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Engine: Motor Plants and Auxiliary Boilers

Question 1,887 of 1,433

The offshore supply vessel to which you are assigned is fitted with reversing reduction gears equipped with airflex pneumatic tire-type friction clutches. With the bridge in control of the main engines, you hear unusual screeching noises coming from the clutches, but only when transitioning from one direction to the other. Given the situation of changing direction from ahead to astern as an example, what is the most likely cause?

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Appears on the 2026 sample exam for

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