单项选择题

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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单项选择题

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

单项选择题

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

单项选择题

You’d better（）the optional cargo block stowage in the tweendecks, then it can be easily discharged either at Shanghai or Dalian.

A.give
B.to give
C.given
D.giving