Power Systems The pickup value of relay is 6.5 Amp and fault current in relay coil is 39 Amp. Its plug setting multiplier is 6 A. 8 A. 10 A. 7 A. 6 A. 8 A. 10 A. 7 A. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where the voltage is high and current to be interrupted is low, Which of following the breaker is preferable? Any of these. Vacuum CB. Air blast CB. Oil CB. Any of these. Vacuum CB. Air blast CB. Oil CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Out of the following plant categories which is not the base load power plant? Nuclear. Pump storage. Diesel. Run of river. Nuclear. Pump storage. Diesel. Run of river. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the number of insulator discs required in string insulator, if operating voltage is 220 kV and maximum voltage of each disc is 11 kV? 10 21 20 13 10 21 20 13 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 1000 0.001 0.1 10 1000 0.001 0.1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays are used in protection of medium transmission lines? Mho relays Admittance relays any of the above Impedance relays Mho relays Admittance relays any of the above Impedance relays ANSWER DOWNLOAD EXAMIANS APP