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The diameter of a steel rod is given as 56.47 +- 0.02mm. What does it mean?

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  • The diameter of a steel rod is given as 56.47 +- 0.02mm. What does it mean?


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SWARNIM | 16/12 2015 16:39
It means that the rod is 56.47, but can deviate as much as .02mm from that initial measurement. Usually due to heat expansion and compression.
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