A.mattress fires
B.oil fires
C.wood fires
D.All of the above
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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
A.the CO2 being inhaled by personnel
B.reflash of burning liquids
C.vapor condensation on the extinguisher
D.the discharge causing a static spark
A.opening dead spaces to check for heat or fire
B.evacuation of the vessel
C.sounding the all clear signal
D.operation of the emergency generator
A.release CO2 to the protected space
B.secure all mechanical ventilation in the protected space
C.sound the rig's general alarm signal for a fire
D.sound an alarm in the ballast control room
A.cannot be made with salt water
B.is heavier than oil and sinks below its surface
C.is corrosive and a hazard to fire fighters
D.conducts electricity
最新試題
Once a vessel has loaded packaged hazardous cargo，the cargo spaces shall be inspected. The spaces shall also be inspected at least once in every 24 hours. The only exception to daily inspection is when（）.
On a ship，watertight doors should be operated（）.
The disadvantage of using CO2 is that the（）.
Regular foam can be used on all but which flammable liquid?（）
The discharge side of every fire pump must be equipped with a（）.
The all-purpose nozzle will produce a fog spray when you（）.
Portable foam type fire extinguishers are most effective on（）.
On a ship，a fire drill shall be conducted once every（）.
Recharging a previously used cartridge-operated dry-chemical extinguisher is accomplished by（）.
Small quantities of flammable liquids needed at a work site should be（）.