单项选择题

Fire dampers prevent the spread of fire by（）.

A.convection
B.conduction
C.radiation
D.direct contact

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单项选择题

Fighting a rig fire in the ballast pumproom with hoses would adversely affect the stability of the rig most by（）.

A.increasing the permeability of the pumproom
B.reduction of drill water from the storage tanks
C.a list caused by water filling the compartment
D.a reduced KG caused by water filling the compartment

单项选择题

Fighting a rig fire in a watertight compartment with hoses could reduce the stability of the rig by（）.

A.progressive downflooding
B.reducing the level of drill water from the storage tanks
C.causing a list due to the water in the compartment
D.reducing the KG to minimum allowable

单项选择题

Each OSV must carry（）.

A.one category I 406 Mhz satellite EPIRB
B.at least one life buoy on each side of the vessel fitted with a buoyant life line
C.at least 12 rocket parachute flares
D.All of the above