Compressors, Gas Turbines and Jet Engines The volumetric efficiency of compressor with increase in compression ratio will Remain same Decrease May increase or decrease depending on clearance volume Increase Remain same Decrease May increase or decrease depending on clearance volume Increase ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a four stage compressor, if the pressure at the first and third stage is 1 bar and 16 bar, then the delivery pressure at the fourth stage will be 64 bar 1 bar 256 bar 16 bar 64 bar 1 bar 256 bar 16 bar ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of outlet whirl velocity to blade velocity in case of centrifugal compressor is called Velocity factor None of these Velocity coefficient Slip factor Velocity factor None of these Velocity coefficient Slip factor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The process, which causes the air to enter the impeller blades of a centrifugal compressor at ________ velocity (without effecting the mass of air to flow and velocity of flow) is known as prewhirl. Zero Reduced Increased None of these Zero Reduced Increased None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single stage, single acting reciprocating air compressor without clearance volume, the work-done is maximum during Polytropic compression None of these Isothermal compression Isentropic compression Polytropic compression None of these Isothermal compression Isentropic compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thrust on the rotor in a centrifugal compressor is produced by None of these Axial component Tangential component Radial component None of these Axial component Tangential component Radial component ANSWER DOWNLOAD EXAMIANS APP
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