On the DEEP DRILLER, among the starboard-side valves to open when deballasting from ballast tank 2S is valve __________.
Official USCG Answer & Rule Citation
Correct Answer: Option D — 48
Valve 48 is the designated starboard-side discharge/seawater valve configuration within the DEEP DRILLER ballasting system necessary to open when discharging or venting ballast water from tank 2S during deballasting operations.
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