Engine : Steam Plants - 778/811
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| Which of the conditions listed could cause an oil flow sight glass, of a main turbine bearing, to be completely filled with oil? |
| A) A restriction in the oil drain line to the sump. |
| B) Excessive air trapped in the lube oil system. |
| C) An increase in oil temperature. |
| D) Increasing the amount of oil through the gravity tank overflow line. |
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