Q. Which of the following is not the factor affecting the accuracy of straightness measurement by optics?

  • (A) air turbulence
  • (B) optics fixed rigidly
  • (C) slope error
  • (D) localised heat sources
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✅ Correct Answer: (B) optics fixed rigidly
Explanation: factors affecting the accuracy of straightness measurement by optics are air turbulence, mechanical vibrations, optic errors, slope errors, optics not fixed in the correct position, optics not fixed rigidly, localised heat sources etc.

Published by Mr. Dubey ⭐ 111.54K Points at 21-Sep-2023 06:50 pm in Metrology and Measurements

Explanation by: Mr. Dubey
factors affecting the accuracy of straightness measurement by optics are air turbulence, mechanical vibrations, optic errors, slope errors, optics not fixed in the correct position, optics not fixed rigidly, localised heat sources etc.

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