Engine : Expired / General Subjects - 907/881
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| Why are removable sleeves installed on centrifugal pump shafts? |
| A) They can be removed when it is necessary to lighten the weight of the pump. |
| B) They can be economically replaced as they wear out. |
| C) They increase the strength of the shaft. |
| D) They make it easier to replace the pump shaft packing. |
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