A.sounding the tank B.waiting for the vessel to list C.examining tank boundaries D.checking fuel oil strainers
A.on the outgoing tide B.overboard after dark C.overboard through an oily water separator D.anytime in an emergency, i-emain engine lube oil failure
A.drained into the vessels bilges B.reclaimed for other uses C.held in a slop tank D.purified and then reused