Compressors, Gas Turbines and Jet Engines A compressor mostly used for supercharging of I.C. engines is Axial flow compressor Roots blower Radial flow compressor Reciprocating compressor Axial flow compressor Roots blower Radial flow compressor Reciprocating compressor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volume of air sucked by the compressor during its suction stroke is called Swept volume Free air delivery Compressor capacity None of these Swept volume Free air delivery Compressor capacity None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Inter-cooling in gas turbine results in Increase in both thermal efficiency and net output Decrease in both thermal efficiency and net output Increase in thermal efficiency but decrease in net output Increase in net output but decrease in thermal efficiency Increase in both thermal efficiency and net output Decrease in both thermal efficiency and net output Increase in thermal efficiency but decrease in net output Increase in net output but decrease in thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Cylinder clearance in a compressor should be As large as possible As small as possible About 50% of swept volume About 100% of swept volume As large as possible As small as possible About 50% of swept volume About 100% of swept volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reciprocating air compressor is best suited for Small quantity of air at low pressure Small quantity of air at high pressure Large quantity of air at high pressure Large quantity of air at low pressure Small quantity of air at low pressure Small quantity of air at high pressure Large quantity of air at high pressure Large quantity of air at low pressure 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 (p₁/p₂) n- 1/n 1 - k + k (p₁/p₂)1/n 1 + k - k (p₂/p₁)1/n 1 + k - k (p₂/p₁) n-1/n 1 - k + k (p₁/p₂) n- 1/n 1 - k + k (p₁/p₂)1/n 1 + k - k (p₂/p₁)1/n ANSWER DOWNLOAD EXAMIANS APP