Switch Gear To limit short-circuit current in a power system are used isolators earth wires H.R. fuses reactors isolators earth wires H.R. fuses reactors ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse should have high conductivity low melting point All of these low cost high conductivity low melting point All of these low cost ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rating of a circuit breaker is generally determined on the basis of double line to ground fault current line to line fault current single line to ground fault current symmetrical fault current double line to ground fault current line to line fault current single line to ground fault current symmetrical fault current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Interruption of large currents by relay requires all of these high speed opening of contacts wide separation of the opened contacts arc suppressing blow out coils all of these high speed opening of contacts wide separation of the opened contacts arc suppressing blow out coils ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse element is generally made of silver brass steel iron silver brass steel iron ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF6 gas None of these is lighter than air is nontoxic has pungent small is yellow in colour None of these is lighter than air is nontoxic has pungent small is yellow in colour ANSWER DOWNLOAD EXAMIANS APP