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單項(xiàng)選擇題

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

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單項(xiàng)選擇題

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

單項(xiàng)選擇題

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

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To lubricate the swivel or remove corrosion from a fire hose coupling，you should use（）.

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To determine if a CO2 fire extinguisher is fully charged，you would（）.

There is a fire in the crew’s quarters of your vessel. You should（）.

To lubricate the swivel or remove corrosion from a fire hose coupling，you should use（）.

To determine if a CO₂ fire extinguisher is fully charged，you would（）.