Earth wire or ground wire is made of
A. copper
B. aluminium
C. iron
D. galvanized steel
Answer: Option D
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Related Questions on Earthing or Grounding
A. Increases
B. Decreases
C. Remains unaffected
D. none of the above
Moisture content in the soil _______ the earth soil resistance
A. increase
B. decrease
C. does not affect
D. none of the above
Generally grounding is provided for
A. only for the safety of the equipment
B. only for the safety of the operating personnel
C. both (A) and (B)
D. none of the above
Ground resistance should be designed such that
A. grounding resistance should be as low as possible
B. grounding resistance should be as high as possible
C. grounding resistance should be always zero
D. none of the above
I think earth wire is always copper and earth pipe is galvanised iron
Earh plate is also copper plate
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