What is the BAC limit for a CDL driver who is under 21 years of age?

a.0.04%

b.0.08%

c.0.02%

d.0.00%

Explanation

CDL drivers under 21 years of age have a BAC limit of 0.02%. This stricter limit reflects the zero-tolerance approach to underage drinking and driving.

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About the CDL Exam

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 Class B CDL Knowledge Test #1 section. Practice with more questions from this category to build confidence before taking the official DMV test.

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