MCQOPTIONS
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| 1. |
When the cement paste is filled in mould and kept in water. Then what should be the temperature of water? |
| A. | 24-35°C |
| B. | 20°C |
| C. | 30-40°C |
| D. | 50°C |
| Answer» B. 20¬¨¬®‚Äö√†√ªC | |