A.cooling surfaces adjacent to the fire
B.leaving combustibles in the endangered area
C.increasing the oxygen supply
D.All of the above
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A.shutting off the oxygen supply
B.cooling surfaces adjacent to the fire
C.removing combustibles from the endangered area
D.removing smoke and toxic gases by ensuring adequate ventilation
A.painted red and labeled
B.concealed from the crew
C.protected by plexiglass
D.padlocked
A.the name of the person conducting the test
B.the weight of the charge
C.recommendations for the next test
D.All of the above
A.removing the oxygen
B.cooling the fire below the ignition temperature
C.removing combustible material
D.diluting combustible vapors
A.extinguish the fire which triggers it
B.limit the spread of fire and control the amount of heat produced
C.protect people in the areas which have sprinkler heads
D.alert the crew to the fire
最新試題
Ventilation systems connected to a compartment in which a fire is burning are normally closed to prevent the rapid spread of the fire by（）.
Water fog from an all-purpose nozzle may be used to（）.
What is an advantage of using foam in fire fighting?（）
The spread of fire is NOT prevented by（）.
What is the most important characteristic of the extinguishing agent in fighting a class C fire?（）
Weight is considered during the periodic required inspection and servicing of（）.
The ventilation system of your ship has fire dampers restrained by fusible links. Which statement is TRUE?（）
What does the term head mean when applied to a fire pump?（）
There are two disadvantages to CO2 pump as a firefighting agent. One of these is the limited quantity available，and the other is（）.
To determine if a CO2 fire extinguisher is fully charged，you would（）.