A.incapable of supporting combustion because the hydrocarbon content is below the LFL (Lower Flammable Limit)
B.capable of supporting combustion because the hydrocarbon content is above the UFL (Upper Flammable Limit)
C.capable of supporting a fire once started
D.not safe for ballasting
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A.pull the nozzle handle all the way back toward the operator
B.pull the nozzle handle back to a position where the handle is perpendicular to the plane of the nozzle
C.push the nozzle handle forward as far as it will go
D.insert a fog applicator between the fire hose and nozzle
A.used only under the supervision and direction of a ship's officer
B.tightly capped and stowed with other tools near the job site when securing at the end of the day
C.used only when a pressurized fire hose is laid out ready for immediate use
D.in a metal container with a tight cap
A.subtle
B.dental
C.brittle
D.scuttled
A.in lieu of life preservers during fire drills
B.in lieu of life preservers during boat drills
C.in lieu of life preservers during an actual emergency
D.when carrying out duties near a weather deck's edge
A.Nitrogen
B.Carbon dioxide
C.Sodium
D.Oxygen
最新試題
Overhauling a fire in the living quarters on a vessel must include（）.
Prior to getting underway，the Master or person in charge of a ship must（）.
The all-purpose nozzle will produce a fog spray when you（）.
On a ship，watertight doors should be operated（）.
Portable CO2 fire extinguishers should NOT be used to inert a space containing flammable liquids due to the danger of（）.
The atmosphere in a tank is too lean if it is（）.
Shipping society approved buoyant work vests are considered to be items of safety equipment and may be worn by members of the crew（）.
The discharge from a carbon dioxide fire extinguisher should be directed（）.
On a ship，a fire drill shall be conducted once every（）.
The bilge pump on a fishing vessel（）.