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
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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
A.maximum pressure allowed at that branch
B.name of the space or spaces which it serves
C.date of the last maintenance inspection
D.pressure needed to maintain an effective stream at that point
最新試題
An important step in fighting any electrical fire is to（）.
Any extinguishing agent used on a Class C fire must have which important property?（）
As an extinguishing agent，foam（）.
A spanner is a（）.
A galley grease fire on the stove may be extinguished using（）.
Any ship damaging a pipe could（）an immediate danger of fire.
According to the regulations，what fire safety control feature is required in quick-closing shut off valves?（）
All portable fire extinguishers must be capable of being（）.
A marine chemist issues gas free certificates and is certified by the（）.
A ship helicopter landing deck on which fueling operations are conducted must have a fire protection system that is capable of discharging at 100 psi pressure a foam spray of at least（）.