MCQOPTIONS
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| 1. |
The average molecular weight of a flue gas having the composition by volume as CO = 25%, O = 25%, N = 50% will be |
| A. | 27.6 |
| B. | 23 |
| C. | 47.3 |
| D. | 42.9 |
| Answer» C. 47.3 | |