The BAC (Blood Alcohol Concentration) for commercial drivers to be considered intoxicated when driving a commercial vehicle is:
Answer: B
0.04
A blood alcohol concentration (BAC) of 0.04 or greater is illegal for commercial drivers in the state of California. If found to have a BAC of this level, you will be arrested for DUI.
All choices
- A0.01
- B0.04
- C0.1
Why the other answers are wrong
A. 0.01
A BAC of 0.01 is below the legal limit for commercial drivers.
C. 0.1
A BAC of 0.1 is above the legal limit; the legal limit is 0.04 for commercial drivers.
CDL General Knowledge Test Info
Questions on Exam
50
Passing Score
80%
Time Limit
Typically 60 minutes; varies by testing location
The General Knowledge test content is federally standardized, so this question applies in every state. Age limits, fees, and testing procedures do vary — check your state's CDL requirements.
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