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Q: Durability of concrete is proportional to
  • A. Sand content
  • B. Water–cement ratio
  • C. Aggregate ratio
  • D. Cement–aggregate ratio
Correct Answer: Option D - Durability of concrete may be defined as the ability of concrete of resist weathering action, chemical attack, and abrasion while maintaining its desired properties. Durability of concrete is proportional to cement-aggregate ratio. 79. Pick up the correct statement
D. Durability of concrete may be defined as the ability of concrete of resist weathering action, chemical attack, and abrasion while maintaining its desired properties. Durability of concrete is proportional to cement-aggregate ratio. 79. Pick up the correct statement

Explanations:

Durability of concrete may be defined as the ability of concrete of resist weathering action, chemical attack, and abrasion while maintaining its desired properties. Durability of concrete is proportional to cement-aggregate ratio. 79. Pick up the correct statement