Multiple choice

Which of the following is a ferrous metal?

  1. Al

  2. Cu

  3. Cast Iron

  4. Pb
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Its composition is: Re-melted pig iron with small amounts of scrap steel. It is hard, brittle, strong, cheap and self-lubricating. It is used for making, car cylinder blocks, vices, machine tool parts, brake drums, machine handle and gear wheels and plumbing fitments.

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