Question

According to IRC:15-2002, Maximum nominal size of aggregates is ________

(a) 20 mm crushed aggregates

(b) 31.5 mm crushed aggregates

(c) 25 mm crushed aggregates

(d) 30.5 mm crushed aggregates

This question was addressed to me in my homework.

I would like to ask this question from Road Method of Mix Design topic in chapter Concrete Mix Design of Concrete Technology

Answer 1

Correct option is (a) 20 mm crushed aggregates

To elaborate: According to IRC:15-2002, the maximum nominal size of aggregates is 20 mm crushed aggregates and 31.5mm was according to 2011.