Power Systems Critical disruptive voltage is a voltage at which both 1 and 2 corona is visible with blue or violet colour corona is just initiated nether 1 nor 2 both 1 and 2 corona is visible with blue or violet colour corona is just initiated nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following transformer is used in sub station for operating a protective relay? All of these capacitor voltage transformer auto transformer distribution transformer All of these capacitor voltage transformer auto transformer distribution transformer ANSWER DOWNLOAD EXAMIANS APP
Power Systems The daily energy produced in thermal power station is 720 MWh at a load factor of 0.6. What is the maximum demand of the station? 50 MW 720 MW 72 MW 30 MW 50 MW 720 MW 72 MW 30 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the methods of improving transient stability? Fast acting excitation control Dynamic breaking All of these Fast acting governing system Fast acting excitation control Dynamic breaking All of these Fast acting governing system ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum efficiency of modern coal fired steam raising thermal power plants is restricted to about 035 (a low value), mainly because of high energy loss from turbine exhaust to condenser. low steam turbine mechanical efficiency. low alternative efficiency. high energy loss in boiler. high energy loss from turbine exhaust to condenser. low steam turbine mechanical efficiency. low alternative efficiency. high energy loss in boiler. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Suspension type insulators are used for voltage beyond 11 kV 440 V 33 kV 230 V 11 kV 440 V 33 kV 230 V ANSWER DOWNLOAD EXAMIANS APP
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