A.CO2
B.dry chemical
C.water
D.foam
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A.45°upward
B.vertically upward
C.vertically downward
D.all of the above
A.all emergency signals
B.instructions for lowering the survival craft
C.the time each weekly drill will be held
D.work schedule
A.driving wooden plugs into the vents
B.closing the lids on the vents
C.plugging the scuppers
D.plugging the sounding pipes
A.Master
B.Chief Mate
C.safety officer
D.department heads
A.The sea anchor deploys
B.The floor inflates
C.If upside down，the craft rights itself
D.The painter detaches from the raft
最新試題
The success of an indirect attack on a fire depends on the（）.
Weight is considered during the periodic required inspection and servicing of（）.
To determine if a CO2 fire extinguisher is fully charged，you would（）.
What is NOT a characteristic of carbon dioxide fire-extinguishing agents?（）
The wooden plug inserted in the vent of a damaged tank of a ship should be removed in case it is decided to（）.
The supply of carbon dioxide used in the fixed extinguishing system aboard a cargo vessel MUST be at least sufficient for（）.
The ventilation system of your ship has fire dampers restrained by fusible links. Which statement is TRUE?（）
There are two disadvantages to CO2 pump as a firefighting agent. One of these is the limited quantity available，and the other is（）.
What is best suited for fighting a fire in a ballast control room?（）
What is the most important characteristic of the extinguishing agent in fighting a class C fire?（）