Compressors, Gas Turbines and Jet Engines When air is to be compressed at a high pressure, then it is advantageous to use Multistage compression without intercooling Single stage compression None of these Multistage compression with intercooling Multistage compression without intercooling Single stage compression None of these Multistage compression with intercooling ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A rocket works with maximum overall efficiency when air craft velocity is equal to the Half the jet velocity Average of the jet velocity Twice the jet velocity Jet velocity Half the jet velocity Average of the jet velocity Twice the jet velocity Jet velocity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines An after-cooler is used to Cause moisture and oil vapour to drop out Remove impurities from air Cool the air Reduce volume of air Cause moisture and oil vapour to drop out Remove impurities from air Cool the air Reduce volume of air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Inter-cooling in gas turbine results in Increase in net output but decrease in thermal efficiency Decrease in both thermal efficiency and net output Increase in thermal efficiency but decrease in net output Increase in both thermal efficiency and net output Increase in net output but decrease in thermal efficiency Decrease in both thermal efficiency and net output Increase in thermal efficiency but decrease in net output Increase in both thermal efficiency and net output ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ramjet engine Requires no air for its operation Is not self operating at zero flight speed Produces a jet consisting of plasma Is self operating at zero flight speed Requires no air for its operation Is not self operating at zero flight speed Produces a jet consisting of plasma Is self operating at zero flight speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a jet propulsion unit, the products of combustion after passing through the gas turbine are discharged into Back to the compressor Atmosphere Discharge nozzle Vacuum Back to the compressor Atmosphere Discharge nozzle Vacuum ANSWER DOWNLOAD EXAMIANS APP
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