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  • Mechanical Engg. (GATE) 2009
  • In a machining experiment, tool life was found to vary wi...
Multiple choice

In a machining experiment, tool life was found to vary with the cutting speed in the following manner:

What is the percentage increase in tool life when the cutting speed is halved?

  1. 50%

  2. 200%

  3. 300%

  4. 400%

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

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