Compressors, Gas Turbines and Jet Engines The air is delivered ________ in one revolution in case of a three lobbed rotor. Two times Six times Four times Three times Two times Six times Four times Three times 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 0.9 0.75 0.85 0.99 0.9 0.75 0.85 0.99 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The propulsive power of the rocket is (where v₁ = Jet velocity, and v₂ = Aircraft velocity) (v₁² -v₂²)/2g (v₁ - v₂)²/g (v₁² -v₂²)/g (v₁ - v₂)²/2g (v₁² -v₂²)/2g (v₁ - v₂)²/g (v₁² -v₂²)/g (v₁ - v₂)²/2g ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The work-done on a compressor will be minimum if air is taken from The atmosphere A source at 0° C A source of low temperature air A source of high temperature air The atmosphere A source at 0° C A source of low temperature air A source of high temperature air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines When the temperature of air leaving the inter-cooler, in a two stage compression with inter-cooler, is ________ the original atmospheric air temperature, then the intercooling is known as perfect or complete intercooling. None of these More than Less than Equal to None of these More than Less than Equal to ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Surging is the phenomenon of Air stream not able to follow the blade contour Unsteady, periodic and reversed flow Air stream blocking the passage Motion of air at sonic velocity Air stream not able to follow the blade contour Unsteady, periodic and reversed flow Air stream blocking the passage Motion of air at sonic velocity ANSWER DOWNLOAD EXAMIANS APP
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