A.the tank ceiling B.the tank top bushing C.the thievage mark D.an above deck datum
A.still water level B.wave crest C.wave crest plus the charted water depth and tidal corrections D.wave crest plus the charted water depth and tidal correction and storm surge
A.an oil content meter B.an oil checker C.an analyzer of oil content D.a mixer of oily water
A.hold a valid officer's license for inspected vessels B.be a certificated tankerman C.be 30 years old D.have a letter from the company stating his qualification
A.a vessel towing by pushing ahead B.a power-driven vessel，not towing C.a barge being pushed ahead D.either answer A or answer B
A.let the schooner guy take most of the strain，thus transferring the load to the opposite boom B.leave the preventer guy slack C.secure them as close together as possible on deck D.secure them so the angle between them is 90°at the boom head
A.year B.two years C.four years D.five years
A.reduce the draft of the barge B.shorten one leg of the bridle C.place bulky deck loads as far aft as possible D.trim the barge down by the bow
A.galvanized to protect against corrosion B.held in place with heavy materials such as spare pendant wire C.limited to no more than five courses high D.provided with bulwarks at both ends of their bays
A.preload B.liquid variable load C.fixed load D.basic load
