单项选择题
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
During oil transfer operations, who would be responsibl...
单项选择题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
In the event of a fire, the doors to a stair tower must...
单项选择题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
When an oil fire has been extinguished, the surface of ...
单项选择题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
