A.Weight
B.Temperature
C.Electrical nonconductivity
D.Cost
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A.Electricity
B.Chain reaction
C.Pressure
D.Smoke
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
最新試題
To remedy a leaking fire hose connection at the hydrant，secure the valve and（）.
The success of an indirect attack on a fire depends on the（）.
What is meant by the term overhaul in firefighting?（）
Water fog from an all-purpose nozzle may be used to（）.
The sprinkler system of a survival craft is used to（）.
Under the regulations for cargo vessels，which statement is TRUE concerning fireman’s outfits?（）
The type of extinguisher which should be used for an electricity fire is（）.
What is the most vulnerable part of the fire main system on board an offshore rig?（）
To lubricate the swivel or remove corrosion from a fire hose coupling，you should use（）.
Traditionally，the signal for fire aboard ship is（）.