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Aggregates to be used for wearing course, the impact value shouldn’t exceed ________ percent.

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in Concrete Technology by (122k points)
Aggregates to be used for wearing course, the impact value shouldn’t exceed ________ percent.

(a) 30

(b) 35

(c) 40

(d) 25

This question was posed to me in an international level competition.

I need to ask this question from Testing of Aggregates topic in division Aggregates and Testing of Aggregates of Concrete Technology

1 Answer

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Best answer
The correct choice is (a) 30

Explanation: Aggregates to be used for wearing course, the impact value shouldn’t exceed 30 %. For bituminous macadam the maximum permissible value is 35 %.

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