A.generators
B.oil drums
C.the bridge controls
D.combustible metals
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A.two or more releasing stations
B.automatic release in event of a fire
C.an audible alarm and time delay
D.an audible and visible alarm
A.stop the ventilation
B.sound the general alarm
C.determine the source of the fire
D.attempt to extinguish the fire
A.low-velocity fog only
B.a solid stream only
C.a solid stream and foam
D.a solid stream and fog
A.reading the gage pressure
B.weighing the extinguisher
C.discharging a small amount of CO2
D.seeing if the seal has been broken
A.used at the earliest opportunity
B.hydrotested
C.recharged
D.weighed again in one month
最新試題
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（）.
A passenger vessel is required to have a supervised patrol when（）.
A spanner is a（）.
After extinguishing a paint locker fire using the fixed CO2 system，the next action is to have the space（）.
Any extinguishing agent used on a Class C fire must have which important property?（）
After extinguishing a fire with CO2，it is advisable to（）.
As compared to carbon dioxide，dry chemical has which advantage?（）.
A portable dry chemical fire extinguisher discharges by（）.
An effective method for moving patients with spinal injuries onto a spine board is known as the（）.
Any ship damaging a pipe could（）an immediate danger of fire.