A.The fire pump
B.Exposed hard piping
C.The hydrant valve
D.The fire hose
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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
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
最新試題
What is NOT a characteristic of carbon dioxide fire-extinguishing agents?（）
To remedy a leaking fire hose connection at the hydrant，secure the valve and（）.
The spread of fire is NOT prevented by（）.
What is the most vulnerable part of the fire main system on board an offshore rig?（）
What is an advantage of using foam in fire fighting?（）
To lubricate the swivel or remove corrosion from a fire hose coupling，you should use（）.
What is meant by the term overhaul in firefighting?（）
What is NOT listed on the metallic name plate required to be attached to hand portable fire extinguishers?（）
What does the term head mean when applied to a fire pump?（）
What does blowing tubes accomplish?（）