ISRO Mechanical & Aerospace 2020 - Question 54

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What does 'a' and 'e' indicate in the surface texture symbol shown below

  • A. Roughness value, machining allowance
  • B. Production method, roughness value
  • C. Machining allowance, sampling length
  • D. Heat treatment method, sample length

Answer: A. Roughness value, machining allowance

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