Switch Gear Overheating of relay contacts or contact born out is due to too low contact pressure foreign matter on the contact surface all of these slow making and breaking of load circuit contacts too low contact pressure foreign matter on the contact surface all of these slow making and breaking of load circuit contacts ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A switchgear is device used for switching an electrical circuit 111 interrupting an electrical circuit switching, controlling and protecting the electrical circuit and equipment switching and controlling an electrical circuit switching an electrical circuit 111 interrupting an electrical circuit switching, controlling and protecting the electrical circuit and equipment switching and controlling an electrical circuit ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse performs circuit interruption function only None of these both detection and interruption functions detection function only circuit interruption function only None of these both detection and interruption functions detection function only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In a single bus-bar system there will be complete shut down when fault occurs on the bus itself fault occurs on neutral line two or more faults occur simultaneously fault occurs with respect to earthing fault occurs on the bus itself fault occurs on neutral line two or more faults occur simultaneously fault occurs with respect to earthing ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating speed depends upon the rate of flux built up the spring tension All of these armature core air gap the rate of flux built up the spring tension All of these armature core air gap ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To reduce short circuit fault currents......... are used. resistors capacitors reactors None of these resistors capacitors reactors None of these ANSWER DOWNLOAD EXAMIANS APP
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