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. Reduced Zero None of these Increased Reduced Zero None of these Increased ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed cycle gas turbine gives ________ efficiency as compared to an open cycle gas turbine. Higher None of these Lower Same Higher None of these Lower Same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency of a jet engine is higher at Low speeds Low altitudes High speeds High altitudes Low speeds Low altitudes High speeds High altitudes ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Turbofan engine employs Solid fuel firing Two or more air streams One air stream No air stream Solid fuel firing Two or more air streams One air stream No air stream ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a jet propulsion unit, the products of combustion after passing through the gas turbine are discharged into Back to the compressor Atmosphere Vacuum Discharge nozzle Back to the compressor Atmosphere Vacuum Discharge nozzle ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A gas turbine used in air craft should have High h.p. and low weight Small frontal area and high h.p. High speed and high h.p. Low weight and small frontal area High h.p. and low weight Small frontal area and high h.p. High speed and high h.p. Low weight and small frontal area ANSWER DOWNLOAD EXAMIANS APP
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