Compressors, Gas Turbines and Jet Engines In a single stage, single acting reciprocating air compressor, without clearance volume, the work-done is minimum during Isothermal compression None of these Isentropic compression Polytropic compression Isothermal compression None of these Isentropic compression Polytropic compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thermal efficiency of a simple gas turbine for a given turbine inlet temperature with increase in pressure ratio Decreases First increases and then decreases Increases First decreases and then increases Decreases First increases and then decreases Increases First decreases and then increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In the aircraft propellers Propulsive matter is ejected from within the propelled body Its functioning does not depend on presence of air All of these The propulsive matter is caused to flow around the propelled body Propulsive matter is ejected from within the propelled body Its functioning does not depend on presence of air All of these The propulsive matter is caused to flow around the propelled body ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ideal efficiency of simple gas turbine cycle depends on Minimum cycle temperature All of these Maximum cycle temperature Pressure ratio Minimum cycle temperature All of these Maximum cycle temperature Pressure ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure ratio in gas turbines is of the order of 0.37569444444444 0.16736111111111 2.5423611111111 0.084027777777778 0.37569444444444 0.16736111111111 2.5423611111111 0.084027777777778 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Actual compression curve is Same as adiabatic Better than isothermal and adiabatic Same as isothermal In between isothermal and adiabatic Same as adiabatic Better than isothermal and adiabatic Same as isothermal In between isothermal and adiabatic ANSWER DOWNLOAD EXAMIANS APP
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