單項選擇題

Waste oil should（）

A.be treated according to the C-Es command exactly
B.be treated according to MARPOL
C.accumulate in bilges or on tank tops in accordance with MARPOL
D.discharge to sea at the specified areas

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單項選擇題

All items such as steam pipes, exhaust pipes and fittings which, because of their location and operating temperature, present a hazard should be adequately lagged.That means the items should（）

A.not be put into operation too early
B.be pay adequate attention to
C.be used only when necessary
D.be coated with certain material

單項選擇題

In machinery space, the valves, pipes should be（）

A.arranged as close to each other as possible to save space
B.arranged far away from each other for convenient operation
C.be fixed or clamped to avoid vibration
D.kept easy removable as to convenient repairing work