Division 2.3 covers poisonous or toxic gases. These are gases known to be so toxic to humans as to pose a health hazard during transportation, such as chlorine and hydrogen cyanide.
The CDL (Commercial Driver License) exam tests your knowledge of commercial driving rules, safety procedures, and vehicle operation. You must score 80% or higher to pass the written knowledge test. The exam covers general knowledge, air brakes, combination vehicles, and various endorsements.
This question is from the HazMat Endorsement Test #2 section. Practice with more questions from this category to build confidence before taking the official DMV test.
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