A.Manual fire detection system
B.Automatic fire detection system
C.Smoke detection system
D.Watchman's supervisory system
您可能感興趣的試卷
你可能感興趣的試題
A.Foam
B.CO2
C.Dry chemical
D.Water fog
A.Alcohol foam
B.Dry chemical
C.Chemical foam
D.Water fog
A.Foam
B.Carbon dioxide
C.Dry chemical
D.Water fog
A.CO2
B.Foam
C.Dry Chemical
D.Water
A.Dry chemicals
B.CO2
C.Foam
D.All the above
最新試題
Which is a disadvantage of Halon as a fire extinguishing medium?（）
Which portable fire extinguisher is normally recharged in a shore facility?（）
Which extinguishing agent is best for use on a magnesium fire?（）
When two fire hose teams are attacking a fire they should（）.
Which precaution should be taken when testing a line throwing gun?（）
When water is used to fight a fire on board a ship，the effect of the weight of the water must be taken into account. How much sea water will increase the weight displacement by one ton?（）
Which fire extinguishing agent has the greatest capacity for absorbing heat?（）
When joining the female coupling of the fire hose to the male outlet of the hydrant，you should make sure that the（）.
When loading or discharging dry mud or cement，crew members should use facial respirator masks and（）.
Which extinguishing agent is effective in combating an isoprene fire?（）