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
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A.fuel tanks
B.spark plugs
C.carburetors
D.distributors
A.remotely operated valves
B.fusible links
C.C02 system pressure switches
D.heat or smoke detectors
A.remote operated valve
B.fusible link
C.CO2 system pressure switch
D.heat or smoke detector
A.accumulation of carbon dioxide gas that chokes the battery
B.accumulation of explosive and toxic gases the battery can generate
C.mildew or dry rot in the battery box
D.battery failure including battery case meltdown caused by excessive heat
A.Paints，varnish，or other liquid flammables are stowed in a dry stores locker
B.Inert cargoes such as pig iron are loaded in a wet condition
C.Oily rags are stowed in a metal pail
D.Clean mattresses are stored in contact with an electric light bulb
最新試題
Dry chemical fire extinguishers are effective on which type(s) of fire?（）
Each hand portable fire extinguisher must be marked with（）.
Before using a fixed CO2 system to fight an engine room fire，you must（）.
During a training exercise a submarine indicating that a torpedo has been fired will send up smoke from a float. The smoke’s color will be（）.
On a hydrocarbon flammability chart the line which extends from 0% to 21.8% oxygen，lying tangent to the flammability range，is called the（）.
Due to the hazards involved with Halon extinguishers on a ship，the size II extinguisher may only be used（）.
Each fire hydrant must have at least one spanner and at least one（）.
Each fire hydrant serving machinery spaces containing oil fired boilers，internal combustion machinery，or oil fuel units must be equipped with a（）.
Blocking open or removing fire dampers can cause（）.
Convection spreads a fire by（）.