Compressors, Gas Turbines and Jet Engines The efficiency of the vane blower is (where W₁ = Workdone due to compression, and W₂ = Workdone due to back flow) W₂/(W₁ + W₂) (W₁ + W₂)/W₁ (W₁ + W₂)/W₂ W₁/(W₁ + W₂) W₂/(W₁ + W₂) (W₁ + W₂)/W₁ (W₁ + W₂)/W₂ W₁/(W₁ + W₂) 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. Zero None of these Reduced Increased Zero None of these Reduced Increased ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A centrifugal compressor works on the principle of Generating pressure directly Conversion of kinetic energy into pressure energy Conversion of pressure energy into kinetic energy Centripetal action Generating pressure directly Conversion of kinetic energy into pressure energy Conversion of pressure energy into kinetic energy Centripetal action ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pick up wrong statement. Surging phenomenon in centrifugal compressor depends on Stagnation pressure at the outlet Change in load Mass flow rate Pressure ratio Stagnation pressure at the outlet Change in load Mass flow rate Pressure ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Axial flow compressor resembles Sliding vane compressor Centrifugal pump Turbine Reciprocating pump Sliding vane compressor Centrifugal pump Turbine Reciprocating pump ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Euler's equation can be used for Axial flow compressors Pumps Radial flow compressors All of these Axial flow compressors Pumps Radial flow compressors All of these ANSWER DOWNLOAD EXAMIANS APP
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