ISRO Mechanical & Aerospace 2008 - Question 6

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Topic: Manufacturing

A cold chisel is made of

  • A. Mild steel
  • B. Cast iron
  • C. H.S.S.
  • D. High carbon

Answer: D. High carbon

Explanation: A good cold chisel typically uses a combination of carbon and steel to forge its sharp edge. They are made of high carbon steel and designed to be irresistible to force, making them perfect for use with hard material.

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