A.Fire ax
B.Flashlight
C.rigid helmet
D.Fresh air breathing apparatus
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A.Conducts electricity
B.Difficult to store
C.Large volume necessary to be effective
D.Ineffective in powdered metal fires
A.Bouncing a straight stream of water off the overhead to create spray effect
B.Spraying foam on a bulkhead and letting it flow down and over a pool of burning oil
C.Flooding a paint locker with CO2 and sealing the compartment
D.Cooling adjacent bulkheads with water to prevent the spread of the fire by conduction
A.Water
B.Foam
C.Dry chemical
D.Carbon Dioxide
A.Water foam
B.Dry chemical powder
C.Water fog
D.Alcohol foam
A.Manual fire detection system
B.Automatic fire detection system
C.Smoke detection system
D.Watchman's supervisory system
最新試題
Which extinguishing agent is NOT recommended in the Chemical Data Guide for use on a cyclohexane fire?（）
When used to fight fire，carbon dioxide（）.
Which precaution should be taken when testing a line throwing gun?（）
Which extinguishing agent is effective in combating an isoprene fire?（）
Which action is routinely performed at the annual servicing and inspection of a dry-chemical cartridge-operated portable fire extinguisher?（）
When joining the female coupling of the fire hose to the male outlet of the hydrant，you should make sure that the（）.
Where should life jackets be stowed?（）.
Which extinguishing agent is the best for use on electrical fires?（）
Which statement is FALSE concerning precautions during fueling operations?（）
When towing astern what equipment should be stowed ready for use near the towline?（）