Practice question

If operating a school bus, you are considered to be driving under the influence of alcohol if you have a minimum blood alcohol content (BAC) of:

  1. 0.02 percent.
  2. 0.04 percent.
  3. 0.08 percent.
  4. 0.1 percent.

Answer: A — 0.02 percent.

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Practice more: Pennsylvania CDL Class A Knowledge Test 2 →