MCQOPTIONS
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| 1. |
In a moisture content test, for how long should the sand in infrared heating bulb be heated? |
| A. | 1 – 2 minutes |
| B. | 2 – 3 minutes |
| C. | 3 – 4 minutes |
| D. | 4 – 5 minutes |
| Answer» C. 3 – 4 minutes | |