Switch Gear To limit short-circuit current in a power system are used isolators earth wires reactors H.R. fuses isolators earth wires reactors H.R. fuses ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For the protection of power station buildings against direct strokes the requirements are interception, conduction and dissipation None of these interception, conduction, dissipation and reflection interception interception and conduction interception, conduction and dissipation None of these interception, conduction, dissipation and reflection interception interception and conduction ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is used in liquid fuses ? carbon tetrachloride transformer oil distilled water sulphur hexafluoride carbon tetrachloride transformer oil distilled water sulphur hexafluoride ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating speed depends upon armature core air gap All of these the rate of flux built up the spring tension armature core air gap All of these the rate of flux built up the spring tension ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker is a current limiting device current controlling device None of these circuit interrupting device current limiting device current controlling device None of these circuit interrupting device ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The normal current in a power line is 100 A. If a short-circuit fault occurs on the line, then one can expect the short-circuit current to be 200 A more than 1000 A 100 A 300 A 200 A more than 1000 A 100 A 300 A ANSWER DOWNLOAD EXAMIANS APP
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