A string of
suspension insulators has three discs. If the disc nearest to the conductor
flashes over, then
The remaining
discs will flash over
Only the top
disc will flash over
The remaining
discs will remain intact
The second
disc will flash over
The remaining
discs will remain intact
String efficiency :
If the disc
nearest to the conductor flashes over, then the remaining discs will remain
intact.
Hence, the
correct option is (C).
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