Question

According to geological origin, aggregates is/are classified into __________ types.

(a) 1

(b) 2

(c) 3

(d) 4

I had been asked this question in a national level competition.

My question comes from Classification of Aggregates in division Aggregates and Testing of Aggregates of Concrete Technology

Answer 1

Correct option is (b) 2

For explanation I would say: There are 2 types of aggregates based on geological origin. They are natural aggregates and artificial aggregates.