1.

Consider the following statements regarding 'setting of cement':1. Low-heat cement sets faster than OPC.2. Final setting time decides the strength of cement.3. Initial setting time of Portland PozzoIlona is 30 minutes.4. Air-induced setting is observed when stored under damp conditions.5. Addition of gypsum retards the setting time.Which of the above statements are correct?

A. 1, 2 and 3
B. 2, 3 and 4
C. 3, 4 and 5
D. 2, 3 and 5
Answer» D. 2, 3 and 5


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