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Q: How is metric chain composed?
  • A. Brass wire of 4 mm dia
  • B. Copper wire of 4 mm dia
  • C. Mild steel wire of 4 mm dia
  • D. Aluminium wire of 4 mm dia
Correct Answer: Option C - See the above explanation.
C. See the above explanation.

Explanations:

See the above explanation.