默认题库 - 船员职务名称

单选题

Fittings used for towing must be（）.

A. Coast Guard approved
B. stamped with maximum working loads
C. securely fastened
D. positioned exactly at the bow of the towed vessel

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单选题

Each hose used for transferring vapors must（）.

A. have a design burst pressure of at least 25 psig
B. be capable of withstanding at least 2.0 psi vacuum without collapsing or constricting
C. be electrically continuous with a maximum resistance of ten thousand ohms
D. All of the above

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单选题

During which condition should the operator of a pedestal crane shutdown operations?（）

A. Bunkering
B. High winds
C. Potable water spill on deck

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单选题

During transfer operations，a quantity of propylamine spills on deck. According to the Chemical Data Guide，the correct procedure would be to（）.

A. immediately flush the spill with large quantities of fresh water
B. cover the contaminated surface with soda-ash-soaked lime solution
C. add sodium bisulfate on the contaminated surface and spray it down with water
D. move to a position upwind of the spill and allow the product to boil off

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单选题

During storm conditions on a ship，the mooring tensions should be adjusted so that（）.

A. all mooring lines have a different tension
B. the leeward lines have higher tension than the windward lines
C. the maximum tension of the most heavily loaded line does not exceed the safe working load
D. all horizontal tension forces on the windward lines are no greater than the vertical tension force

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单选题

（）is not convincing at all.

A. What do
B. What you say
C. What you said
D. What did you say

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单选题

（）for many years，the AB passed the examination and became an officer.

A. Having ignored him
B. To have been ignored
C. To be ignored
D. Having been ignored

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单选题

Whom are you looking（）?I want to see your Chief Mate.

A. on
B. in
C. for
D. at

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单选题

During jacking operations and transit，empty void spaces in the hull of a jack up ship provide（）.

A. buoyancy
B. extra storage space
C. additional tank capacity
D. reduced stability

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单选题

Fire protection regulations for towing vessels require all crew members to know how to perform each of these tasks EXCEPT（）.

A. start the mechanical ventilation system for the engine room
B. operate the fuel shut-off for the engine room
C. operate all fire extinguishing equipment aboard the vessel on board the vessel，including starting the fire pump
D. All of the above

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