A.flash point
B.upper explosive limit
C.lower explosive limit
D.fire point
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A.cooling
B.smothering
C.chemical action
D.All of the above
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
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
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
A.immediately above the level of the oil
B.at the top of the tank
C.in the vent riser
D.one meter from the deck
最新試題
Before using a fixed CO2 system to fight an engine room fire，you must（）.
On a hydrocarbon flammability chart the line which extends from 0% to 21.8% oxygen，lying tangent to the flammability range，is called the（）.
Each fireman’s outfit and its spare equipment on a vessel must be stowed（）.
Controls for a fixed carbon dioxide system shall be mounted（）.
Each fire hose coupling on a ship must have threads that meet the specifications of the（）.
During the required periodic abandon ship drill aboard a ship，each person not assigned duties in the muster list is（）.
Before a tank is to be crude oil washed，the oxygen content in the tank must be measured at a position（）.
A fire must be ventilated（）.
Control of fire on a ship should be addressed（）.
Each part of the fire-main system located on an exposed deck must be（）.