單項(xiàng)選擇題To remedy a leaking fire hose connection at the hydrant，secure the valve and（）.

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


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1.單項(xiàng)選擇題To prevent the spread of fire by conduction you should（）.

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

2.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

3.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

4.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

5.單項(xiàng)選擇題There is a fire aft aboard your vessel. To help fight the fire，you should（）.

A.put the wind off either beam
B.head the bow into the wind and decrease speed
C.put the stern into the wind and increase speed
D.put the stern into the wind and decrease speed