Switch Gear HRC fuses provide best protection against reverse current overload open circuits short circuits reverse current overload open circuits short circuits ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker is interrupted at maximum current zero current minimum voltage maximum voltage maximum current zero current minimum voltage maximum voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of opening the faulty circuit and breaking the fault current All of these being closed on to a fault carrying fault current for a short time opening the faulty circuit and breaking the fault current All of these being closed on to a fault carrying fault current for a short time ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called recovery voltage operating voltage surge voltage arc voltage recovery voltage operating voltage surge voltage arc voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? isolator oil circuit breaker rewireable fuse air break circuit breaker isolator oil circuit breaker rewireable fuse air break circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Admittance relay is non-directional relay directional relay None of these impedance relay non-directional relay directional relay None of these impedance relay ANSWER DOWNLOAD EXAMIANS APP