Question

The process of selection of relative proportions of cement, sand, course aggregate and water, so as to obtain a concrete of desired quantity is known as the ________

(a) Proportioning of reinforcement

(b) Proportioning of concrete

(c) Proportioning of cement

(d) Proportioning of water

I had been asked this question during an online exam.

The doubt is from Cement Concrete Construction in section Cement Concrete Construction of Construction & Building Materials

Answer 1

Correct choice is (b) Proportioning of concrete

Best explanation: Proportioning of concrete result is independent of the size of stones. It is interesting to note that if sand is taken in place of stones, the same result will be obtained. The result can be verified by pouring water in the vessel, it is just full.