A.3 nautical miles
B.5 nautical miles
C.12 nautical miles
D.25 nautical miles
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A.Because carbon dioxide dilutes the oxygen concentration in the atmosphere and may cause asphyxiation
B.Because carbon dioxide breaks down in a fire into carbon monoxide which may cause blood poisoning in the person breathing this gas
C.Because carbon dioxide is a colorless and odorless gas that becomes highly toxic in the presence of high temperatures and will quickly incapacitate a person exposed to this gas
D.This action is unnecessary as carbon dioxide is not poisonous nor toxic but is a relatively harmless gas
A.food waste
B.food, ground to less than 1"
C.paper, ground to less than 1"
D.None of the above
A.cigarette butts
B.oily rags
C.burner torches
D.lighted matches
A.harder it is to extinguish
B.easier it is to extinguish
C.less chance there is of re-ignition
D.easier it is to control
A.The designated person in charge
B.The tanker man
C.The senior able seaman
D.The oiler
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When does auxiliary burner of incinerator put into operation? ()Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish
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