Switch Gear An overcurrent relay having current settling of 125% is connected to a supply circuit through a current transformer of 400/5 A. The pick-up current is 6.25 A 3.125 A 12.5 A 25 A 6.25 A 3.125 A 12.5 A 25 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear protection of fuses is generally not used beyond 100 A 20 A 50 A 200 A 100 A 20 A 50 A 200 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear HRC fuses provide best protection against open circuits reverse current overload short circuits open circuits reverse current overload short circuits ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse should have low melting point All of these high conductivity low cost low melting point All of these high conductivity low cost ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rate of rise of restriking voltage depends on the capacitance of the system only both inductance and capacitance of the system the type of circuit breaker the inductance of the system only the capacitance of the system only both inductance and capacitance of the system the type of circuit breaker the inductance of the system only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Wave trap is used to trap waves of power frequencies higher frequencies entering generator or transformer units either of the above None of these power frequencies higher frequencies entering generator or transformer units either of the above None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS