Compressors, Gas Turbines and Jet Engines The pressure ratio of an ideal vaned compressor with increase in mass flow rate Remain constant Decreases Increases First decreases and then increases Remain constant Decreases Increases First decreases and then increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thermodynamic efficiency of rotary compressor is based on Isentropic compression Isothermal compression Adiabatic compression Polytropic compression Isentropic compression Isothermal compression Adiabatic compression Polytropic compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The effective power of gas turbines is increased by adding the following in compressor Nitrogen Carbon dioxide Hydrogen Ammonia and water vapour Nitrogen Carbon dioxide Hydrogen Ammonia and water vapour ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Work ratio of a gas turbine may be improved by Both (A) and (C) above Increasing the turbine work Decreasing the compression work Increasing the compression work Both (A) and (C) above Increasing the turbine work Decreasing the compression work Increasing the compression work ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In the axial flow gas turbine, the work ratio is the ratio of Output and input Compressor work and turbine work Actual total head temperature drop to the isentropic total head drop from total head inlet to static head outlet Actual compressor work and theoretical compressor work Output and input Compressor work and turbine work Actual total head temperature drop to the isentropic total head drop from total head inlet to static head outlet Actual compressor work and theoretical compressor work ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which is false statement about advantages of multistage compressor in comparison to single stage compressor? Less loss of air due to leakage past the cylinder Lower volumetric efficiency Less power requirement Better mechanical balance Less loss of air due to leakage past the cylinder Lower volumetric efficiency Less power requirement Better mechanical balance ANSWER DOWNLOAD EXAMIANS APP
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