Answer / manish naha

1.GI strips get corroded at the welded joints more rapidly.
2. Gi. Strips under ground tend to erode MS base due to electrolytic action.

Answer / k.prakashchandra

Ms rod are flat are buried in the earth and they do not
rust.GI is costlier than MS.

why T/F winding temp measurement cts are odd secondary current ie,109A/1.2A/1.4A?

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