Classes of fires and fire extinguishers Exam Questions and Answers 100% Pass | Verified and Updated

Classes of fires and fire extinguishers
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1. Class A: What class of fire burns Wood, plastic, rags, rubber, and paper.
2. Class B: What class of fire burns Flammable liquids, such as grease, gasoline, oil, oil-based paints, and thinners.
3. Class C: What class of fire is In or near electrical equipment such as appliances, motors, switchboards, and
electrical wiring.
4. Class D: What class of fire has Combustible metals mainly found in factories, such as powdered aluminum and
magnesium.
5. Class K: What class of fire is Cooking media like vegetable oils and animal fat.
6. Class A fire extinguisher: What class of fire extinguisher is Used in class A fires and is a water based
extinguisher.
7. Class B fire extinguisher: What class of fire extinguisher uses Dry chemical powder for gasoline, oil, and
solvents. Used for all types of fires. This is in the shop.
8. Class C fire extinguisher: What class of fire extinguisher uses a liquid that turns into gas when it hits the
air. Used in class B and C fires. If used in class A it may spread the fire and if used on class D it can cause an explosion.
9. Class D fire extinguisher: What class of fire extinguisher uses Spray dry powder on combustible metals
like magnesium, titanium, aluminum, sodium, and potassium. Only used on combustible metals.
10. Class K fire extinguisher: What class of fire extinguisher uses Pressurized wet potassium acetate-based,
low pH agent. Used for class K fires such as cooking fires.




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