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
Removing which will extinguish a fire?（）.
One of the limitations of foam as an extinguishing agent is that foam（）.
On a ship，when may a work vest be substituted for a required life preserver?（）
The carrier is liable for loss of or damage to the goods or delay in delivery caused by fire，（）the claimant proves that the fire arose from fault or neglect on the part of the carrier，his servants or agents.
The blocking or absence of fire dampers can cause（）.
The brickwork surrounding the firebox of a boiler is known as（）.
The BEST method of applying foam to a fire is to（）.
The atmosphere in a tank is too lean if it is（）.
One disadvantage of using regular dry chemical (sodium bicarbonate) in firefighting is that（）.
Regular foam can be used on all but which flammable liquid?（）