Ohio Volunteer Firefighter Practice Exam

What type of fire extinguisher is most effective for kitchen fires involving oils and fats?

1. Class A

2. Class B

3. Class C

4. Class K

The correct answer is: Class K

The most effective type of fire extinguisher for kitchen fires involving oils and fats is Class K. This type of extinguisher is specifically designed to combat fires that are fueled by cooking oils, fats, and greases, which are common in kitchens—especially in commercial cooking settings. Class K extinguishers contain agents that not only extinguish the fire but also create a barrier between the flames and the oil, helping to prevent re-ignition. This is crucial in kitchen environments where these types of fires can quickly escalate if not handled properly. Class K extinguishers typically use potassium acetate or a similar agent, which is highly effective in these situations. Understanding the specific properties and appropriate applications of different extinguisher classes is vital for effectively responding to potential fire hazards in any setting, particularly in the kitchen.