Engine : Steam Plants - 158/811
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| In a gravity type lube oil service system, if no lube oil appears in the sight glass of the return drop line while underway, this is a positive indication that __________. |
| A) there is a failure of all lube oil pumps |
| B) no oil is flowing to the bearings |
| C) no oil is overflowing from the gravity tank |
| D) the gravity tanks are empty |
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