Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called peak voltage recovery voltage supply voltage restriking voltage peak voltage recovery voltage supply voltage restriking voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An efficient and a well designed protective relaying should have All of these economy and simplicity high speed and selectivity good selectivity and reliability All of these economy and simplicity high speed and selectivity good selectivity and reliability ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time-current graph of a fuse has inverse characteristic None of these has a linear characteristic is a circle has inverse characteristic None of these has a linear characteristic is a circle ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To limit short-circuit current in a power system are used H.R. fuses earth wires reactors isolators H.R. fuses earth wires reactors isolators ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For interrupting of high voltage and low current, the circuit breaker prefered is all are correct vaccum circuit breaker oil circuit breaker air-blast circuit breaker all are correct vaccum circuit breaker oil circuit breaker air-blast circuit breaker 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 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 ANSWER DOWNLOAD EXAMIANS APP
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