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 Degree of reaction Slip factor Work factor Pressure coefficient Degree of reaction Slip factor Work factor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed cycle gas turbine consists of a Cooling chamber All of these Heating chamber Compressor Cooling chamber All of these Heating chamber Compressor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If the clearance ratio for a reciprocating air compressor is 'K', then its volumetric efficiency is given by 1 + k - k (p₂/p₁) n-1/n 1 + k - k (p₂/p₁)1/n 1 - k + k (p₁/p₂) n- 1/n 1 - k + k (p₁/p₂)1/n 1 + k - k (p₂/p₁) n-1/n 1 + k - k (p₂/p₁)1/n 1 - k + k (p₁/p₂) n- 1/n 1 - k + k (p₁/p₂)1/n ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbine blades are given a rake Opposite to the direction of motion of blades Depending on the velocity In the direction of motion of blades Equal to zero Opposite to the direction of motion of blades Depending on the velocity In the direction of motion of blades Equal to zero ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Axial flow compressor has the following advantage over centrifugal compressor Larger air handling ability per unit frontal area Aerofoil blades are used Higher pressure ratio per stage Higher average velocities Larger air handling ability per unit frontal area Aerofoil blades are used Higher pressure ratio per stage Higher average velocities ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines During peak load periods, the best method of controlling compressors is Start-stop motor Relief valve Variable speed Constant speed unloader Start-stop motor Relief valve Variable speed Constant speed unloader ANSWER DOWNLOAD EXAMIANS APP