单项选择题
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
To lubricate the swivel or remove corrosion from a fire...
单项选择题To lubricate the swivel or remove corrosion from a fire hose coupling，you should use（）.
A.glycerine B.graphite C.kerosene D.fresh water and soap
To determine if a CO2 fire extinguisher is fully charge...
单项选择题To determine if a CO2 fire extinguisher is fully charged，you would（）.
A.Operate the trigger valve B.Weigh the extinguisher C.Test with a pressure gauge D.Read the date of last test
There is a fire in the crew’s quarters of your vessel. ...
单项选择题There is a fire in the crew’s quarters of your vessel. You should（）.
A.ventilate the quarters as much as possible B.prepare to abandon ship C.close all ventilation to the quarters if possible D.attempt to put the fire out yourself before sounding the alarm
