Power Systems Proximity effect is more in case of same in both cases None of these over head lines power cables same in both cases None of these over head lines power cables ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical visual voltage is the voltage at which corona is visible with blue or violet colour corona is just initiated None of these both 1 and 2 corona is visible with blue or violet colour corona is just initiated None of these both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 20-25% 60-70% 45-55% 30-40% 20-25% 60-70% 45-55% 30-40% ANSWER DOWNLOAD EXAMIANS APP
Power Systems An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 400/5. The pick up value is 6.25 A 10 A 15 A 12.5 A 6.25 A 10 A 15 A 12.5 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems In coal fired thermal power stations, what are the electrostatic precipitators used for? All of these To remove dust particles setting on the bus bar conductors in the station switch yard To collect the dust particles from the flue gases To keep the air heaters clean All of these To remove dust particles setting on the bus bar conductors in the station switch yard To collect the dust particles from the flue gases To keep the air heaters clean ANSWER DOWNLOAD EXAMIANS APP
Power Systems Counter poise is used for reduce losses proper discharging of lighting surges more surge impedance less surge impedance reduce losses proper discharging of lighting surges more surge impedance less surge impedance ANSWER DOWNLOAD EXAMIANS APP
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