A.dry chemical
B.alcohol foam
C.carbon dioxide
D.All of the above
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A.more than 6 short blasts and 1 long blast on the whistle，and the same signal on the general alarm
B.continuous sounding of the ship's whistle and the general alarm for at least 10 seconds
C.1 short blast on the whistle
D.alternating short and long blasts on the ship's whistle
A.replace the gasket in the male coupling
B.reduce fire pump pressure
C.replace the gasket in the female coupling
D.rethread the male coupling
A.cool the bulkheads around the fire
B.remove combustibles from direct exposure
C.close all openings to the area
D.shut off all electric power
A.glycerine
B.graphite
C.kerosene
D.fresh water and soap
A.Operate the trigger valve
B.Weigh the extinguisher
C.Test with a pressure gauge
D.Read the date of last test
最新試題
What is required in addition to the heat，fuel，and oxygen of the fire triangle to have a fire?（）
Ventilation systems connected to a compartment in which a fire is burning are normally closed to prevent the rapid spread of the fire by（）.
There is a fire in the crew’s quarters of your vessel. You should（）.
What is an advantage of using foam in fire fighting?（）
What is the most vulnerable part of the fire main system on board an offshore rig?（）
What is the MOST important consideration when determining how to fight an electrical fire?（）
What is NOT a characteristic of carbon dioxide fire-extinguishing agents?（）
The supply of carbon dioxide used in the fixed extinguishing system aboard a cargo vessel MUST be at least sufficient for（）.
To determine if a CO2 fire extinguisher is fully charged，you would（）.
What are the most important reasons for using water fog to fight fires?（）