MCQOPTIONS
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| 1. |
Mass flow ratio of NH₃ in comparison to Freon-12 for same refrigeration load and same temperature limits is of the order ofa |
| A. | 1: 1 |
| B. | 1: 9 |
| C. | 9: 1 |
| D. | 1: 3 |
| Answer» C. 9: 1 | |