Compressors, Gas Turbines and Jet Engines Volumetric efficiency is The ratio of the air actually delivered to the amount of piston displacement Reciprocal of compression ratio The ratio of stroke volume to clearance volume Index of compressor performance The ratio of the air actually delivered to the amount of piston displacement Reciprocal of compression ratio The ratio of stroke volume to clearance volume Index of compressor performance ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which is false statement about air receivers? These knock out some oil and moisture These increase compressor efficiency These are used to dampen pulsations These act as reservoir to take care of sudden demands These knock out some oil and moisture These increase compressor efficiency These are used to dampen pulsations These act as reservoir to take care of sudden demands ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of air compressors is of the order of 20 - 30% 70 - 90% 60 - 70% 40 - 50% 20 - 30% 70 - 90% 60 - 70% 40 - 50% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single stage, single acting reciprocating air compressor, without clearance, the work-done on the air during isentropic compression is ________ the heat required to raise the temperature of air from Tâ to Tâ at a constant pressure. Less than Greater than None of these Equal to Less than Greater than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For minimum work required to compress and deliver a quantity of air by multistage compression The intercooling should be perfect The compression ratio in each stage should be same The work-done in each stage should be same All of the listed here The intercooling should be perfect The compression ratio in each stage should be same The work-done in each stage should be same All of the listed here 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 Increase in net output but decrease in thermal efficiency Increase in thermal efficiency but decrease in net output Decrease in both thermal efficiency and net output Increase in both thermal efficiency and net output Increase in net output but decrease in thermal efficiency Increase in thermal efficiency but decrease in net output Decrease in both thermal efficiency and net output ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS