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单选题
A well in the uppermost deck of a shelter deck vessel which has only a temporary means of closing for the purpose of gaining an exemption from tonnage measurement is called a（n）（）.
A
Exemption space
B
Tonnage deck
C
Cofferdam
D
Tonnage opening
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单选题If you are fighting a fire below the main deck of your vessel，which action is most important concerning the stability of the vessel?（）.A
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单选题甲板分为艏楼甲板，主甲板和艉楼甲板。（）A
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考题
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考题
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verticallyC
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考题
单选题It is possible，and sometimes necessary，to strengthen the deck of a vessel for carriage of deck cargo by（）.A
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考题
单选题Which of the following electric motors would be the safest and most reliable to use on the main deck of a vessel in foul weather conditions?（）A
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考题
单选题You are loading a cargo that includes cylinders of acetylene aboard your break bulk vessel. Which statement is true? （）A
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考题
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单选题If an air compressor is used to supply compressed air to outlets throughout the engine room and on deck of a vessel, the system is known as the （）.A
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ships service air systemD
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考题
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To support the overhang of the sternB
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考题
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wooden blocks or dunnage placed between a deck load and the deckB
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face platesB
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the deck lineB
Plimsoll discC
Plimsoll lineD
sunmmer load line
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