Switch Gear A circuit breaker must perform the duty of opening the faulty circuit and breaking the fault current All of these being closed on to a fault carrying fault current for a short time opening the faulty circuit and breaking the fault current All of these being closed on to a fault carrying fault current for a short time ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Insulation resistance of high voltage circuit breakers is more than 500 mega ohms 1 mega ohms 100 mega ohms 10 mega ohms 500 mega ohms 1 mega ohms 100 mega ohms 10 mega ohms ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Minimum arcing voltage will be least in case of silver graphite tungsten carbon silver graphite tungsten carbon ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rated secondary current of current transformer for relays is generally 30 A 20 A 10 A 5 A 30 A 20 A 10 A 5 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The normal current in a power line is 100 A. If a short-circuit fault occurs on the line, then one can expect the short-circuit current to be 200 A 300 A 100 A more than 1000 A 200 A 300 A 100 A more than 1000 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Breaking capacity of a circuit breaker is usually expressed in terms of Mw MVA amperes volts Mw MVA amperes volts ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS