單項選擇題Before using a fixed C02 system to fight an engine room fire,you must（）.

A.secure the engine room ventilation
B.secure the machinery in the engine room
C.evacuate all engine room personnel
D.ALL of the above


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1.單項選擇題By regulation, cargo tanks must be inert before and during what operation?（）.

A.Stripping
B.Loading
C.Cleaning
D.Crude oil washing

2.單項選擇題By the stowage factor,when given a certain volume of space, we know（）.

A.the space of the ship
B.the space of one ship
C.what kind of cargo can be stowed
D.how much cargo can be stowed

3.單項選擇題Captain said that very clearly so that nobody was in any（）about what was meant?

A.doubt
B.question
C.wonder
D.consideration

4.單項選擇題Carbon dioxide as a fire fighting agent has which advantage over other agents?（）.

A.It causes minimal damage
B.It is safe for personnel
C.It is cheaper
D.It is most effective on a per unit basis

5.單項選擇題Certain cargoes must be segregated because of their（）.

A.inherent characteristics
B.weight
C.destination
D.danger to humans