单项选择题

Portable CO₂ fire extinguishers should NOT be used to inert a space containing flammable liquids due to the danger of（）.

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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单项选择题

Overhauling a fire in the living quarters on a vessel must include（）.

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

单项选择题

Operation of the valve control release on a fixed CO₂ system must immediately（）.

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

单项选择题

One of the limitations of foam as an extinguishing agent is that foam（）.

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

Portable CO2 fire extinguishers should NOT be used to inert a space containing flammable liquids due to the danger of（）.

相关考题

Portable CO₂ fire extinguishers should NOT be used to inert a space containing flammable liquids due to the danger of（）.