Compressors, Gas Turbines and Jet Engines The ratio of the net work obtained from the gas turbine plant to the turbine work is known as Compression ratio Pressure ratio None of these Work ratio Compression ratio Pressure ratio None of these Work ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A turboprop is preferred to turbojet because It can fly at high elevations It has high power for take off It can fly at supersonic speeds It has high propulsive efficiency at high speeds It can fly at high elevations It has high power for take off It can fly at supersonic speeds It has high propulsive efficiency at high speeds ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ratio of indicated H.P. and brake H.P. is known as Volumetric efficiency Mechanical efficiency Adiabatic efficiency Isothermal efficiency Volumetric efficiency Mechanical efficiency Adiabatic efficiency Isothermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Producer gas is produced by Passing steam over incandescent coke Passing air and a large amount of steam over waste coal at about 65°C Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Carbonisation of coal Passing steam over incandescent coke Passing air and a large amount of steam over waste coal at about 65°C Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Carbonisation of coal ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure ratio for the peak efficiency would Increase Decrease Remain same None of these Increase Decrease Remain same None of these 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 Less power requirement Lower volumetric efficiency Better mechanical balance Less loss of air due to leakage past the cylinder Less power requirement Lower volumetric efficiency Better mechanical balance ANSWER DOWNLOAD EXAMIANS APP
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