Engine_2014 : Motor Plants and Auxiliary Boilers - 908/2614
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| The butterfly valve overspeed device, shown in the illustration, is actuated by the engine overspeeding, resulting in __________ . |
| A) an increase in oil pressure acting against the piston rod |
| B) a counterclockwise rotation of the butterfly valve to shut off the air to the engine |
| C) an increase in compression on the spring |
| D) the piston rod moving to the right due to spring force |
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Illustration MO-0103
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