Switch Gear A fuse should have All of these low melting point high conductivity low cost All of these low melting point high conductivity low cost ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is never inserted in neutral wire phase line positive of dc circuit negative of dc circuit neutral wire phase line positive of dc circuit negative of dc circuit ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? rewireable fuse isolator oil circuit breaker air break circuit breaker rewireable fuse isolator oil circuit breaker air break circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The normal current in a power line is 100 A. If a short-circuit fault occurs on the line, then one can expect the short-circuit current to be 300 A 100 A more than 1000 A 200 A 300 A 100 A more than 1000 A 200 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called recovery voltage arc voltage surge voltage operating voltage recovery voltage arc voltage surge voltage operating voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of carrying fault current for a short time All of these being closed on to a fault opening the faulty circuit and breaking the fault current carrying fault current for a short time All of these being closed on to a fault opening the faulty circuit and breaking the fault current ANSWER DOWNLOAD EXAMIANS APP
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