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 action is routinely performed at the annual servicing and inspection of a dry-chemical cartridge-operated portable fire extinguisher?（）
Which precaution should be taken when testing a line throwing gun?（）
Which firefighting method is an example of an indirect attack on a fire?（）.
When using carbon dioxide to fight a fire on a bulkhead，the CO2 should be applied（）.
When must a dry chemical fire extinguisher be recharged?（）
Where foam extinguishing systems are provided on a ship，each machinery flat in the protected space must have a(n)（）.
When inspecting a tank barge to see that it has all the required fire extinguishers and other safety items aboard，which of the following is the best source for determining what is required?（）
Which characteristic is an advantage of Halon as a fire extinguishing medium?（）
Which extinguishing agent is recommended in the Chemical Data Guide for use on a carbon disulfide fire?（）
Which fire extinguishing agent can NOT be used on an ethylenediamine?（）