Crist CDL free online BVM practice tests
CA Hazardous Material Fact Sheet
Questions on Test:
30
Correct answers needed to pass:
24
Passing Score:
80%
Age to apply:
18
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How many different hazard classes are there?

Possible Answers:

9
23
24
Answer:
9
Explanation:
Hazardous materials are categorized into nine major hazard classes and additional categories for consumer commodities and combustible liquids.

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