A.life boat
B.helicopter
C.fire-fighting
D.medicine
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A.mattress fires
B.oil fires
C.wood fires
D.All of the above
A.should
B.shall
C.that
D.if
A.at the base of the flames
B.at the center of the flames
C.to the lee side of the flames
D.over the tops of the flames
A.a vessel is equipped with an automatic smoke or fire detecting system
B.the cargo hatches are of steel construction
C.the cargo is of a nonflammable type
D.there is sufficient fire protection located on the main deck adjacent to the cargo hatch
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
A.remove oxygen from the area
B.cool fuel below ignition temperature
C.smother with CO2
D.smother fire with foam
A.CO2 does not cool the fire
B.cylinders are regulated pressure vessels
C.C02 is not effective on class B fires
D.C02 is not effective on class C fires
A.Motor gasoline
B.Jet fuel
C.Crude petroleum
D.Alcohol
A.To replace a damaged life preserver
B.For use during fire drills
C.For use during boat drills
D.At no time
A.only when fully loaded
B.if one or more tanks are full
C.when transferring cargo
D.only when the barge is being towed
最新試題
The disadvantage of using CO2 is that the（）.
The BEST method of applying foam to a fire is to（）.
On a ship，a fire drill shall be conducted once every（）.
One advantage of the all-purpose nozzle is that it（）.
The all-purpose nozzle will produce a fog spray when you（）.
The canvas covering of fire hose is called the（）.
Prior to getting underway，the Master or person in charge of a ship must（）.
Removing which will extinguish a fire?（）.
Portable foam type fire extinguishers are most effective on（）.
Radiation spreads a fire by（）.