單項(xiàng)選擇題Dangerous goods required to be “carried on deck only” should not be carried on closed vehicle decks,but may be carried on open vehicle deck when authorized by the competent authority concerned. ()

A.under deck
B.on deck
C.ondeck only
D.under deck only


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1.單項(xiàng)選擇題Cottonseed oil is classed as a().

A.combustible liquid
B.flammable liquid
C.flammable solid
D.poison B

2.單項(xiàng)選擇題Corrosive liquids and acids should have what kind of label? ()

A.Skull and crossbones
B.Yellow
C.Red
D.White

3.單項(xiàng)選擇題COMPATIBILITY OF GOODS states().

A.the method for the proper stowage of a dangerous cargo
B.the necessity of lashing,securing and piling of awkward or lengthy cargo
C.whether different goods can be stowed together in one hold
D.ventilation method for hydrous cargo

4.單項(xiàng)選擇題Certain dangerous goods are required “to be stowed in a mechanically ventilated space”. When such goods are carried in a closed Ro/Ro cargo space or a special category space,this space should().

A.be mechanically operated
B.be temperature controlled
C.be mechanically ventilated
D.not allow to run its refrigeration or heating equipment

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

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