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 100 A more than 1000 A 200 A 300 A 100 A more than 1000 A 200 A 300 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A three phase circuit breaker is rated at 2000 MVA, 33 kv. The symmetrical breaking current is 80 kA 35 kA 60 kA 20 kA 80 kA 35 kA 60 kA 20 kA ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse should have low melting point high conductivity low cost All of these low melting point high conductivity low cost All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To limit short-circuit current in a power system are used earth wires reactors H.R. fuses isolators earth wires reactors H.R. fuses isolators ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is used in liquid fuses ? sulphur hexafluoride transformer oil distilled water carbon tetrachloride sulphur hexafluoride transformer oil distilled water carbon tetrachloride ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Minimum arcing voltage will be least in case of silver graphite carbon tungsten silver graphite carbon tungsten ANSWER DOWNLOAD EXAMIANS APP
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