Compressors, Gas Turbines and Jet Engines The efficiency of a jet engine is higher at Low altitudes Low speeds High speeds High altitudes Low altitudes Low speeds High speeds High altitudes ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In the cross compounding of the gas turbine plant Both the arrangements can be employed H.P. compressor is connected to L.P. turbine and L.P. compressor is connected to H.P. turbine All are connected in series H.P. compressor is connected to H.P. turbine and L.P. compressor to L.P. turbine Both the arrangements can be employed H.P. compressor is connected to L.P. turbine and L.P. compressor is connected to H.P. turbine All are connected in series H.P. compressor is connected to H.P. turbine and L.P. compressor to L.P. turbine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of work done per cycle to the swept volume in case of compressor is called Mean effective pressure Compression ratio Compression index Compressor efficiency Mean effective pressure Compression ratio Compression index Compressor efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In axial flow compressor, exit flow angle deviation from the blade angle is a function of Blade camber and space-chord ratio Blade camber Space-chord ratio Blade camber and incidence angle Blade camber and space-chord ratio Blade camber Space-chord ratio Blade camber and incidence angle ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If the clearance ratio for a reciprocating air compressor is 'K', then its volumetric efficiency is given by 1 - k + k (p₁/p₂) n- 1/n 1 + k - k (p₂/p₁)1/n 1 - k + k (p₁/p₂)1/n 1 + k - k (p₂/p₁) n-1/n 1 - k + k (p₁/p₂) n- 1/n 1 + k - k (p₂/p₁)1/n 1 - k + k (p₁/p₂)1/n 1 + k - k (p₂/p₁) n-1/n ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines High air-fuel ratio in gas turbines Increases power output Reduces exhaust temperature Improves thermal efficiency Do not damage turbine blades Increases power output Reduces exhaust temperature Improves thermal efficiency Do not damage turbine blades ANSWER DOWNLOAD EXAMIANS APP
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