MCQOPTIONS
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| 1. |
In an ammonia plant, the purge off is essential to___________________? |
| A. | Maintain inert gas concentration within a limit |
| B. | Remove excess poisonous gases |
| C. | Maintain H2 : N2 ratio at 3 :1 |
| D. | Remove uncondensed ammonia vapour |
| Answer» D. Remove uncondensed ammonia vapour | |