Compressors, Gas Turbines and Jet Engines When the outlet angle from the rotor of a centrifugal compressor is more than 90°, then the blades are said to be None of the listed here Backward curved Forward curved Radial None of the listed here Backward curved Forward curved Radial ANSWER DOWNLOAD EXAMIANS APP
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) (W₁ + W₂)/W₂ W₁/(W₁ + W₂) W₂/(W₁ + W₂) (W₁ + W₂)/W₁ (W₁ + W₂)/W₂ W₁/(W₁ + W₂) W₂/(W₁ + W₂) (W₁ + W₂)/W₁ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For a two stage compressor, if index of compression for higher stage is greater than index of compression for lower stage, then the optimum pressure as compared to ideal case will Remain unaffected Decrease Increase Other factors control it Remain unaffected Decrease Increase Other factors control it ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of outlet whirl velocity to blade velocity in case of centrifugal compressor is called None of these Velocity coefficient Slip factor Velocity factor None of these Velocity coefficient Slip factor Velocity factor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines To avoid moisture troubles, the compressed air main line should Rise gradually towards the point of use Be laid vertically Be laid exactly horizontally Drop gradually towards the point of use Rise gradually towards the point of use Be laid vertically Be laid exactly horizontally Drop gradually towards the point of use ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency of jet engine is Same at all altitudes Higher at high speed Higher at high altitudes Lower at low speed Same at all altitudes Higher at high speed Higher at high altitudes Lower at low speed ANSWER DOWNLOAD EXAMIANS APP
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