單項選擇題

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

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單項選擇題

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

單項選擇題

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