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 collision bulkhead shall be of（）.
One advantage of the all-purpose nozzle is that it（）.
The canvas covering of fire hose is called the（）.
The best method of extinguishing a class A fire is to（）.
Recharging a previously used cartridge-operated dry-chemical extinguisher is accomplished by（）.
On a ship，when may a work vest be substituted for a required life preserver?（）
Portable foam type fire extinguishers are most effective on（）.
Lifesaving regulations require that a fire drill include（）.
The discharge side of every fire pump must be equipped with a（）.
Small quantities of flammable liquids needed at a work site should be（）.