General Subjects (Auxiliaries & Systems) USCG Question #2135 (Set 33)

A command signal input to the steering gear has initiated rudder movement for 20° right rudder. The follow-up mechanism at the beginning of the rudder movement will __________. Illustration GS-0123

USCG Exam Illustration GS-0123
USCG Examination Diagram: Illustration GS-0123
Official USCG Answer & Rule Citation

Correct Answer: Option A — be in motion with a null input

During the initial phase of rudder movement, the follow-up mechanism is in motion to track the rudder's position. Because the rudder has not yet reached the commanded angle, the system maintains a null input to the variable stroke pump, allowing the pump to remain at stroke until the feedback matches.

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