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Q: The concrete slump recommended for foundation is/नींव के लिए संस्तुति कंक्रीट स्लम्प है-
  • A. 20 to 50 mm
  • B. 50 to 100 mm
  • C. 30 to 125 mm
  • D. 75 to 125 mm
Correct Answer: Option B -
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Explanations:

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