A.painted red and labeled
B.concealed from the crew
C.protected by plexiglass
D.padlocked
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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
A.straw
B.booms
C.skimmers
D.chemical dispersants
A.CO2
B.dry chemical
C.water
D.foam
最新試題
There are two disadvantages to CO2 pump as a firefighting agent. One of these is the limited quantity available，and the other is（）.
Triethylene glycol fires may be extinguished by（）.
There is a fire in the crew’s quarters of your vessel. You should（）.
What is best suited for fighting a fire in a ballast control room?（）
What is an advantage of using foam in fire fighting?（）
The wooden plug inserted in the vent of a damaged tank of a ship should be removed in case it is decided to（）.
The straight stream capability of an all-purpose nozzle is used in fighting a class A fire to（）.
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 the most important characteristic of the extinguishing agent in fighting a class C fire?（）
What is required in addition to the heat，fuel，and oxygen of the fire triangle to have a fire?（）