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)/W₁ W₂/(W₁ + W₂) W₁/(W₁ + W₂) (W₁ + W₂)/W₂ (W₁ + W₂)/W₁ W₂/(W₁ + W₂) W₁/(W₁ + W₂) (W₁ + W₂)/W₂ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines High air-fuel ratio in gas turbines Do not damage turbine blades Increases power output Reduces exhaust temperature Improves thermal efficiency Do not damage turbine blades Increases power output Reduces exhaust temperature Improves thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The performance of air compressor at high altitudes will be ________ as compared to that at sea level. None of these Higher Lower Same None of these Higher Lower Same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The clearance volume of the air compressor is kept minimum because It permits isothermal compression It results in minimum work It greatly affects volumetric efficiency It allows maximum compression to be achieved It permits isothermal compression It results in minimum work It greatly affects volumetric efficiency It allows maximum compression to be achieved ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A rotary compressor is driven by an Either (A) or (B) Engine None of these Electric motor Either (A) or (B) Engine None of these Electric motor 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
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