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Question 3200

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 concentration?

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

Correct answer: 0.25 milligrams per liter of exhaled air.

The two years you have held an AM license count toward the period during which the reduced alcohol limit applies. Obtaining a 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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