單項(xiàng)選擇題

Cargo transfer operations on a tanker need NOT be stopped when（）.

A.a tug comes alongside while the tanker is loading grade D and E cargoes
B.a large，fresh oil spill is discovered immediately adjacent to the side of the tanker
C.there is an electrical storm in the vicinity
D.there is a fire on the dock or on a nearby vessel

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單項(xiàng)選擇題

Blocking open or removing fire dampers can cause（）.

A.fixed foam systems to be ineffective
B.faster cooling of the fire
C.the accumulation of explosive gases
D.the fire to spread through the ventilation system

單項(xiàng)選擇題

Before using a fixed CO₂ 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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Cargo transfer operations on a tanker need NOT be stopped when（）.

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Blocking open or removing fire dampers can cause（）.

Before using a fixed CO2 system to fight an engine room fire，you must（）.

Before using a fixed CO₂ system to fight an engine room fire，you must（）.