Engine : General Subjects - 280/1128
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| Which of the following statements is true regarding mechanical seals? |
| A) They may be used in lieu of conventional packing glands for any service other than salt water. |
| B) Once placed into service, leakage between the dynamic seal surfaces may be reduced by monthly adjustment of the spring compression. |
| C) They are not suitable for use on fuel oil transfer pumps. |
| D) They are normally lubricated and cooled by the fluid being pumped. |
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