Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, an increase in speed at a given pressure ratio causes Decrease in flow Increase in efficiency Increase in flow and decrease in efficiency Increase in flow Decrease in flow Increase in efficiency Increase in flow and decrease in efficiency Increase in flow 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 Jet velocity Half the jet velocity Twice the jet velocity Average of the jet velocity Jet velocity Half the jet velocity Twice the jet velocity Average of the jet velocity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines As the turbine inlet temperature increases, the thermal efficiency of gas turbine for the optimum pressure ratio Remain same Increases Decreases First increases and then decreases Remain same Increases Decreases First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of work-done per cycle to the stroke volume of the compressor is known as Mean effective pressure Compression ratio Compressor efficiency Compressor capacity Mean effective pressure Compression ratio Compressor efficiency Compressor capacity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The minimum work required for a three stage reciprocating air compressor is ___ the work required for each stage. Double Six times Three times Equal to Double Six times Three times Equal to ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Inter-cooling in gas turbine results in Decrease in both thermal efficiency and net output Increase in thermal efficiency but decrease in net output Increase in net output but decrease in thermal efficiency Increase in both thermal efficiency and net output Decrease in both thermal efficiency and net output Increase in thermal efficiency but decrease in net output Increase in net output but decrease in thermal efficiency Increase in both thermal efficiency and net output ANSWER DOWNLOAD EXAMIANS APP
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