A.where oil or chemical drums are stored
B.in all battery storage locations
C.in paint lockers
D.in all of the above locations
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A.week
B.month
C.crew change
D.other week
A.posted with instructions on the operation of the system
B.ventilated and equipped with explosion-proof switches
C.painted with red and black diagonal stripes
D.equipped with a battery powered source of emergency lighting
A.Carbon dioxide
B.Water (stored pressure)
C.Dry chemical
D.Foam
A.deteriorate and give off noxious gasses
B.spontaneously heat and catch fire
C.attract lice and other vermin and serve as a breeding ground
D.None of the above
A.fire-main system
B.feed-water system
C.freshwater sanitary system
D.domestic water tank
最新試題
Oily rags stored in a pile that is open to the atmosphere are a hazard because they may（）.
On a ship，a fire drill shall be conducted once every（）.
Line throwing apparatus aboard ship must contain（）.
On a vessel making a voyage more than 48 hours long，regulations require that（）.
On a small boat，which knot is best suited for attaching a line to the ring of an anchor?（）
On a ship，how many ring buoys are required to have a buoyant line attached?（）
On a class B fire，which portable fire extinguisher would be the LEAST desirable?（）
If absolutely necessary，the best way to land on a beach in a motor lifeboat is to（）.
The boat command that means complete the stroke and level the oars horizontally with the blades trimmed fore and aft is（）.
Each lifeboat must be lowered and maneuvered in the water at least once every（）.