A.pack-strap carry
B.two man extremities carry
C.fireman's drag
D.four man log roll
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A.Fire a red flare at night or a red smoke signal by day
B.Send the Morse signal N by flashing light
C.Make a round turn (360°) and resume course
D.Make an S turn (hard right then hard left) and resume course
A.greater range
B.effectiveness on all types of fires
C.cleanliness
D.All of the above
A.a mattress
B.spilled liquids such as oil or paint
C.high voltage electrical gear
D.a trash can
A.carried by hand to a fire
B.carried or rolled to a fire
C.recharged in the field
D.used on class 'B' fires
A.electricity
B.fuel
C.oxygen
D.heat
最新試題
A passenger vessel is required to have a supervised patrol when（）.
A small fuel spillage has occurred during helicopter refueling. After the leak has been stopped and fire-control personnel have been notified and are standing by，the next step is to（）.
As an extinguishing agent，foam（）.
As compared to carbon dioxide，dry chemical has which advantage?（）.
A ship helicopter landing deck on which fueling operations are conducted must have a fire protection system that is capable of discharging at 100 psi pressure a foam spray of at least（）.
An ABC dry chemical fire extinguisher would be LEAST effective against a fire in（）.
At night while the ship is tied up to the dock，a fire breaks out in a cargo hatch. After sounding the alarm，what should the person on watch do?（）
Any ship damaging a pipe could（）an immediate danger of fire.
After extinguishing a fire with CO2，it is advisable to（）.
Any firefighting equipment that is carried in addition to the minimum required must（）.