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
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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
A.it can break down under high heat and emit noxious fumes
B.it will decompose under prolonged storage and lose its effectiveness
C.fire has been known to flash back over the surface of an oil fire
D.it is ineffective in fighting fires in high-voltage electrical equipment
A.can fit any size hose
B.converts a stream of water into a fog
C.increases the amount of water reaching the fire
D.can spray two streams of water at the same time
最新試題
The best method of extinguishing a class A fire is to().
The collision bulkhead shall be of().
Recharging a previously used cartridge-operated dry-chemical extinguisher is accomplished by().
Overhauling a fire in the living quarters on a vessel must include().
The discharge from a carbon dioxide fire extinguisher should be directed().
On a ship,watertight doors should be operated().
How long must the records of tests and inspections of fire fighting equipment on board a ship be retained on board?()
Each crewmember has an assigned firefighting station. This assignment is shown on the().
The all-purpose nozzle will produce a fog spray when you().
Shipping society approved buoyant work vests are considered to be items of safety equipment and may be worn by members of the crew().