ISRO Mechanical & Aerospace 2008 - Question 30

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Topic: Manufacturing

For achieving a specific surface finish in single point turning the most important factor to be controlled is

  • A. Depth of cut
  • B. Cutting speed
  • C. Feed
  • D. Tool rake angle

Answer: C. Feed

Explanation: Specific surface finish H = f² / (8*R), where f = feed rate and R = Nose radius of cutting tool. Hence, feed is the most important factor to be controlled.

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