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
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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
A.Motor gasoline
B.Jet fuel
C.Crude petroleum
D.Alcohol
A.authorized fire equipment servicing personnel only
B.replacing the propellent cartridge and refilling with powder
C.puncturing the cartridge seal after installation
D.recharging the cartridge and refilling it with powder
最新試題
The disadvantage of using CO2 is that the（）.
The collision bulkhead shall be of（）.
Portable foam type fire extinguishers are most effective on（）.
Shipping society approved buoyant work vests are considered to be items of safety equipment and may be worn by members of the crew（）.
Portable fire extinguishers must be provided for the cargo tank area of an unmanned tank barge（）.
The blocking or absence of fire dampers can cause（）.
How long must the records of tests and inspections of fire fighting equipment on board a ship be retained on board?（）
Each crewmember has an assigned firefighting station. This assignment is shown on the（）.
Removing which will extinguish a fire?（）.
Portable CO2 fire extinguishers should NOT be used to inert a space containing flammable liquids due to the danger of（）.