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Practice quizzes / BC Class 2 Bus Practice Questions - British Columbia Class 2 Commercial Bus Driver's License Knowledge Test Exam / Question 55427
Practice question

What is the normal operating pressure range for a commercial vehicle air brake system?

  1. 30 to 60 psi
  2. 60 to 90 psi
  3. 100 to 120 psi (690 to 828 kPa)
  4. 150 to 200 psi

Answer: C — 100 to 120 psi (690 to 828 kPa)

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

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