Manitoba Class 3 Drivers Licence Practice Test

Why should water not be thrown on a gasoline, oil, or grease fire?

1. It can cause an explosion

2. It spreads the fire

3. It makes the fire hotter

4. Water and oil are friends

The correct answer is: It spreads the fire

Water should not be thrown on a gasoline, oil, or grease fire because it spreads the fire. When water is added to these types of fires, it can cause hot oil and grease to splatter and spread the fire to other areas. Additionally, water can also sink below the surface of a gasoline fire and spread out, making it difficult to extinguish. It also does not mix well with oil and can create a steam explosion, further spreading the fire. This is why it is important to use the correct type of fire extinguisher for these types of fires and not rely on water. Option A is incorrect because while water can cause an explosion in certain situations, this is not the main reason why it should not be used to put out a gasoline, oil, or grease fire. Option C is incorrect because adding water does not make the fire hotter, it simply spreads it. Option D is