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- First Assistant Engineer (Steam-Motor-Gas Turbine Plants (Unlimited)) »
- Q511 - General Subjects I
18. 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.
Decreased discharge pressure over three years since overhaul likely results from increased impeller and wear ring clearance, leading to internal recirculation and reduced pump head.
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