A.Whenever its serviceability is in doubt B.In accordance with the manufacturer's recommendation C.At least once a month D.All of the above
A.The supervisor in charge of the dock to which the barge is tied up B.Part 38 of the Rules and Regulations for Tank Vessels C.The Certificate of Inspection of the barge D.The local fire marshal
A.about one-quarter of the vessel's length from the stern B.at the bow C.about one-third of the vessel's length from the bow D.aft of the propellers