Switch Gear Arc in a circuit breaker behaves as a capacitive reactance an inductive reactance a resistance decreasing with voltage rise across the arc a resistance increasing with voltage rise across the arc a capacitive reactance an inductive reactance a resistance decreasing with voltage rise across the arc a resistance increasing with voltage rise across the arc ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The current rating of a fuse is 5A. The fusing current will be 1 A 5 A more than 5A 2.5 A 1 A 5 A more than 5A 2.5 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating coil is supplied through power transformer None of these fuse current transformer power transformer None of these fuse current transformer ANSWER DOWNLOAD EXAMIANS APP
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 A circuit breaker is rated as 1500 A, 1000 MVA, 33 kv, 3-second , 3- phase oil circuit breaker. The rated normal current is None of these 750 A 1500 A 1500/√3 A None of these 750 A 1500 A 1500/√3 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is used in liquid fuses ? carbon tetrachloride transformer oil sulphur hexafluoride distilled water carbon tetrachloride transformer oil sulphur hexafluoride distilled water ANSWER DOWNLOAD EXAMIANS APP
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