Compressors, Gas Turbines and Jet Engines The indicated work per unit mass of air delivered is Greatly affected by clearance volume Inversely proportional to clearance volume Directly proportional to clearance volume Not affected by clearance volume Greatly affected by clearance volume Inversely proportional to clearance volume Directly proportional to clearance volume Not affected by clearance volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of outlet whirl velocity to blade velocity in case of centrifugal compressor is called Slip factor None of these Velocity coefficient Velocity factor Slip factor None of these Velocity coefficient Velocity factor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency and work ratio of a gas turbine plant can be increased by Adding heat exchanger Reheating the air after partial expansion in the turbine All of these Injecting water in/around combustion chamber Adding heat exchanger Reheating the air after partial expansion in the turbine All of these Injecting water in/around combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The process, which causes the air to enter the impeller blades of a centrifugal compressor at ________ velocity (without effecting the mass of air to flow and velocity of flow) is known as prewhirl. Zero Reduced Increased None of these Zero Reduced Increased None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Free air is the air at 0°C and standard atmospheric conditions Atmospheric conditions at any specific location 20°C and 1 kg/cm² and relative humidity of 36% 15°C and 1 kg/cm² 0°C and standard atmospheric conditions Atmospheric conditions at any specific location 20°C and 1 kg/cm² and relative humidity of 36% 15°C and 1 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For speed above 3000 km/hour, it is more advantageous to use Propellers Rockets Ramjet engine Turbojet engine Propellers Rockets Ramjet engine Turbojet engine ANSWER DOWNLOAD EXAMIANS APP
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