A.subtle
B.dental
C.brittle
D.scuttled
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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
A.transferring heat across an unobstructed space
B.heated gases flowing through ventilation systems
C.burning liquids flowing into another space
D.transmitting the heat of a fire through the ship's metal
最新試題
Prior to getting underway,the Master or person in charge of a ship must().
Each crewmember has an assigned firefighting station. This assignment is shown on the().
Operation of the valve control release on a fixed CO2 system must immediately().
The all-purpose nozzle will produce a fog spray when you().
The discharge side of every fire pump must be equipped with a().
Portable fire extinguishers must be provided for the cargo tank area of an unmanned tank barge().
On a ship,a fire drill shall be conducted once every().
On a ship,when may a work vest be substituted for a required life preserver?()
Removing which will extinguish a fire?().
The discharge from a carbon dioxide fire extinguisher should be directed().