Multiple choice general knowledge science & technology

Mandrels are used to hold

  1. drill bits

  2. face plate

  3. cutting tools

  4. hollow work pieces
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Mandrels are cylindrical tools used to hold hollow workpieces during machining operations like turning, grinding, or drilling. They provide internal support to prevent deformation of thin-walled or hollow pieces.

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