Engine : Expired / General Subjects - 1413/881
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| When reviewing log books, the main salt water cooling pump discharge pressure has decreased in the three years since overhaul. Which of the following would most likely be the cause of the problem. |
| A) Bus frequency lower than normal. |
| B) Worn pump shaft bearings. |
| C) Increased impeller and wear ring clearance. |
| D) Fouled suction strainer. |
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