Compressors, Gas Turbines and Jet Engines The overall efficiency of the compressed air system is the Ratio of shaft output of the air motor to the shaft input to the compressor Ratio of shaft input to the compressor to the shaft output of air motor None of these Product of shaft output of air motor and shaft input to the compressor Ratio of shaft output of the air motor to the shaft input to the compressor Ratio of shaft input to the compressor to the shaft output of air motor None of these Product of shaft output of air motor and shaft input to the compressor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure ratio in gas turbines is of the order of 2.5423611111111 0.37569444444444 0.16736111111111 0.084027777777778 2.5423611111111 0.37569444444444 0.16736111111111 0.084027777777778 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines When air is to be compressed at a high pressure, then it is advantageous to use Multistage compression with intercooling Single stage compression None of these Multistage compression without intercooling Multistage compression with intercooling Single stage compression None of these Multistage compression without intercooling ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The mass of gas turbine per kW developed is about ________ as that of an I.C. engine. One fourth One-half Same One sixth One fourth One-half Same One sixth ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines With the decrease in compression ratio, the volumetric efficiency Does not change Decreases Increases First decrease and then increase Does not change Decreases Increases First decrease and then increase ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single acting reciprocating air compressor, without clearance, the compression of air may be Polytropic Isothermal Any one of these Isentropic Polytropic Isothermal Any one of these Isentropic ANSWER DOWNLOAD EXAMIANS APP
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