Question 660General Subjects - Assistant Engineer70% to pass
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
AI Explanation
The correct answer is A) be in motion with a null input.
When a command signal initiates 20° of right rudder movement, the follow-up mechanism at the beginning of the rudder movement will be in motion to detect and respond to the change in rudder position. However, since the rudder has not yet reached the commanded 20° position, the follow-up mechanism will have a null input, meaning it is not providing any input to the variable stroke pump or other steering gear components.
The other answer choices are incorrect because B) and C) describe the follow-up mechanism providing an input to the variable stroke pump, which would only occur once the rudder has reached the commanded position, not at the beginning of the movement. D) is incorrect because the follow-up mechanism is designed to be in motion to detect and respond to changes in rudder position.
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