Colorado Security Officer Jurisprudence Practice Exam

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How do you put out a Class C fire?

Water
Gas
Foam
Baking soda

The correct answer is: Baking soda

To put out a Class C fire, which involves energized electrical equipment, the most effective method is to use a fire extinguisher that can safely suppress flames without conducting electricity. Baking soda is an effective agent because it can smother small fires, particularly those involving electrical materials. When heated, baking soda releases carbon dioxide, which can help to smother the fire, cutting off the oxygen supply needed for combustion. Other methods are not appropriate for this class of fire. For example, water can conduct electricity and poses a significant risk of shock when used on electrical fires. Using gas may fuel the fire further, making it more dangerous. Foam extinguishers are generally suited for flammable liquids and not recommended for Class C fires due to the electrical risks involved. Therefore, using baking soda helps to address the fire safely by avoiding any electrical hazards.