Switch Gear To limit short-circuit current in a power system are used isolators reactors earth wires H.R. fuses isolators reactors earth wires H.R. fuses ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Distance relays are generally impedance relays reactance relays split-phase relays none of these impedance relays reactance relays split-phase relays none of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When a fault occur in a power system, the circuit breaker None of these opens automatically is opened by remote control is opened manually None of these opens automatically is opened by remote control is opened manually ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following circuit breakers is prefered for EHT applications ? Sf6 CB air break circuit breaker low oil circuit breaker bulk oil circuit breaker Sf6 CB air break circuit breaker low oil circuit breaker bulk oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear protection of fuses is generally not used beyond 100 A 50 A 20 A 200 A 100 A 50 A 20 A 200 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF 6 gas is lighter than air Is nontoxic has pungent small is yellow in colour is lighter than air Is nontoxic has pungent small is yellow in colour ANSWER DOWNLOAD EXAMIANS APP
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