Compressors, Gas Turbines and Jet Engines In a single acting reciprocating air compressor, without clearance, the compression of air may be Polytropic Any one of these Isothermal Isentropic Polytropic Any one of these Isothermal Isentropic 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 Screw Axial Centrifugal Reciprocating Screw Axial Centrifugal Reciprocating 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 Pressure coefficient Work factor Slip factor Degree of reaction Pressure coefficient Work factor Slip factor Degree of reaction ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure ratio of an ideal vaned compressor with increase in mass flow rate Increases Remain constant Decreases First decreases and then increases Increases Remain constant Decreases First decreases and then increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbine as compared to internal combustion engine Can be driven at a very high speed Has more efficiency Produces uniform torque All of the listed here Can be driven at a very high speed Has more efficiency Produces uniform torque All of the listed here 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 0.99 0.85 0.9 0.75 0.99 0.85 ANSWER DOWNLOAD EXAMIANS APP
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