Among the valves on the DEEP DRILLER which may be opened when using the Salt-Water Service Pump to pump water into Tank 1P is __________.

Correct Answer: Option C — 46

Valve 46 is part of the specific cross-connected piping arrangement on the DEEP DRILLER that directly aligns the Salt-Water Service Pump suction and discharge manifolds with port-side lower-hull tank 1P in accordance with the vessel's stability and ballasting operations manual.