Compressors, Gas Turbines and Jet Engines The efficiency of jet engine is Lower at low speed Higher at high speed Higher at high altitudes Same at all altitudes Lower at low speed Higher at high speed Higher at high altitudes Same at all altitudes ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The air-fuel ratio in gas turbines is of the order of 50: 1. 7: 1 15: 1 30: 1 50: 1. 7: 1 15: 1 30: 1 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A compressor at high altitude will draw Less power More power Same power More/less power depending on other factors Less power More power Same power More/less power depending on other factors ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The stagnation pressure rise in a centrifugal compressor takes place In the diffuser only In the impeller only In the diffuser and impeller In the inlet guide vanes only In the diffuser only In the impeller only In the diffuser and impeller In the inlet guide vanes only ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In the cross compounding of the gas turbine plant H.P. compressor is connected to H.P. turbine and L.P. compressor to L.P. turbine Both the arrangements can be employed All are connected in series H.P. compressor is connected to L.P. turbine and L.P. compressor is connected to H.P. turbine H.P. compressor is connected to H.P. turbine and L.P. compressor to L.P. turbine Both the arrangements can be employed All are connected in series H.P. compressor is connected to L.P. turbine and L.P. compressor is connected to H.P. turbine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The axial flow compressor is preferred in aircraft gas turbines because of Higher thrust High pressure rise Low frontal area None of the listed here Higher thrust High pressure rise Low frontal area None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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