Question : Which among the following is used in fire extinguishers?
I. carbon dioxide
II. oxygen
III. sulphur dioxide
Option 1: Only I
Option 2: Only II
Option 3: Only III
Option 4: All options are correct.
Correct Answer: Only I
Solution : The correct option is Only I .
Fire extinguishers use Carbon dioxide for fire suppression. They release Carbon Dioxide(CO 2 ), a non-flammable gas that displaces oxygen, effectively smothering the flames. This method is suitable for tackling Class B fires involving flammable liquids and gases, as well as Class C fires that involve electrical equipment.
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