Engine : General Subjects - 311/1128
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| Positive displacement, helical gear pumps are well suited for pumping oil because __________. |
| A) these pumps are designed with extreme tooth angles |
| B) it is not necessary to closely maintain design clearances with this pump |
| C) they are essentially self-priming and capable of a high suction lift |
| D) stuffing boxes eliminate the leakage problems usually associated with other gear pumps |
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