Compressors, Gas Turbines and Jet Engines A compressor mostly used for supercharging of I.C. engines is Roots blower Radial flow compressor Axial flow compressor Reciprocating compressor Roots blower Radial flow compressor Axial flow compressor Reciprocating compressor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The performance of air compressor at high altitudes will be ________ as compared to that at sea level. Lower Higher Same None of these Lower Higher Same None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The overall isothermal efficiency of the compressor is defined as the ratio of Isentropic power to the power required to drive the compressor Work required to compress the air isothermally to the actual work required to compress the air for the same pressure ratio Isothermal power to the shaft power or B.P. of the motor or engine required to drive the compressor Volume of free air delivery per stroke to the swept volume of the piston Isentropic power to the power required to drive the compressor Work required to compress the air isothermally to the actual work required to compress the air for the same pressure ratio Isothermal power to the shaft power or B.P. of the motor or engine required to drive the compressor Volume of free air delivery per stroke to the swept volume of the piston ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ratio of indicated h.p. to shaft h.p. in known as Compressor efficiency Mechanical efficiency Isothermal efficiency Volumetric efficiency Compressor efficiency Mechanical efficiency Isothermal efficiency Volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The indicated work per unit mass of air delivered is Directly proportional to clearance volume Greatly affected by clearance volume Not affected by clearance volume Inversely proportional to clearance volume Directly proportional to clearance volume Greatly affected by clearance volume Not affected by clearance volume Inversely proportional to clearance volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines To avoid moisture troubles, the branch connections from compressed air lines should be taken from Top side of main Left side of main Right side of main Bottom side of main Top side of main Left side of main Right side of main Bottom side of main ANSWER DOWNLOAD EXAMIANS APP
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