Physics · Earthing
For the pipe earthing process, which of the following steps is correct to ensure proper installation and long service life?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Burying a cast iron pipe vertically in the ground without any filling
- 2Using only dry soil to fill the pit around the pipe to avoid corrosion
- 3Laying a copper strip horizontally just below the surface of the soil without any treatment
- 4Placing a GI pipe of about 2–3 m length in a pit, surrounded by alternate layers of charcoal and salt, and watering it periodically✓
Correct answer
Placing a GI pipe of about 2–3 m length in a pit, surrounded by alternate layers of charcoal and salt, and watering it periodically
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