A.It causes minimal damage
B.It is safer for personnel
C.It is cheaper
D.It is most effective on a per unit basis
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A.Fire patrol
B.Fire control
C.Smoke detection
D.Fire drill
A.Naval firing practice
B.Fire drills
C.Crew drills
D.Survival drills
A.life boat
B.helicopter
C.fire-fighting
D.medicine
最新試題
The disadvantage of using CO2 is that the（）.
One advantage of the all-purpose nozzle is that it（）.
Portable foam type fire extinguishers are most effective on（）.
Each crewmember has an assigned firefighting station. This assignment is shown on the（）.
On a ship，watertight doors should be operated（）.
Portable CO2 fire extinguishers should NOT be used to inert a space containing flammable liquids due to the danger of（）.
The bilge pump on a fishing vessel（）.
The collision bulkhead shall be of（）.
One disadvantage of using regular dry chemical (sodium bicarbonate) in firefighting is that（）.
The discharge side of every fire pump must be equipped with a（）.