Steam Plants (Boilers & Turbines) USCG Question #747 (Set 25)

Which of the listed parts illustrated in the turbo generator governing system, provides the follow-up to prevent the nozzle valves from cycling between the fully open and fully closed positions, with each variation in turbine speed? Illustration SE-0009

USCG Exam Illustration SE-0009
USCG Examination Diagram: Illustration SE-0009
Official USCG Answer & Rule Citation

Correct Answer: Option C — E

Component E functions as the mechanical feedback linkage or follow-up device in the governing circuit, repositioning the pilot valve to stabilize the servomotor and prevent hunting or cyclic oscillation of the control valves during load changes.

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