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 1 bar 16 bar 256 bar 64 bar 1 bar 16 bar 256 bar 64 bar ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For minimum work required to compress and deliver a quantity of air by multistage compression All of the listed here The intercooling should be perfect The compression ratio in each stage should be same The work-done in each stage should be same All of the listed here The intercooling should be perfect The compression ratio in each stage should be same The work-done in each stage should be same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of isentropic work to Euler’s work is known as Pressure coefficient Compressor efficiency Isentropic efficiency Euler Pressure coefficient Compressor efficiency Isentropic efficiency Euler ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Out of the following, from where you will prefer to take intake for air compressor From a side where cooling tower is located nearby From an air conditioned room maintained at 20°C From outside atmosphere at 1°C From coal yard side From a side where cooling tower is located nearby From an air conditioned room maintained at 20°C From outside atmosphere at 1°C From coal yard side ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For speed above 3000 km/hour, it is more advantageous to use Propellers Ramjet engine Turbojet engine Rockets Propellers Ramjet engine Turbojet engine Rockets 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 Decrease Remain same None of these Increase Decrease Remain same None of these Increase ANSWER DOWNLOAD EXAMIANS APP
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