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
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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
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
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