A.three months
B.six months
C.twelve months
D.eighteen months
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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
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
最新試題
Each lifeboat must be lowered and maneuvered in the water at least once every（）.
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?（）
On cargo and miscellaneous vessels what is NOT a required part of the fireman’s outfit?（）
Frapping lines are fitted to lifeboat davits to（）.
How many life buoys（）on board with self-igniting light?
According to the ship regulations，the capacity of a liferaft is required to be marked（）.
How many life buoys have your ship been exactly（）.
In launching a covered lifeboat，what would safely lower the lifeboat from inside the lifeboat cabin?（）
On a ship，watertight doors should be operated（）.