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Answer :
Electrical fire extinguisher – CO2 is the best fire extinguisher for use.
An electrical fire extinguisher is a fire extinguisher that is specifically designed to extinguish fires that involve electrical equipment. These fire extinguishers typically have a higher voltage rating than other types of fire extinguishers, and they are designed to safely discharge electrical energy without harming the user.
Electrical fire extinguishers are an important part of any fire safety plan, and they can be used to quickly and safely extinguish fires in a variety of settings. In order to stop a fire from spreading, fire extinguishers use a substance to cut off the oxygen supply.
Hence, the correct option is "E".
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Using water on a Class C (flammable gas) or Class D (combustible metal) fire can actually exacerbate the situation. Similarly, using a CO2 extinguisher on a Class A fire might not be effective in extinguishing the fire completely. Always refer to the fire extinguisher's labeling and instructions before use, and if in doubt, evacuate the area and call the fire department.
The correct fire extinguisher types to use for the given classes of fires are as follows:
- For a Class A fire, which involves ordinary combustibles like wood, paper, and cloth, one can use water, water mist, foam, dry powder, or wet chemical extinguishers.
- For a Class B fire, which involves flammable liquids or gases, water mist, foam, dry powder, CO2, or some wet chemical extinguishers are suitable.
- For a Class C fire, which involves flammable gases, water mist or dry powder extinguishers should be used.
- For a Class D fire, which involves combustible metals, only specialist dry powder extinguishers are effective.
- For an electrical fire, where the risk of electric shock is present, a CO2 extinguisher is recommended. Once the electrical supply has been shut off, other types of extinguishers may also be used, but CO2 is safe to use without shutting off the electricity.
- For a Class F fire, which involves cooking oils and fats, water mist or wet chemical extinguishers are appropriate.
It is important to note that using the wrong type of fire extinguisher can be dangerous and ineffective. For example, using water on a Class C (flammable gas) or Class D (combustible metal) fire can actually exacerbate the situation. Similarly, using a CO2 extinguisher on a Class A fire might not be effective in extinguishing the fire completely. Always refer to the fire extinguisher's labeling and instructions before use, and if in doubt, evacuate the area and call the fire department.