Engine Safety (Supplementary) USCG Question #243 (Set 4)

The component shown in the illustration would be identified as a ______. Illustration MO-0097

Official USCG Answer & Rule Citation

Correct Answer: Option B — slow speed engine fuel pump

Large slow-speed marine diesel engines utilize high-pressure, cam-actuated port-helix fuel injection pumps to meter and time fuel delivery precisely to each cylinder. The heavy housing, rack linkage, and roller tappet assembly characterize a standard slow-speed main engine fuel pump.

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