单项选择题

Traditionally，the signal for fire aboard ship is（）.

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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热门试题

单项选择题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

单项选择题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

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

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

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