A.Never remove the line from the rocket
B.Fire it at an angle of approximately 90 degrees to the horizon
C.Wear asbestos gloves
D.All of the above
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A.Carbon dioxide
B.Water (stored pressure)
C.Foam
D.Carbon tetrachloride
A.Dry chemical (cartridge-operated)
B.Water (cartridge-operated)
C.Water (pump tank)
D.Carbon dioxide
A.Fire ax
B.Flashlight
C.rigid helmet
D.Fresh air breathing apparatus
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
最新試題
Which fire detection system is actuated by sensing a heat rise in a compartment?（）
When should a fire be ventilated?（）
When joining the female coupling of the fire hose to the male outlet of the hydrant，you should make sure that the（）.
Where would you find the FCC authorization for transmitting on your ship’s EPIRB?（）
When using carbon dioxide to fight a fire on a bulkhead，the CO2 should be applied（）.
Which portable fire extinguisher should be used on a class C fire on board a vessel?（）
Which extinguishing agent is the best for use on electrical fires?（）
Which characteristic is an advantage of Halon as a fire extinguishing medium?（）
Which action is routinely performed at the annual servicing and inspection of a dry-chemical cartridge-operated portable fire extinguisher?（）
Where foam extinguishing systems are provided on a ship，each machinery flat in the protected space must have a(n)（）.