Practice question

What is the basic role of an air compressor in an air brake system?

  1. It stores fuel for the engine
  2. It takes in air, pressurizes it, and pumps it into storage tanks
  3. It steers the trailer wheels
  4. It replaces the need for brake inspections

Answer: B — It takes in air, pressurizes it, and pumps it into storage tanks

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

Practice more: Alberta Class 1 Commercial Practice Questions - Alberta Class 1 Commercial Driver Knowledge Test Exam →