CTVET Ghana Certificate II - Carpentry Practice Questions - Commission For Technical And Vocational Education And Training Ghana Certificate II - Carpentry Exam

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Why is a standard carbon dioxide (CO2) extinguisher less effective than water for extinguishing a deep-seated Class A wood shavings fire?

CO2 reacts chemically with wood to increase burning. CO2 does not cool the glowing embers, allowing the fire to reignite once the gas dissipates. CO2 is highly toxic to wood fibers. CO2 can only be used on metal fires.

Correct Answer:

CO2 does not cool the glowing embers, allowing the fire to reignite once the gas dissipates.

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