Question

Strength of concrete show an increase with _________

(a) Decrease in rate of loading

(b) Increase in rate of loading

(c) Unaffected by rate of loading

(d) Depends on application of load

This question was addressed to me in examination.

I'd like to ask this question from Strength and Durability Relationship in chapter Durability of Concrete of Concrete Technology

Answer 1

Right answer is (b) Increase in rate of loading

To explain I would say: Strength of concrete is directly proportional to the nature of the loading.