Engine : Steam Plants - 768/811
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| 63. The maximum lube oil temperature leaving a large, main propulsion steam turbine bearing should __________. |
| A) never exceed 170°F |
| B) be always maintained at 130° F |
| C) never exceed the inlet temperature by more than 70°F |
| D) not exceed the normal lube oil outlet temperature from the centrifugal purifier |
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