A.Whether the fire is in machinery or passenger spaces
B.Danger of shock to personnel
C.The amount of toxic fumes created by the extinguisher
D.Maintaining electrical power
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A.Weight
B.Temperature
C.Electrical nonconductivity
D.Cost
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
最新試題
To lubricate the swivel or remove corrosion from a fire hose coupling，you should use（）.
The straight stream capability of an all-purpose nozzle is used in fighting a class A fire to（）.
Under the regulations for cargo vessels，which statement is TRUE concerning fireman’s outfits?（）
Water fog from an all-purpose nozzle may be used to（）.
Weight is considered during the periodic required inspection and servicing of（）.
Traditionally，the signal for fire aboard ship is（）.
What is an advantage of using foam in fire fighting?（）
There is a fire aft aboard your vessel. To help fight the fire，you should（）.
The spread of fire is prevented by（）.
What is meant by the term overhaul in firefighting?（）