Switch Gear The operating time of a fuse is about 1 sec 0.002 sec 1.5 sec 0.8 sec 1 sec 0.002 sec 1.5 sec 0.8 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Most of the relays on service on electric power system are None of these thermal relays electro-mechanical relays electronic relays None of these thermal relays electro-mechanical relays electronic relays ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The material used for fuse must have low melting point and high specific resistance Low melting point and low specific resistance high melting point and low specific resistance low melting point and any specific resistance low melting point and high specific resistance Low melting point and low specific resistance high melting point and low specific resistance low melting point and any specific resistance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF6 gas None of these is lighter than air is yellow in colour is nontoxic has pungent small None of these is lighter than air is yellow in colour is nontoxic has pungent small ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The information to the circuit breaker under fault conditions is provided by All of these H.R.'only relay rewirable fuse All of these H.R.'only relay rewirable fuse ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In a single bus-bar system there will be complete shut down when two or more faults occur simultaneously fault occurs on the bus itself fault occurs on neutral line fault occurs with respect to earthing two or more faults occur simultaneously fault occurs on the bus itself fault occurs on neutral line fault occurs with respect to earthing ANSWER DOWNLOAD EXAMIANS APP