單項(xiàng)選擇題In which of the areas listed is a fire resulting from spontaneous combustion most likely to occur?（）

A.Engine room bilges
B.Paint locker
C.Battery storage locker
D.Fuel oil tank


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2.單項(xiàng)選擇題Why should you wear a self-contained breathing apparatus before entering the engine room after the fixed CO2 system has been discharged to combat a major fire?（）

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

3.單項(xiàng)選擇題A person on a fixed, or floating platform engaged in oil exploration, located 10 nautical miles from nearest land MAY discharge （）.

A.food waste
B.food, ground to less than 1"
C.paper, ground to less than 1"
D.None of the above

4.單項(xiàng)選擇題Fires resulting from spontaneous combustion are usually caused by the improper disposal of（）.

A.cigarette butts
B.oily rags
C.burner torches
D.lighted matches

5.單項(xiàng)選擇題The longer an oil fire is permitted to burn, the （）.

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