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Durability of concrete is proportional to _________

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Durability of concrete is proportional to _________

(a) Sand content

(b) Water cement ratio

(c) Aggregate ratio

(d) Cement aggregate ratio

This question was addressed to me by my school principal while I was bunking the class.

This question is from Strength and Durability Relationship topic in portion Durability of Concrete of Concrete Technology

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Right option is (d) Cement aggregate ratio

Explanation: Volume chances due to difference in thermal properties of the aggregates and cement paste.

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