Question 823Deck General70% to pass
In accordance with U.S. regulations which of the following is the proper label name for a class 4.3 substance?
AI Explanation
The correct answer is D) Dangerous when wet.
According to the U.S. Department of Transportation's Hazardous Materials Regulations, a Class 4.3 substance is classified as a "Dangerous when wet" material. This means the substance emits flammable gases when in contact with water, posing a fire hazard.
The other answer choices are incorrect because they do not accurately describe the Class 4.3 designation. Class A is for flammable liquids, Class B is for spontaneously combustible materials, and Class C is for flammable solids, which have different hazard characteristics compared to Class 4.3 dangerous when wet substances.
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