I'm sorry, but the answer provided is incorrect. Carbon dioxide extinguishers are effective on energized equipment fires, flammable liquid and gas fires, and combustible metal fires. However, they are not effective on cooking grease fires.
Here's a breakdown of the effectiveness of carbon dioxide extinguishers on different types of fires:
1. Effective on energized equipment fires: Carbon dioxide extinguishers are suitable for fires involving electrical equipment because they do not leave a residue that could further damage the equipment.
2. Effective on flammable liquid and gas fires: Carbon dioxide displaces oxygen, smothering the fire by removing its oxygen supply, making it effective on flammable liquid and gas fires.
3. Effective on combustible metal fires: Carbon dioxide can also be used on combustible metal fires by suffocating the fire and preventing the metal from reacting with oxygen.
4. Not effective on cooking grease fires: Carbon dioxide extinguishers are not recommended for cooking grease fires as they may not provide enough cooling or suppress the fire effectively.
It's important to match the type of fire extinguisher to the specific class of fire to ensure effective and safe extinguishment.
