Switch Gear In a single bus-bar system there will be complete shut down when fault occurs with respect to earthing fault occurs on neutral line two or more faults occur simultaneously fault occurs on the bus itself fault occurs with respect to earthing fault occurs on neutral line two or more faults occur simultaneously fault occurs on the bus itself ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called surge voltage arc voltage recovery voltage operating voltage surge voltage arc voltage recovery voltage operating voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse should have low melting point low cost high conductivity All of these low melting point low cost high conductivity All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A short-circuit is identified by no current flow heavy current flow voltage rise voltage drop no current flow heavy current flow voltage rise voltage drop ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse element is generally made of steel brass iron silver steel brass iron silver ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Back up protection is generally used for protection against short-circuit faults only open-circuit faults only both open and short-circuit faults None of these short-circuit faults only open-circuit faults only both open and short-circuit faults None of these ANSWER DOWNLOAD EXAMIANS APP
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