Switch Gear The operating time of a circuit breaker is 0.2 sec 0.002 sec 0.001 sec 0.05 sec 0.2 sec 0.002 sec 0.001 sec 0.05 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A short-circuit is identified by voltage rise heavy current flow voltage drop no current flow voltage rise heavy current flow voltage drop no current flow ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Breaking capacity of a circuit breaker is usually expressed in terms of volts MVA amperes Mw volts MVA amperes Mw 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 two or more faults occur simultaneously fault occurs on neutral line fault occurs with respect to earthing fault occurs on the bus itself two or more faults occur simultaneously fault occurs on neutral line fault occurs with respect to earthing ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To limit short-circuit current in a power system are used earth wires reactors isolators H.R. fuses earth wires reactors isolators H.R. fuses ANSWER DOWNLOAD EXAMIANS APP
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
EXAMIANS