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Q: As per IS 1492, tolerance for length of 30 m metric chain is tested at what temperature and weight?
  • A. 25⁰C and 8 kg
  • B. 20⁰C and 5 kg
  • C. 25⁰C and 5 kg
  • D. 20⁰C and 8 kg
Correct Answer: Option D -
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Explanations:

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