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
There is a fire in the crew’s quarters of your vessel. You should（）.
There are two disadvantages to CO2 pump as a firefighting agent. One of these is the limited quantity available，and the other is（）.
To prevent the spread of fire by conduction you should（）.
There is a fire aft aboard your vessel. To help fight the fire，you should（）.
What is an advantage of using foam in fire fighting?（）
To determine if a CO2 fire extinguisher is fully charged，you would（）.
The spread of fire is prevented by（）.
Ventilation systems connected to a compartment in which a fire is burning are normally closed to prevent the rapid spread of the fire by（）.
What are the most important reasons for using water fog to fight fires?（）
What is best suited for fighting a fire in a ballast control room?（）