A.carried by hand to a fire
B.carried or rolled to a fire
C.recharged in the field
D.used on class 'B' fires
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A.electricity
B.fuel
C.oxygen
D.heat
A.opened and burned material removed
B.left closed with vents off until all boundaries are cool
C.checked for oxygen content
D.doused with water to prevent reflash
A.use all CO2 available to cool the surrounding area
B.stand by with water or other agents
C.thoroughly ventilate the space of CO2
D.jettison all burning materials
A.Electrical cut off switch
B.A fusible link
C.Manual cut off switch
D.A water spray actuator
A.The aluminum will provide greater resistance to the spread of fire by conduction
B.The aluminum structure is usually attached to a steel coaming by a method that insulates the two metals
C.If the superstructure is stressed，an aluminum structure requires additional expansion joints to prevent fracture
D.The steel at the area of the aluminum-to-steel connection must be closely checked for galvanic corrosion
最新試題
A vessel is constructed with a steel hull and an aluminum superstructure. Which statement is TRUE?（）
At night while the ship is tied up to the dock，a fire breaks out in a cargo hatch. After sounding the alarm，what should the person on watch do?（）
A ship must have a self-contained breathing apparatus to be used as protection from gas leaking from a refrigeration unit. To meet this requirement，you may use（）.
An extinguishing agent which effectively cools，dilutes combustible vapors，removes oxygen，and provides a heat and smoke screen is（）.
At the required fire drill conducted aboard a ship，all persons must report to their stations and demonstrate their ability to perform the duties assigned to them（）.
Any firefighting equipment that is carried in addition to the minimum required must（）.
An advantage of a dry chemical over a carbon dioxide fire extinguisher is its（）.
An effective method for moving patients with spinal injuries onto a spine board is known as the（）.
All of the following are part of the fire triangle EXCEPT（）.
A galley grease fire on the stove may be extinguished using（）.