressure energy into kinetic energy Centripetal action Generating pressure directly Conversion of kinetic energy into pressure energy Conversion of pressure energy into kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a reciprocating air compressor, the compression work per kg of air Increases as clearance volume increases Increases as clearance volume decreases Decreases as clearance volume increases Is independent of clearance volume Increases as clearance volume increases Increases as clearance volume decreases Decreases as clearance volume increases Is independent of clearance volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Maximum temperature in a gas turbine is of the order of 2000°C 1500°C 1000°C 700°C 2000°C 1500°C 1000°C 700°C 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 Both (A) and (B) above Multistage compression Fully insulating the cylinder Cold water spray Both (A) and (B) above Multistage compression Fully insulating the cylinder ANSWER DOWNLOAD EXAMIANS APP