Question

Cement not more than ________ months old should be used.

(a) 1

(b) 1.5

(c) 2

(d) 3

I had been asked this question in an interview for job.

I need to ask this question from Symptoms and Diagnosis of Distress topic in chapter Repair Technology for Concrete Structures of Concrete Technology

Answer 1

The correct answer is (d) 3

To explain: Cement not more than 3 months old should be used. Proper cement to be used to prevent sulphate and chloride attack.