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On cooling below 1250^oC, C3S decomposes ______(a) Fast(b) Slowly(c) Never(d) Depends on the conditionsThe question was posed to me in an online interview.My question comes from Various Testing Methods topic in division Special Concrete and Concreting Methods of Concrete Technology

Answer» RIGHT option is (B) Slowly

The best I can explain: On cooling below 1250^oC, C3S decomposes slowly but, if cooling is not too SLOW, C3S remains unchanged and is relatively stable at ordinary TEMPERATURES.


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