單項(xiàng)選擇題

What’s the advantage of oily water separator that meets the requirement of MEPC 60(33) over MEPC 107(49)?（）

A.more economic
B.larger capacity on oil treatment
C.less costive
D.more capable of separating emulsified oil

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單項(xiàng)選擇題

Which of the following methods might be used as the treatment on emulsified oil?（）

A.gravity separation
B.centrifuge
C.Cyclone
D.Cross-flow membrane filtration

單項(xiàng)選擇題

When discharging bilge water, which criteria must be observed?（）

A.The requirement for the oil content of bilge water discharged is 15 ppm
B.No discharge in sensitive waters
C.Any discharge in sensitive waters
D.International, national or local requirements have to be observed