Switch Gear Breaking capacity of a circuit breaker is usually expressed in terms of Mw volts amperes MVA Mw volts amperes MVA ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called supply voltage restriking voltage recovery voltage peak voltage supply voltage restriking voltage recovery voltage peak voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In a single bus-bar system there will be complete shut down when fault occurs with respect to earthing fault occurs on the bus itself fault occurs on neutral line two or more faults occur simultaneously fault occurs with respect to earthing fault occurs on the bus itself fault occurs on neutral line two or more faults occur simultaneously ANSWER DOWNLOAD EXAMIANS APP
Switch Gear protection of fuses is generally not used beyond 100 A 50 A 200 A 20 A 100 A 50 A 200 A 20 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is a protective device current controlling device None of these current limiting device protective device current controlling device None of these current limiting device ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of carrying fault current for a short time opening the faulty circuit and breaking the fault current being closed on to a fault All of these carrying fault current for a short time opening the faulty circuit and breaking the fault current being closed on to a fault All of these ANSWER DOWNLOAD EXAMIANS APP