Question

Which of the following statement is incorrect?

(a) Water is the most important and least expensive ingredient of concrete

(b) Excess of water forms scum

(c) Less amount of water may cause honeycombing

(d) Mixing of water is used in the hydration of cement and provides lubrication between fine and coarse aggregates.

This question was addressed to me by my college director while I was bunking the class.

This key question is from Quality of Water topic in section Water of Concrete Technology

Answer 1

The correct answer is (c) Less amount of water may cause honeycombing

Easy explanation: Excess amount of water may cause honey combing and less amount of water gives high density to the concrete.