Compressors, Gas Turbines and Jet Engines The compression ratio in a gas turbine is of the order of 3.5 : 1 0.50069444444444 0.20902777777778 0.33402777777778 3.5 : 1 0.50069444444444 0.20902777777778 0.33402777777778 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of a compressor without clearance volume Increases with increase in compression ratio May increase/decrease depending on compressor capacity Decreases with increase in compression ratio Is not dependent upon compression ratio Increases with increase in compression ratio May increase/decrease depending on compressor capacity Decreases with increase in compression ratio Is not dependent upon compression ratio 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 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 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 An ideal air compressor cycle with clearance on P-V diagram can be represented by following processes One adiabatic, one isobaric and two constant volumes One adiabatic, two isobaric, and one constant volume Two adiabatic and two isobaric Two adiabatic, one isobaric and one constant volume One adiabatic, one isobaric and two constant volumes One adiabatic, two isobaric, and one constant volume Two adiabatic and two isobaric Two adiabatic, one isobaric and one constant volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbine blades are given a rake Opposite to the direction of motion of blades Equal to zero In the direction of motion of blades Depending on the velocity Opposite to the direction of motion of blades Equal to zero In the direction of motion of blades Depending on the velocity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Adiabatic compression is one in which Work done is maximum No heat leaves or enters the compressor cylinder during compression Temperature rise follows a linear relationship Temperature during compression remains constant Work done is maximum No heat leaves or enters the compressor cylinder during compression Temperature rise follows a linear relationship Temperature during compression remains constant ANSWER DOWNLOAD EXAMIANS APP
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