A.Electricity
B.Chain reaction
C.Pressure
D.Smoke
您可能感興趣的試卷
你可能感興趣的試題
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
The sprinkler system of a survival craft is used to（）.
To lubricate the swivel or remove corrosion from a fire hose coupling，you should use（）.
The type of extinguisher which should be used for an electricity fire is（）.
To prevent the spread of fire by conduction you should（）.
Water fog from an all-purpose nozzle may be used to（）.
The success of an indirect attack on a fire depends on the（）.
What is required in addition to the heat，fuel，and oxygen of the fire triangle to have a fire?（）
The spread of fire is prevented by（）.
There is a fire in the crew’s quarters of your vessel. You should（）.
Ventilation systems connected to a compartment in which a fire is burning are normally closed to prevent the rapid spread of the fire by（）.