Practice question

What maximum air loss does Alberta allow during the applied leak test after the system stabilizes?

  1. 1 PSI total for any combination
  2. 10 PSI for power units only
  3. 20 PSI per trailer
  4. 4 PSI for power units, plus an additional 2 PSI per trailer

Answer: D — 4 PSI for power units, plus an additional 2 PSI per trailer

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