Switch Gear Insulation resistance of high voltage circuit breakers is more than 100 mega ohms 500 mega ohms 10 mega ohms 1 mega ohms 100 mega ohms 500 mega ohms 10 mega ohms 1 mega ohms ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of carrying fault current for a short time All of these opening the faulty circuit and breaking the fault current being closed on to a fault carrying fault current for a short time All of these opening the faulty circuit and breaking the fault current being closed on to a fault ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Minimum arcing voltage will be least in case of carbon silver graphite tungsten carbon silver graphite tungsten ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fault that imposes severest duty on the circuit breaker is two lines to ground fault line to ground fault all three lines short-circuited line to line fault two lines to ground fault line to ground fault all three lines short-circuited line to line fault ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The advantage of HRC fuse is that it has high speed of operation is quite cheap does not deteriorate with age All of these has high speed of operation is quite cheap does not deteriorate with age All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To limit short-circuit current in a power system are used isolators earth wires reactors H.R. fuses isolators earth wires reactors H.R. fuses ANSWER DOWNLOAD EXAMIANS APP
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