1.

Which of the following pairs are correctly related for rapid hardening cement?1. Fineness: 10%2. Final setting time: 10 hours3. Initial setting time: 30 minutesThe correct answer is

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


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