Compressors, Gas Turbines and Jet Engines A compressor mostly used for supercharging of I.C. engines is Radial flow compressor Roots blower Reciprocating compressor Axial flow compressor Radial flow compressor Roots blower Reciprocating compressor Axial flow compressor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Inter cooling in compressors Cools the delivered air Results in saving of power in compressing a given volume to given pressure Enables compression in two stages Is the standard practice for big compressors Cools the delivered air Results in saving of power in compressing a given volume to given pressure Enables compression in two stages Is the standard practice for big compressors ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure ratio of an ideal vaned compressor with increase in mass flow rate Remain constant Decreases First decreases and then increases Increases Remain constant Decreases First decreases and then increases Increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pick up the false statement Gas turbine is a self starting unit Gas turbine does not require huge quantity of water like steam plant Overall efficiency of gas turbine plant is lower than that of a reciprocating engine Exhaust losses in gas turbine are high due to large mass flow rate Gas turbine is a self starting unit Gas turbine does not require huge quantity of water like steam plant Overall efficiency of gas turbine plant is lower than that of a reciprocating engine Exhaust losses in gas turbine are high due to large mass flow rate ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In multistage compressor, the isothermal compression is achieved by Employing inter-cooler By insulating the cylinder By constantly cooling the cylinder By running compressor at very slow speed Employing inter-cooler By insulating the cylinder By constantly cooling the cylinder By running compressor at very slow speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the volume of free air delivery per stroke to the swept volume of the piston, is known as Volumetric efficiency Isothermal efficiency Mechanical efficiency Compressor efficiency Volumetric efficiency Isothermal efficiency Mechanical efficiency Compressor efficiency ANSWER DOWNLOAD EXAMIANS APP
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