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Q: How much is the specified average minimum flexural strength of Class 3 flooring tile, according to IS 1478:1992? IS 1478:1992 के अनुसार वर्ग -3 टाइल्स की निर्दिष्ट औसत न्यूनतम आनमन सामर्थ्य कितनी है?
  • A. 2.5 N/mm width
  • B. 3 N/mm width
  • C. 3.5 N/mm width
  • D. 6 N/mm width
Correct Answer: Option A -
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Explanations:

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