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
What does blowing tubes accomplish?（）
What is best suited for fighting a fire in a ballast control room?（）
There are two disadvantages to CO2 pump as a firefighting agent. One of these is the limited quantity available，and the other is（）.
To lubricate the swivel or remove corrosion from a fire hose coupling，you should use（）.
What is the most important characteristic of the extinguishing agent in fighting a class C fire?（）
What is an advantage of using foam in fire fighting?（）
The supply of carbon dioxide used in the fixed extinguishing system aboard a cargo vessel MUST be at least sufficient for（）.
What is the most vulnerable part of the fire main system on board an offshore rig?（）
The spread of fire is prevented by（）.
What is required in addition to the heat，fuel，and oxygen of the fire triangle to have a fire?（）