Multiple choice general knowledge science & technology

The bed of a machine tool is normally made of

  1. C.I.

  2. Medium Carbon steel

  3. Alloy steel

  4. Mild steel
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A Correct answer
Explanation

The bed of a machine tool is typically made of Cast Iron (C.I.) because of its excellent vibration damping properties, high compressive strength, and ability to provide a rigid base. Mild steel, medium carbon steel, and alloy steel lack the vibration damping characteristics needed for precision machining.

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