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 NOT listed on the metallic name plate required to be attached to hand portable fire extinguishers?（）
What does the term head mean when applied to a fire pump?（）
There is a fire in the crew’s quarters of your vessel. You should（）.
Traditionally，the signal for fire aboard ship is（）.
The sprinkler system of a survival craft is used to（）.
The supply of carbon dioxide used in the fixed extinguishing system aboard a cargo vessel MUST be at least sufficient for（）.
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?（）
Under the Carriage of Goods by Sea Act of 1936，a vessel will be liable for damage to a cargo when the damage arises out of（）.
What is best suited for fighting a fire in a ballast control room?（）