單項(xiàng)選擇題

Which of the following is the stated proper sequence before commencing cargo operations aboard Ro-Ro vessels?（）

A.Start ventilation，lower the ramp，notify engine room
B.Lower the ramp，start ventilation，notify engine room
C.Notify engine room，lower the ramp，start ventilation
D.Start ventilation，notify engine room，lower the ramp

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單項(xiàng)選擇題

Which of the following is suitable for bagged cargo?（）.

A.hydraulically operated pusher
B.spread beam sling
C.revolving roll clamping device
D.platform sling

單項(xiàng)選擇題

Which of the following element(s) should be taken into account in the preparation of the “Cargo Securing Manual”? （）

A.Duration of the voyage
B.Types of cargo units and vehicles to be carried
C.Weight of cargo units and vehicles
D.All of the above