單項(xiàng)選擇題Fire in an engine compartment is best extinguished with carbon dioxide gas (CO2) and by().

A.completely closing the compartment
B.closing the compartment except for the ventilators
C.leaving the compartment open to the air
D.increasing the air flow to the compartment by blowers


您可能感興趣的試卷

你可能感興趣的試題

1.單項(xiàng)選擇題Fire extinguishers used on ship’s are numbered by size I through V,with I being().

A.used for electrical fires only
B.the smallest
C.the most accessible
D.the most effective

2.單項(xiàng)選擇題Fire dampers prevent the spread of fire by().

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

3.單項(xiàng)選擇題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

4.單項(xiàng)選擇題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

5.單項(xiàng)選擇題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