Engine Safety (Supplementary) USCG Q#51 (Set 1)

The diesel engine component labeled "3", shown in the illustration is called the __________. MO-0122

USCG Exam Illustration MO-0122 — USCG Examination Diagram: **Illustration MO-0122**

Official USCG Answer & Rule Citation

Correct Answer: Option C — cylinder head

Engine reference diagram MO-0122 labels component 3 as the cylinder head, which houses the fuel injection, air intake, exhaust valves, and forms the upper combustion chamber boundary.

All Engine Safety (Supplementary) Sets Practice Set 1