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


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你可能感興趣的試題

1.單項(xiàng)選擇題During oil transfer operations, who would be responsible to guarantee that the posted transfer procedures are being followed?（）

A.The designated person in charge
B.The tanker man
C.The senior able seaman
D.The oiler

2.單項(xiàng)選擇題In the event of a fire, the doors to a stair tower must be closed to prevent the spread of fire by （）.

A.convection
B.conduction
C.radiation
D.ventilation

3.單項(xiàng)選擇題When an oil fire has been extinguished, the surface of the oil should be kept covered with foam to prevent （）.

A.air from contacting the oil vapors
B.permitting re-ignition boiling of the heated oil
C.spontaneous combustion below the oil surface
D.toxic fumes from escaping to the surface

4.單項(xiàng)選擇題The process that occurs when heat is generated by a chemical reaction within a substance and continues to a point of ignition is known as （）.

A.chemical ignition
B.spontaneous combustion
C.chemical combustion
D.radiation ignition

5.單項(xiàng)選擇題A vessel sailing through the specific special areas may discharge or dispose of （）.

A.incinerated ash at anytime
B.fairly dense material that will sink, i√emetal cans or glass bottles at anytime
C.victual waste when at least 12 nautical miles from shore
D.absolutely no garbage at anytime