What port-side valves must be open to transfer ballast from Tank 1P to Tank 10P on the DEEP DRILLER using the Port #1 ballast pump?

Correct Answer: Option C — 1, 33, 43, and 24

Transferring ballast from Tank 1P to Tank 10P on the DEEP DRILLER requires configuring the suction, crossover, and discharge valves. Opening valves 1, 33, 43, and 24 establishes the correct internal piping pathway for the Port #1 ballast pump.