A.Electricity
B.Chain reaction
C.Pressure
D.Smoke
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A.The rated capacity in gallons，quarts，or pounds
B.The hydrostatic test date of the cylinder
C.The name of the item
D.An identifying mark of the actual manufacturer
A.Effective even if ventilation is not shut down
B.Will not deteriorate in storage
C.Non-corrosive
D.Effective on electrical equipment
A.Slow down the spread of fire by cooling adjacent structures
B.Cover the fire with foam
C.Smother the fire with a blanket or similar object
D.Break up solid objects to ensure that any deep seated fires are extinguished
A.Automatic sprinkler system
B.Steam smothering system
C.Dry chemical system
D.Carbon dioxide system
A.It is effective in controlling fire in flowing oil such as coming from a broken fuel line
B.It absorbs heat from materials that could cause reignition
C.Most foams can be used jointly with dry chemical extinguishing agents to attack a fire by two methods of extinguishment
D.Once the surface is blanketed with foam and the fire is extinguished，no further foam is required
最新試題
There is a fire aft aboard your vessel. To help fight the fire，you should（）.
The sprinkler system of a survival craft is used to（）.
The type of extinguisher which should be used for an electricity fire is（）.
There is a fire in the crew’s quarters of your vessel. You should（）.
Under the Carriage of Goods by Sea Act of 1936，a vessel will be liable for damage to a cargo when the damage arises out of（）.
What is required in addition to the heat，fuel，and oxygen of the fire triangle to have a fire?（）
What is the most important characteristic of the extinguishing agent in fighting a class C fire?（）
The success of an indirect attack on a fire depends on the（）.
What are the most important reasons for using water fog to fight fires?（）
What is the most vulnerable part of the fire main system on board an offshore rig?（）