Question:

What is the approximate difference between minimum and maximum tool wear at 80 rpm?

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To find the difference in tool wear at a specific rpm, look for the maximum and minimum points on the graph at that rpm and subtract the values.
Updated On: Mar 25, 2025
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The Correct Option is D

Solution and Explanation

At 80 rpm, the difference between the maximum and minimum tool wear is approximately 0.4, as observed in the graph.
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