Compressors, Gas Turbines and Jet Engines For supplying intermittent small quantity of air at high pressure, following compressor is best suited Axial Centrifugal Screw Reciprocating Axial Centrifugal Screw Reciprocating ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Propulsion efficiency of the following order is obtained in practice 0.34 0.5 0.72 0.6 0.34 0.5 0.72 0.6 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency is The ratio of the air actually delivered to the amount of piston displacement The ratio of stroke volume to clearance volume Reciprocal of compression ratio Index of compressor performance The ratio of the air actually delivered to the amount of piston displacement The ratio of stroke volume to clearance volume Reciprocal of compression ratio Index of compressor performance ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The criterion of the thermodynamic efficiency for rotary compressor is Isentropic compression Polytropic compression None of the listed here Isothermal compression Isentropic compression Polytropic compression None of the listed here Isothermal compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In which case the air-fuel ratio is likely to be maximum? 4-stroke petrol engine Multi cylinder engine Gas turbine 4-stroke diesel engine 4-stroke petrol engine Multi cylinder engine Gas turbine 4-stroke diesel engine 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. None of these Zero Increased Reduced None of these Zero Increased Reduced ANSWER DOWNLOAD EXAMIANS APP
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