Compressors, Gas Turbines and Jet Engines The volumetric efficiency of a compressor Increases with increase in compression ratio Decreases with increase in compression ratio Increases with decrease in compression ratio Decreases with decrease in compression ratio Increases with increase in compression ratio Decreases with increase in compression ratio Increases with decrease in compression ratio Decreases with decrease in compression ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For perfect intercooling in a two stage compressor p₂/p₁ = p₃/p₂ p₁ = p3 p₁/p₃ = p₂/p₁ p₁ = p₂ p3 p₂/p₁ = p₃/p₂ p₁ = p3 p₁/p₃ = p₂/p₁ p₁ = p₂ p3 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in gas turbine results in Increase of work ratio Decrease of work ratio Both (A) and (B) above Decrease of thermal efficiency Increase of work ratio Decrease of work ratio Both (A) and (B) above Decrease of thermal efficiency 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 velocity of flow Outlet velocity of flow Inlet whirl velocity Outlet whirl velocity Inlet velocity of flow Outlet velocity of flow Inlet whirl velocity Outlet whirl velocity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure ratio of an ideal vaned compressor with increase in mass flow rate Increases Decreases First decreases and then increases Remain constant Increases Decreases First decreases and then increases Remain constant ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency is 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 The ratio of the air actually delivered to the amount of piston displacement The ratio of stroke volume to clearance volume ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS