Compressors, Gas Turbines and Jet Engines High air-fuel ratio is used in gas turbines To save fuel To reduce the exit temperature To increase the efficiency To increase the output To save fuel To reduce the exit temperature To increase the efficiency To increase the output ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If p₁ is the pressure of air entering the L.P, cylinder and p₃ is the pressure of air leaving the H.P. cylinder, then the ratio of cylinder diameters for a single acting, two stage reciprocating compressor with complete intercooling is given by D₁/D₂ = (p₁ p₃)1/4 D₁/D₂ = (p₁/p₃)1/4 D₁/D₂ = (p₃/p₁)1/4 D₁/D₂ = (p₁ p₃)1/2 D₁/D₂ = (p₁ p₃)1/4 D₁/D₂ = (p₁/p₃)1/4 D₁/D₂ = (p₃/p₁)1/4 D₁/D₂ = (p₁ p₃)1/2 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the net work obtained from the gas turbine plant to the turbine work is known as Work ratio Pressure ratio Compression ratio None of these Work ratio Pressure ratio Compression ratio None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Intercooling in gas turbines Increases net output and thermal efficiency both Increases net output but decreases thermal efficiency Decreases net output and thermal efficiency both Decreases net output but increases thermal efficiency Increases net output and thermal efficiency both Increases net output but decreases thermal efficiency Decreases net output and thermal efficiency both Decreases net output but increases thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The working fluid in a turbine is In a single phase In three phases In the form of air and water mixture In two phases In a single phase In three phases In the form of air and water mixture In two phases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Choose the correct statement Gas turbines has flat efficiency at part loads Gas turbines have high standby losses and require lot of maintenance Gas turbine is capable of rapid start up and loading Gas turbine requires lot of cooling water Gas turbines has flat efficiency at part loads Gas turbines have high standby losses and require lot of maintenance Gas turbine is capable of rapid start up and loading Gas turbine requires lot of cooling water ANSWER DOWNLOAD EXAMIANS APP
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