Compressors, Gas Turbines and Jet Engines The most efficient method of compressing air is to compress it Isentropically Isothermally Isochronically Adiabatically Isentropically Isothermally Isochronically Adiabatically ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The main purpose of reheating in gas turbine is to Reduce turbine size Increase speed Increase temperature Increase power output Reduce turbine size Increase speed Increase temperature Increase power output ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a reciprocating air compressor, the compression work per kg of air 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 Increases as clearance volume increases Increases as clearance volume decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines After-cooler is used to Cool the air Reduce volume Cause moisture and oil vapour to drop out Decrease the delivery temperature for ease in handling Cool the air Reduce volume Cause moisture and oil vapour to drop out Decrease the delivery temperature for ease in handling ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ratio of indicated H.P. and brake H.P. is known as Adiabatic efficiency Volumetric efficiency Mechanical efficiency Isothermal efficiency Adiabatic efficiency Volumetric efficiency Mechanical efficiency Isothermal efficiency 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 (v₁ - v₂)²/2g (v₁² -v₂²)/g (v₁² -v₂²)/2g (v₁ - v₂)²/g (v₁ - v₂)²/2g (v₁² -v₂²)/g ANSWER DOWNLOAD EXAMIANS APP