CDL Hazardous Materials Practice Test

Question: 1 / 400

Which of the following is an example of a flammable material?

Water

Gasoline

Gasoline is a prime example of a flammable material because it has a low flash point, which means it can easily ignite at relatively low temperatures. This characteristic makes gasoline capable of forming ignitable vapors that can catch fire when exposed to an open flame or spark. Its chemical composition allows it to burn rapidly when mixed with air, creating a significant fire hazard.

In contrast, water, salt, and sand are not classified as flammable materials. Water is a non-flammable substance often used to extinguish fires, salt does not burn, and sand is an inert material that can actually be used to smother flames and inhibit combustion. This fundamental difference in the chemical properties of these materials establishes why gasoline stands out as a flammable substance in this context.

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Salt

Sand

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