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单选题
When fighting an oil or gasoline fire in the bilge，which of the following should NOT be used?（）
A
Foam
B
Solid stream water nozzle
C
All-purpose nozzle
D
Carbon dioxide
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单选题The FIRST course of action in fighting a fire in a cargo or fuel oil tank is to （）.A
secure all openings to the tankB
discharge an initial charge of CO2 with a hand portable extinguisherC
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spray the tank boundaries with a fire hose to promote cooling
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单选题An engine compartment gasoline fire requires which type of extinguisher?（）A
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单选题A fire is considered "under control" when （）.A
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all fire-fighting equipment is at the sceneC
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单选题When possible，what is the FIRST step in fighting an engine fuel-pump fire which results from a broken fuel line?（）A
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单选题The FIRST step to take in fighting an engine room fire resulting from a ruptured fuel oil service line, is to （）.A
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stop the flow of leaking fuel oil
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单选题When fighting an electrical fire, you should first （）.A
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单选题When bilge water is heated in a holding tank, which one of the following statements is not accurate?（）A
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Most of the oil and organic solvents are raised to the top layerC
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单选题Oil water separators are used to ensure that ships don’t discharge oil when （） bilge water.A
to pump offB
being pumpedC
pumping outD
it pumping out
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单选题When sailing in cold zones, the（） should be heated.A
the steering gear roomB
the fire fighting pipe lineC
the fuel oil tankD
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单选题Which of the listed extinguishing agents is NOT suitable for fighting a liquid paint fire?（）A
Dry chemicalB
FoamC
WaterD
Carbon dioxide
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单选题When discharging bilge water, which criteria must be observed?（）A
The requirement for the oil content of bilge water discharged is 15 ppmB
No discharge in sensitive watersC
Any discharge in sensitive watersD
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单选题When fighting a fire with a portable dry chemical fire extinguisher，the stream should be directed（）.A
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off a bulkhead into the fireC
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change from diesel oil to heavy fuel oil for mail engineB
pump out bilge waterC
change sea chest form lower level one to high level oneD
test emergency generator
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