Q. Which of the following represents the quality of straightness in precision engineering?

  • (A) spirit level
  • (B) straight edge
  • (C) autocollimator
  • (D) dial indicator
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✅ Correct Answer: (B) straight edge
Explanation: at many places, it is necessary that the surface must be straight e.g. in lathe machine it is required that the tool must move in straight path. straight line is the basis of most methods of measurements.

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

Explanation by: Mr. Dubey
at many places, it is necessary that the surface must be straight e.g. in lathe machine it is required that the tool must move in straight path. straight line is the basis of most methods of measurements.

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