Switch Gear An overcurrent relay having current settling of 125% is connected to a supply circuit through a current transformer of 400/5 A. The pick-up current is 12.5 A 25 A 6.25 A 3.125 A 12.5 A 25 A 6.25 A 3.125 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To limit short-circuit current in a power system are used H.R. fuses reactors earth wires isolators H.R. fuses reactors earth wires isolators ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF6 gas None of these is nontoxic has pungent small is lighter than air is yellow in colour None of these is nontoxic has pungent small is lighter than air is yellow in colour ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The information to the circuit breaker under fault conditions is provided by H.R.'only All of these rewirable fuse relay H.R.'only All of these rewirable fuse relay ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In a single bus-bar system there will be complete shut down when fault occurs with respect to earthing fault occurs on the bus itself two or more faults occur simultaneously fault occurs on neutral line fault occurs with respect to earthing fault occurs on the bus itself two or more faults occur simultaneously fault occurs on neutral line ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The material used for fuse must have Low melting point and low specific resistance low melting point and any specific resistance low melting point and high specific resistance high melting point and low specific resistance Low melting point and low specific resistance low melting point and any specific resistance low melting point and high specific resistance high melting point and low specific resistance ANSWER DOWNLOAD EXAMIANS APP