Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, the ratio of the ________ to the blade velocity is called slip factor. Inlet whirl velocity Inlet velocity of flow Outlet velocity of flow Outlet whirl velocity Inlet whirl velocity Inlet velocity of flow Outlet velocity of flow Outlet whirl velocity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a turbo jet engine, subsequent to heat addition to compressed air, to get the power output, the working substance is expanded in Turbine blades, which is essentially an isentropic process Exit nozzle, which is a constant volume process Turbine blades, which is a constant volume process Exit nozzle, which is essentially an isentropic process Turbine blades, which is essentially an isentropic process Exit nozzle, which is a constant volume process Turbine blades, which is a constant volume process Exit nozzle, which is essentially an isentropic process 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. Low weight and small frontal area High speed and high h.p. High h.p. and low weight Small frontal area and high h.p. Low weight and small frontal area High speed and high h.p. ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure ratio of an ideal vaned compressor with increase in mass flow rate Remain constant Increases Decreases First decreases and then increases Remain constant Increases Decreases First decreases and then increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For minimum work in multistage compression, assuming same index of compression in all stages Work done in first stage should be more Work done in subsequent stages should decrease Work done in subsequent stages should increase Work done in all stages should be equal Work done in first stage should be more Work done in subsequent stages should decrease Work done in subsequent stages should increase Work done in all stages should be equal ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Cylinder clearance in a compressor should be About 100% of swept volume As large as possible About 50% of swept volume As small as possible About 100% of swept volume As large as possible About 50% of swept volume As small as possible ANSWER DOWNLOAD EXAMIANS APP
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