Switch Gear Minimum arcing voltage will be least in case of graphite silver tungsten carbon graphite silver tungsten carbon ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Insulation resistance of high voltage circuit breakers is more than 1 mega ohms 10 mega ohms 100 mega ohms 500 mega ohms 1 mega ohms 10 mega ohms 100 mega ohms 500 mega ohms ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time of closing the cycle, in modern circuit breakers is 0.001 sec 0.01 sec 0.003 sec 0.10 sec 0.001 sec 0.01 sec 0.003 sec 0.10 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fault that imposes severest duty on the circuit breaker is all three lines short-circuited two lines to ground fault line to ground fault line to line fault all three lines short-circuited two lines to ground fault line to ground fault line to line fault ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rating of a circuit breaker is generally determined on the basis of line to line fault current symmetrical fault current single line to ground fault current double line to ground fault current line to line fault current symmetrical fault current single line to ground fault current double line to ground fault current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The short circuit in any winding of the transformer is the result of impulse voltage loose connection mechanical vibration insulation failure impulse voltage loose connection mechanical vibration insulation failure ANSWER DOWNLOAD EXAMIANS APP