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Practice quizzes / LK DMT Heavy Vehicle Written Practice Questions - Sri Lanka Department of Motor Traffic Heavy Vehicle Written Test Exam / Question 117032
Practice question

What is the normal operating air pressure range for a heavy vehicle's air brake system?

  1. 20 to 40 psi
  2. 50 to 75 psi
  3. 85 to 120 psi
  4. 150 to 200 psi

Answer: C — 85 to 120 psi

The correct answer is shown above. Try the full quiz for additional practice.

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