Compressors, Gas Turbines and Jet Engines A gas turbine used in air craft should have 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 High h.p. and low weight Small frontal area and high h.p. ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For perfect intercooling in a two stage compressor p₁ = p3 p₂/p₁ = p₃/p₂ p₁/p₃ = p₂/p₁ p₁ = p₂ p3 p₁ = p3 p₂/p₁ = p₃/p₂ p₁/p₃ = p₂/p₁ p₁ = p₂ p3 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of isentropic work to Euler work is known as Polytropic reaction Slip factor Pressure coefficient Work coefficient Polytropic reaction Slip factor Pressure coefficient Work coefficient 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 Reduced Increased Zero None of these Reduced Increased Zero ANSWER DOWNLOAD EXAMIANS APP
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 whirl velocity Outlet velocity of flow Inlet whirl velocity Inlet velocity of flow Outlet whirl velocity Outlet velocity of flow ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Losses in a centrifugal compressor are due to All of the listed here Diffuser losses Impeller channel losses Inlet losses All of the listed here Diffuser losses Impeller channel losses Inlet losses ANSWER DOWNLOAD EXAMIANS APP
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