Compressors, Gas Turbines and Jet Engines In gas turbines, high thermal efficiency is obtained in Closed cycle & Open cycle Closed cycle Closed/open depending on other considerations Open cycle Closed cycle & Open cycle Closed cycle Closed/open depending on other considerations Open cycle ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The work ratio of a gas turbine plant is defined as the ratio of Net work output and heat supplied Net work output and isentropic heat drop Actual heat drop and isentropic heat drop Net work output and work done by turbine Net work output and heat supplied Net work output and isentropic heat drop Actual heat drop and isentropic heat drop Net work output and work done by turbine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Phenomenon of choking in compressor means Increased inclination of chord with air steam No flow of air Fixed mass flow rate regardless of pressure ratio Reducing mass flow rate with increase in pressure ratio Increased inclination of chord with air steam No flow of air Fixed mass flow rate regardless of pressure ratio Reducing mass flow rate with increase in pressure ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The criterion of the thermodynamic efficiency for rotary compressor is Polytropic compression Isothermal compression Isentropic compression None of the listed here Polytropic compression Isothermal compression Isentropic compression None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Adiabatic compression is one in which No heat leaves or enters the compressor cylinder during compression Temperature during compression remains constant Work done is maximum Temperature rise follows a linear relationship No heat leaves or enters the compressor cylinder during compression Temperature during compression remains constant Work done is maximum Temperature rise follows a linear relationship ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines As the turbine inlet temperature increases, the thermal efficiency of gas turbine for the optimum pressure ratio Decreases Increases First increases and then decreases Remain same Decreases Increases First increases and then decreases Remain same ANSWER DOWNLOAD EXAMIANS APP
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