Power Systems When a transformer is loaded, the secondary terminal voltage gains. That means power factor is zero. lagging. unity. leading. zero. lagging. unity. leading. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power transmission lines are transposed to reduce radio interference skin effect ferranti effect proximity effect radio interference skin effect ferranti effect proximity effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems Breaking current is a ------------------ value? RMS average any of the above maximum RMS average any of the above maximum ANSWER DOWNLOAD EXAMIANS APP
Power Systems A pin type insulator has 100 kV puncture voltage. If 10 kV flash over voltage occurred in a transmission line, then find the safety factor of insulator? 10 0.1 0.001 1000 10 0.1 0.001 1000 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Calorific value of solid fuel is expressed as Cal / gm. Cal / lt. KCal / gm. KCal / lt. Cal / gm. Cal / lt. KCal / gm. KCal / lt. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 60-70% 30-40% 45-55% 20-25% 60-70% 30-40% 45-55% 20-25% ANSWER DOWNLOAD EXAMIANS APP