Switch Gear With which of the following, a circuit breaker must be equipped for remote operation ? shunt trip None of these inverse time trip time-delay trip shunt trip None of these inverse time trip time-delay trip ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called supply voltage peak voltage recovery voltage restriking voltage supply voltage peak voltage recovery voltage restriking voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker is rated as 1500 A, 1000 MVA, 33 kv, 3-second , 3- phase oil circuit breaker. The rated normal current is 750 A None of these 1500/√3 A 1500 A 750 A None of these 1500/√3 A 1500 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When a fault occur in a power system, the circuit breaker is opened by remote control is opened manually None of these opens automatically is opened by remote control is opened manually None of these opens automatically ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To limit short-circuit current in a power system are used earth wires H.R. fuses isolators reactors earth wires H.R. fuses isolators reactors ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called recovery voltage arc voltage operating voltage surge voltage recovery voltage arc voltage operating voltage surge voltage ANSWER DOWNLOAD EXAMIANS APP
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