Motor Plants & Auxiliary Boilers USCG Q#1358 (Set 27)

In the pressure-volume diagram shown in the illustration, the atmospheric pressure line is indicated by line __________. Illustration MO-0035

USCG Exam Illustration MO-0035 — USCG Examination Diagram: **Illustration MO-0035**

Official USCG Answer & Rule Citation

Correct Answer: Option C — C

Line C corresponds to the baseline atmospheric pressure reference on standard diesel engine indicator cards, separating positive cylinder pressures from pumping or scavenging loops.

All Motor Plants & Auxiliary Boilers Sets Practice Set 27