AE-JE Foundation EE : Estimation & Costing Quiz - 3

What is the amount of charcoal and salt needed for GI pipe earthing?

The earth pit should not be located near

The ground wire is used to:

The minimum size of a copper strip to be used as an earth electrode must be:

Which of the following is NOT a method of Earthing?

___________ earthing is used for better safety, by providing two separate earth wires, from two separate earth electrodes, connected to same metallic body of the equipment at two different points.

In plate earthing, the plate electrode is made of galvanized iron or steel and the size of the plate electrode should be

The class of insulation employed large rating high voltage alternators is____?

Which part of the tower is buried in the ground?

Which of the following principle is employed for the street lighting for the figure shown below: