On the DEEP DRILLER, among the port-side valves to open when deballasting from ballast tank 2P is valve __________.

Official USCG Answer & Rule Citation

Correct Answer: Option B — 5

Operation manuals for the DEEP DRILLER designate valve 5 as the primary suction/discharge manifold control on the port side required to safely deballast ballast tank 2P utilizing the ship service pumping system.

All Deck General Sets Practice Set 157