Switch Gear A fuse in a motor circuit provides protection against open circuit, short-circuit and overload None of these overload short-circuit and overload open circuit, short-circuit and overload None of these overload short-circuit and overload ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called operating voltage surge voltage recovery voltage arc voltage operating voltage surge voltage recovery voltage arc voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fusing factor is always 1 None of these always less than 1 always more than 1 always 1 None of these always less than 1 always more than 1 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time-current graph of a fuse has inverse characteristic None of these has a linear characteristic is a circle has inverse characteristic None of these has a linear characteristic is a circle 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 with respect to earthing two or more faults occur simultaneously fault occurs on neutral line fault occurs on the bus itself fault occurs with respect to earthing two or more faults occur simultaneously fault occurs on neutral line ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Insulation resistance of high voltage circuit breakers is more than 10 mega ohms 500 mega ohms 100 mega ohms 1 mega ohms 10 mega ohms 500 mega ohms 100 mega ohms 1 mega ohms ANSWER DOWNLOAD EXAMIANS APP