PE Air Brake Test 4
- Perfect for first-time and renewal commercial applicants, and those adding endorsements
- Based on 2024 PE commercial driver's licence manual
- Triple-checked for accuracy
- Updated for December 2024
Do you want to drive a truck in Prince Edward Island? To be a commercial driver in this province, you need a licence that is specific to the type of truck you want to drive. As a truck driver, you are a critical part of the transportation industry. The power and size of large trucks are awe-inspiring. Even while you’re driving safely, the smallest mistake can cause serious damage. Before you can get your commercial driver’s licence, you must pass both a written and practical test. The written test (also known as the Prince Edward Island commercial driver’s licence knowledge exam) has several multiple-choice questions. You must get at least an 80% to pass the knowledge examination. This 50-question practice test will help you to prepare for the Prince Edward Island (PE) Air Brake written test required to get your commercial driver’s licence. As you answer the questions on this test, we recommend checking each question’s explanation to gain further insight into the rule behind it. All questions on this test are based on the 2024 PE commercial driver’s guide. Good luck and drive safely!
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- How often should the air tanks be drained?
- On a tractor-trailer, if the supply and service lines to the trailer are cross-connected, what may happen?
- How do you release DD3 safety actuator brakes?
- When you're going to tow a trailer, how can you tell if the trailer's antilock braking system (ABS) is working?
- Wedge brakes are
- The purpose of the tractor protection valve is
- To test the tractor protection valve, disconnect the trailer service line and
- In a tractor-trailer, the connections between the tractor and the trailer include which of the following components?
- The hand valve control ("spike") applies
- Which brakes are more powerful, the spring brakes or the service brakes?
- Which of the following is NOT a part of a truck's braking system?
- A tractor-trailer's braking system supplies compressed air to which trailer brakes FIRST?
- An S-cam is found in
- When coupling a tractor to a trailer, how many air lines do you have to connect?
- If there is a loss of air to the service brakes in a trailer with a spring brake priority system, how can you brake the trailer to a stop?
- In a trailer with a spring brake priority system, compressed air is supplied to which brakes FIRST?
- How many air lines must be connected to a DD3 safety actuator brake chamber?
- The tractor protection valve closes to stop the flow of compressed air to
- To uncouple your tractor from the trailer, how should you set the trailer air supply valve?
- Which of the following is not a component of a wedge brake?
- How often should you check brake chamber pushrod travel?
- Which of the following is a part of a disc brake?
- In an air braking system, which of the following is not commonly part of a disc brake?
- Which of the following are helpful in reducing heat in the air brake system?
- Which of the following can affect pushrod stroke?
- If you find a major defect in the air brake system, you should
- How can you determine applied pushrod stroke?
- Which is least likely to cause brake drums to overheat?
- When must full braking capability be available?
- In Canada, antilock braking systems (ABS) have been mandatory on all trucks and buses over 4,560 kg that have been manufactured since
- Which of the following is the best way to inspect an air compressor?
- When can you adjust automatic slack adjusters?
- If the outer layer of an air line is damaged, but the inner tube is still OK, what should you do?
- To make sure the air tanks are securely attached to your vehicle, you should
- Before inspecting your air brakes, you should
- Your vehicle passes the tug test of the parking brakes if
- If the brake chambers on opposite sides of an axle are of different sizes, the result may be
- To check the brake chambers for leaks, you should
- in a drum brake, the brake lining is fastened to
- Compared with the service tanks, how much moisture should the supply tank discharge?
- If a vehicle's speed is doubled, by how much must the braking force be increased to stop in the same distance?
- What is the optimal operating temperature for most brake linings?
- Approximately how long does it take from identifying a hazard to applying the brakes?
- What is the maximum operating temperature for most brake linings?
- Above what pressure will the compressor not have to pump air in the system?
- The compressor must start pumping air into the system by the time that air pressure falls to
- Which of the following is not one of the main components in a basic air brake system capable of stopping a vehicle?
- Overheating in brakes could lead to what adverse condition?
- When both the weight and speed of a vehicle are doubled, the braking force must be adjusted by what factor to stop in the same distance?
- What term is used to describe the time taken for air to travel through a properly maintained air brake system?