Port ballast pump #1 on the DEEP DRILLER has failed. If you want to deballast the forward-port column using port ballast pump #2, it is necessary to open valves __________.

Correct Answer: Option D — 3, 34, 35, 36, 46, and 48

Tracing ballast piping schematics on the DEEP DRILLER for cross-connected pumping configurations dictates that opening valves 3, 34, 35, 36, 46, and 48 routes suction and discharge properly through port ballast pump #2 to the forward-port column.