Engine : Steam Plants - 303/811
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| A motor driven synchronizing device, figure "D" shown in the illustration, operated from the generator switchboard, initiates fine adjustments to the steam turbine speed by directly __________. Illustration SE-0009 |
| A) raising or lowering the nozzle block lifting beam |
| B) changing the vertical location of the pilot valve bushing |
| C) increasing or decreasing operating spring pressure |
| D) varying the pivot rod stroke length on the governor weight eccentric pad |
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Illustration SE-0009
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