Compressors, Gas Turbines and Jet Engines In a single stage, single acting reciprocating air compressor, without clearance volume, the work-done is minimum during None of these Isothermal compression Isentropic compression Polytropic compression None of these Isothermal compression Isentropic compression Polytropic compression 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 Reheating in a multistage expansion gas turbine ________ compressor work. Increases Decreases None of these Has no effect on Increases Decreases None of these Has no effect on ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Rotary compressors are used for delivering Large quantities of air at high pressures Large quantities of air at low pressures Small quantities of air at high pressures Small quantities of air at low pressures Large quantities of air at high pressures Large quantities of air at low pressures Small quantities of air at high pressures Small quantities of air at low pressures ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines It is not possible to use closed gas turbine cycle in aeronautical engines because It requires cooling water for its operation None of these It is bulky It is inefficient It requires cooling water for its operation None of these It is bulky It is inefficient 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 Average of the jet velocity Half the jet velocity Twice the jet velocity Jet velocity Average of the jet velocity Half the jet velocity Twice the jet velocity Jet velocity ANSWER DOWNLOAD EXAMIANS APP
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