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Coefficient of thermal expansion of concrete is __________ coefficient of thermal expansion in aggregates.

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Coefficient of thermal expansion of concrete is __________ coefficient of thermal expansion in aggregates.

(a) Directly proportional

(b) Inversely proportional

(c) Equal

(d) More than

This question was posed to me by my college director while I was bunking the class.

I would like to ask this question from Thermal Properties topic in portion Aggregates and Testing of Aggregates of Concrete Technology

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Correct choice is (a) Directly proportional

Best explanation: Coefficient of thermal expansion of concrete increases with the increase in coefficient of thermal expansion of aggregates and vice-versa.

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