Engine Safety (Supplementary) USCG Question #760 (Set 10)

The component labeled "A" on the engine reversing device shown in the illustration, performs its function by transmitting _______. MO-0125

USCG Exam Illustration MO-0125
USCG Examination Diagram: Illustration MO-0125
Official USCG Answer & Rule Citation

Correct Answer: Option D — a pneumatic signal which activates a hydraulic control cylinder allowing the camshaft to shift axially

Component 'A' functions as a pneumatic pilot valve transmitting a control air signal that actuates the master hydraulic control cylinder, providing the immense force needed to shift heavy marine camshafts axially.

100% Free & Open Access — No daily limits, paywalls, or gated answers on BrightMariner.