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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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
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
最新試題
What is an advantage of using foam in fire fighting?（）
Ventilation systems connected to a compartment in which a fire is burning are normally closed to prevent the rapid spread of the fire by（）.
What is NOT listed on the metallic name plate required to be attached to hand portable fire extinguishers?（）
What is meant by the term overhaul in firefighting?（）
The straight stream capability of an all-purpose nozzle is used in fighting a class A fire to（）.
What does the term head mean when applied to a fire pump?（）
The spread of fire is NOT prevented by（）.
To remedy a leaking fire hose connection at the hydrant，secure the valve and（）.
The spread of fire is prevented by（）.
What are the most important reasons for using water fog to fight fires?（）