Switch Gear The rated secondary current of current transformer for relays is generally 30 A 5 A 20 A 10 A 30 A 5 A 20 A 10 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of opening the faulty circuit and breaking the fault current carrying fault current for a short time All of these being closed on to a fault opening the faulty circuit and breaking the fault current carrying fault current for a short time All of these being closed on to a fault ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse wire, in D.C. circuits, is inserted in negative circuit only Both of the listed here none of the listed here positive circuit only negative circuit only Both of the listed here none of the listed here positive circuit only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker behaves as a resistance decreasing with voltage rise across the arc an inductive reactance a capacitive reactance a resistance increasing with voltage rise across the arc a resistance decreasing with voltage rise across the arc an inductive reactance a capacitive reactance a resistance increasing with voltage rise across the arc ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To limit short-circuit current in a power system are used isolators reactors H.R. fuses earth wires isolators reactors H.R. fuses earth wires ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is never inserted in negative of dc circuit positive of dc circuit neutral wire phase line negative of dc circuit positive of dc circuit neutral wire phase line ANSWER DOWNLOAD EXAMIANS APP
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