Question

What is the range of water absorption of aggregates used in road?

(a) 2.5-2.9

(b) .1-2

(c) .1-2.5

(d) 2-2.9

The question was asked in an online interview.

I want to ask this question from Testing of Aggregates topic in section Aggregates and Testing of Aggregates of Concrete Technology

Answer 1

Correct choice is (b) .1-2

Easy explanation: The specific gravity of aggregates normally used in road ranges from about 2.5 to 2.9. Water absorption values range from 0.1 to about 2.0 percent for aggregates normally used in road surfacing.