Compressors, Gas Turbines and Jet Engines The stagnation pressure rise in a centrifugal compressor takes place 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 In the diffuser only ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The output of a gas turbine is 300 KW and its efficiency is 20 percent, the heat supplied is 15 KW 600 KW 150 KW 6000 KW 15 KW 600 KW 150 KW 6000 KW ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure ratio for an open cycle gas turbine compared to closed cycle gas turbine of same h.p. is Low/high depending on make and type Low Same High Low/high depending on make and type Low Same High ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a jet engine, the air-fuel ratio is 2.5006944444444 1.6673611111111 2.0840277777778 1.2506944444444 2.5006944444444 1.6673611111111 2.0840277777778 1.2506944444444 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single stage, single acting reciprocating air compressor without clearance volume, the work-done is maximum during Isothermal compression Polytropic compression Isentropic compression None of these Isothermal compression Polytropic compression Isentropic compression None of these ANSWER DOWNLOAD EXAMIANS APP
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