Engine : Steam Plants - 341/811
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| In a disk-type lubricating oil purifier, __________. |
| A) all dirt and sludge are automatically discharged with the cooling water |
| B) deterioration of the bowl ring gasket will cause the purifier to lose its water seal |
| C) the purifier driving gears are lubricated by the reclaimed oil as it leaves the bowl |
| D) sealing water must never be supplied until after oil is fed to the unit |
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