Question

Approximate ratio of direct tensile strength to flexural strength is ____________

(a) .25

(b) .33

(c) .5

(d) .05

The question was posed to me in a national level competition.

The question is from Strength and Durability Relationship topic in portion Durability of Concrete of Concrete Technology

Answer 1

Correct answer is (c) .5

To explain I would say: Approximate ratio of direct tensile strength to flexural strength is .5 according to the formula.