Compressors, Gas Turbines and Jet Engines A machine used to raise the pressure of air is called I.C engine Gas turbine Compressor Air motor I.C engine Gas turbine Compressor Air motor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines An air compressor may be controlled by Blow off control Throttle control Any one of the above Clearance control Blow off control Throttle control Any one of the above Clearance control ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In an axial flow compressor, the ratio of pressure in the rotor blades to the pressure rise in the compressor in one stage is known as Work factor Pressure coefficient Degree of reaction Slip factor Work factor Pressure coefficient Degree of reaction Slip factor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency for reciprocating air compressors is about 70 to 90% 60 to 70% 40 to 60% 10 to 40% 70 to 90% 60 to 70% 40 to 60% 10 to 40% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For supplying intermittent small quantity of air at high pressure, following compressor is best suited Axial Centrifugal Reciprocating Screw Axial Centrifugal Reciprocating Screw ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency of the vane blower is (where W₁ = Workdone due to compression, and W₂ = Workdone due to back flow) (W₁ + W₂)/W₂ (W₁ + W₂)/W₁ W₁/(W₁ + W₂) W₂/(W₁ + W₂) (W₁ + W₂)/W₂ (W₁ + W₂)/W₁ W₁/(W₁ + W₂) W₂/(W₁ + W₂) ANSWER DOWNLOAD EXAMIANS APP