Engine : General Subjects - 935/1128
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| The total length of stroke in a reciprocating steam pump can be adjusted by __________. |
| A) changing the setting of the tappet collars on the pilot valve operating rod |
| B) variations in the throttle adjustment |
| C) twisting the stay rod in a clockwise direction |
| D) increasing or decreasing the number of packing rings around the piston rod |
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