Switch Gear A fuse is never inserted in neutral wire phase line negative of dc circuit positive of dc circuit neutral wire phase line negative of dc circuit positive of dc circuit ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Overheating of relay contacts or contact born out is due to all of these too low contact pressure slow making and breaking of load circuit contacts foreign matter on the contact surface all of these too low contact pressure slow making and breaking of load circuit contacts foreign matter on the contact surface ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse in a motor circuit provides protection against open circuit, short-circuit and overload short-circuit and overload None of these overload open circuit, short-circuit and overload short-circuit and overload None of these overload ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a circuit breaker is 0.001 sec 0.05 sec 0.002 sec 0.2 sec 0.001 sec 0.05 sec 0.002 sec 0.2 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called recovery voltage arc voltage operating voltage surge voltage recovery voltage arc voltage operating voltage surge voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An efficient and a well designed protective relaying should have good selectivity and reliability All of these high speed and selectivity economy and simplicity good selectivity and reliability All of these high speed and selectivity economy and simplicity ANSWER DOWNLOAD EXAMIANS APP
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