單項(xiàng)選擇題The difference between the starboard and port drafts caused by a transverse shift in weight is （）.

A.list
B.heel
C.trim
D.flotation


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1.單項(xiàng)選擇題To prevent the spread of fire by conduction, you should （）.

A.cool the bulkheads around the fire
B.remove combustibles from direct exposure
C.close all openings to the area
D.shut off all electric power

2.單項(xiàng)選擇題Each completed page of the Oil Record Book must be signed by the （）.

A.engineer on watch
B.Chief Engineer
C.Chief Mate
D.Master

3.單項(xiàng)選擇題A shipboard oil pollution emergency plan is required of （）.

A.all vessels, regardless of size and commercial application
B.any barge or other ship which is constructed or operated in such a manner that no oil in any form can be carried aboard
C.an oil tanker of 150 gross tons or above, or other ship of 400 gross tons or above
D.an oil tanker of 400 gross tons and above, or other ships of 150 gross tons and above

4.單項(xiàng)選擇題A fire is considered "under control" when （）.

A.all hands are at their fire stations
B.all fire-fighting equipment is at the scene
C.the fixed systems are activated
D.the fire is contained and no longer spreading

5.單項(xiàng)選擇題The approval period for a shipboard oil pollution emergency plan expires after （）.

A.one year
B.two years
C.four years
D.five years