Engine : General Subjects - 2182/1128
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| In the operation of a two-stage flash type distilling plant, the rate of scale formation is greatly reduced by __________. |
| A) maintaining a relatively high feed water temperature |
| B) the fact that the first-stage regulator keeps the heater shell at a constant pressure |
| C) operating the unit at its rated capacity |
| D) the fact that no boiling occurs on heat transfer surfaces anywhere in the unit |
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