The diesel engine shown in the illustration, the exhaust manifold is indicated by the letter __________. Illustration MO-0003

USCG Exam Illustration MO-0003
USCG Examination Diagram: Illustration MO-0003
Official USCG Answer & Rule Citation

Correct Answer: Option D — U

Large marine two-stroke diesel engines collect exhaust gases exiting the cylinder ports into a large-volume exhaust manifold, designated by letter U, which channels high-velocity gas directly into the turbocharger turbine inlet.

Advertisement