Compressors, Gas Turbines and Jet Engines The pressure ratio in gas turbines is of the order of 2.5423611111111 0.084027777777778 0.16736111111111 0.37569444444444 2.5423611111111 0.084027777777778 0.16736111111111 0.37569444444444 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For an irreversible gas turbine cycle, the efficiency and work ratio both depend on Pressure ratio alone Both pressure ratio and maximum cycle temperature Minimum cycle temperature alone Maximum cycle temperature alone Pressure ratio alone Both pressure ratio and maximum cycle temperature Minimum cycle temperature alone Maximum cycle temperature alone ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Actual compression curve is Same as adiabatic Same as isothermal In between isothermal and adiabatic Better than isothermal and adiabatic Same as adiabatic Same as isothermal In between isothermal and adiabatic Better than isothermal and adiabatic ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ratio of indicated h.p. to shaft h.p. in known as Mechanical efficiency Compressor efficiency Isothermal efficiency Volumetric efficiency Mechanical efficiency Compressor efficiency Isothermal efficiency Volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a four stage compressor, if the pressure at the first and third stage is 1 bar and 16 bar, then the delivery pressure at the fourth stage will be 16 bar 1 bar 256 bar 64 bar 16 bar 1 bar 256 bar 64 bar ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For maximum work, the reheating should be done to an intermediate pressure of (Where p₁ = Maximum pressure, and p₂ = Minimum pressure) (p₁ + p₂)/2 (p₁ - p₂)/2 p₁/p₂ p₁ p₂ (p₁ + p₂)/2 (p₁ - p₂)/2 p₁/p₂ p₁ p₂ ANSWER DOWNLOAD EXAMIANS APP