Hazard Class 4 covers which category?

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Prepare for the Wisconsin Fire Inspector I Test. Study effectively with flashcards and detailed multiple-choice questions. Each question is complemented with hints and explanations to ensure comprehensive learning. Maximize your confidence and readiness for the exam!

Multiple Choice

Hazard Class 4 covers which category?

Explanation:
Hazard Class Four is about solids that pose a fire risk because they ignite easily. This includes flammable solids that can catch fire from friction or heat, substances that may ignite spontaneously, and materials that release flammable gas when in contact with water. In this set, the descriptor that fits Class Four is Flammable/Combustible Solids. The other options point to different hazard classes: poisonous/infectious substances belong to a different class, organic peroxides are treated as a separate oxidizing/reactive category, and explosives and blasting agents are classified as a separate class altogether.

Hazard Class Four is about solids that pose a fire risk because they ignite easily. This includes flammable solids that can catch fire from friction or heat, substances that may ignite spontaneously, and materials that release flammable gas when in contact with water. In this set, the descriptor that fits Class Four is Flammable/Combustible Solids. The other options point to different hazard classes: poisonous/infectious substances belong to a different class, organic peroxides are treated as a separate oxidizing/reactive category, and explosives and blasting agents are classified as a separate class altogether.

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