單項(xiàng)選擇題You have berthed in a area with other tank vessels. What signal is displayed by a vessel to indicate it is transferring flammable or combustible liquid cargo?（）.

A.A flashing yellow light
B.A red light visible all around the horizon
C.A green light visible all around the horizon
D.An illuminated red and yellow caution flag


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1.單項(xiàng)選擇題You must shift a weight from the upper tween deck to the lower hold. This shift will（）.

A.make the vessel more tender
B.make the vessel stiffer
C.increase the rolling period
D.decrease the metacentric height

2.單項(xiàng)選擇題You will load and carry a bulk cargo of sulphur at ambient temperature. Which statement is true?（）.

A.Wooden covers must be laid over the bilge wells to prevent the sulphur from entering the bilges
B.Bulk sulphur may be carried without a special permit providing the vessel complies with all applicable regulations
C.The majir charateristic of this cargo is that it forms sulfuric acid upon contact with water
D.Other hazardous material may not be stowed in the same hold as the sulphur bue may carried on deck above the hold

4.單項(xiàng)選擇題Your ship is carring hazardous cargo.During a daily inspection, yopu notice that some of the cargo has shifted and several cases are broken. You should first（）.

A.call out the deck gang to jettison the cargo
B.log the facts in the rough log and inform the chief mate later
C.make a determination of the seriousness of the breakage, and do what you think best
D.report the facts immediately to the Master, who will make a decision

5.單項(xiàng)選擇題Your tank vessel is fully loaded, and you find that she is down slightly by the head. To adjust the trim, you may（）.

A.add ballast aft
B.load more cargo aft
C.shift cargo aft
D.All of the above