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Question 1543

A driver has held a category AM license for two years and has just obtained a category B license. What is their maximum permitted alcohol level?

  1. 0.30 milligrams per liter of exhaled air.
  2. 0.15 milligrams per liter of exhaled air.
  3. 0.25 milligrams per liter of exhaled air.
Show answer and explanation

Correct answer: 0.25 milligrams per liter of exhaled air.

The two years for which the AM license has been held count toward the period with a reduced alcohol limit. Obtaining a category B license afterward does not restart that period, so the general limit of 0.25 mg/l of exhaled air applies.

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