The over speed tripping device installed on an auxiliary turbine is automatically actuated by __________.
Official USCG Answer & Rule Citation
Correct Answer: Option A — centrifugal force
Standard auxiliary turbine overspeed safety devices utilize spring-restrained flyweights mounted on the shaft. When speed exceeds design limits, centrifugal force overcomes the spring tension, tripping the trip linkage and slamming the steam inlet valve shut.
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