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【单选题】

On all vessels equipped with refrigeration units of over 20 cubic foot capacity, （）.

A、a gas mask suitable for protection against each refrigerant used, or a self contained breathing apparatus must be provided

B、it is the sole responsibility of the chief engineer to ascertain that all members of the engineering department are familiar with the use of gas masks or breathing apparatus

C、spare charges shall be carried for at least 50% of each size and variety of gas masks and/or self contained breathing apparatus

D、all of the above

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更多“On all vessels equipped with refrigeration units of over 20 cubic foot capacity, （）.”相关的问题
第1题
[单选题] Fire protection regulations for towing vessels require that drills be conducted on board the vessel as if there were an actual emergency. Drills include all of the following，EXCEPT（）.

A、testing all alarm and detection systems  B、breaking out and using the vessel's emergency equipment  C、participation by selected crew members  D、one person putting on protective clothing，if the vessel is so equipped  

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第2题
[单选题] Fire protection regulations for towing vessels require training in all of the following，EXCEPT（）.

A、putting on a fireman's outfit，if the vessel is so equipped  B、donning a self-contained breathing apparatus，if the vessel is so equipped  C、activating the general alarm and reporting inoperative alarm systems and fire-detection systems  D、refilling and servicing all expended fire extinguishing equipment  

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第3题
[] All inspected vessels on unrestricted ocean routes must have equipment on board for testing an individual’s（）.

A、A.blood  B、B.breath  C、C.urine  D、D.All of the above  

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第4题
[单选题] Oil may NOT be transferred unless（）.

A、there are two certificated tankermen on each vessel  B、the vessel is equipped with constant-tension winches  C、discharge containment equipment (i.e. drip pans) are in place  D、All of the above  

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第5题
[单选题] Oil may NOT be transferred unless（）.

A、there are two certificated tankermen on each vessel  B、the vessel is equipped with constant-tension winches  C、discharge containment equipment (i.e. drip pans) are in place  D、All of the above  

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第6题
[] The securing of passenger cars on a Ro-Ro vessel requires（）.

A、A.simple and lightweight equipment  B、B.low labor intensive equipment  C、C.specially designed equipment to avoid vehicle damage  D、D.All of the above  

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第7题
[单选题] The lifesaving equipment on all vessels shall be（）.

A、inspected weekly  B、stowed in locked compartments  C、readily accessible  D、tested yearly  

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第8题
[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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第9题
[] A fire and boat drill on a tank vessel shall, by regulation, include （）.

A、A.starting the fire pumps  B、B.checking firemans outfits and other personnel rescue equipment  C、C.checking relevant communications equipment  D、D.All of the above  

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第10题
[单选题] You must ensure that lifesaving equipment is（）.

A、Locked up  B、Readily accessible for use  C、Inaccessible to passengers  D、On the topmost deck of the vessel at all times  

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