Question

Maximum size of aggregates are used to produce 100MPa compressive strength?

(a) 20-30 mm

(b) 10-20 mm

(c) 30-40 mm

(d) 40-50 mm

I got this question during an interview.

My doubt stems from No Fines Concrete, High Density Concrete in chapter Special Concrete and Concreting Methods of Concrete Technology

Answer 1

The correct choice is (b) 10-20 mm

Easiest explanation: Maximum size of aggregates is 10-20 mm are used to produce 100MPa compressive strength.