Alberta Class 1 Knowledge Practice Test 2026: Practice test 5

1. Question 1 of 25

   Which licence requires the Q endorsement before it can be issued?

   • AClass 1
   • BClass 6
   • CClass 7
   • DClass 5
   Show answer

   Answer: A. Class 1

   A Class 1 licence cannot be issued until you have the air brake endorsement.

2. Question 2 of 25

   When did the Alberta Air Brake Program begin?

   • AMarch 2019
   • BApril 2025
   • CJanuary 1970
   • DNovember 1990
   Show answer

   Answer: D. November 1990

   The program was established in November 1990 to train drivers to use air brakes safely.

3. Question 3 of 25

   Why should you not hold a combination on a hill with only the trailer hand valve?

   • AIt drains the fuel tank and stalls the engine
   • BIt is the safest way to hold a combination
   • CIt turns off the trailer lights and the horn
   • DThe trailer brakes can leak off, and using them alone risks a jackknife
   Show answer

   Answer: D. The trailer brakes can leak off, and using them alone risks a jackknife

   Do not rely on the trailer hand valve alone. Use the spring brakes to park.

4. Question 4 of 25

   In Alberta, who needs a Q (air brake) endorsement?

   • AOnly school bus drivers carrying students
   • BDrivers of Class 1, 2, 3, 4 or 5 vehicles that have air brakes
   • COnly drivers of vehicles over 30,000 kg
   • DOnly drivers who travel outside Alberta
   Show answer

   Answer: B. Drivers of Class 1, 2, 3, 4 or 5 vehicles that have air brakes

   Drivers of any licence class need the Q endorsement before operating a vehicle with air brakes.

5. Question 5 of 25

   Where do you take the air brake knowledge test in Alberta?

   • AAt any Alberta registry agent
   • BAt a hospital
   • CAt a weigh scale
   • DAt the driver training school
   Show answer

   Answer: A. At any Alberta registry agent

   Take your Notice to any registry agent to write the knowledge test.

6. Question 6 of 25

   How often must you renew the Q endorsement?

   • AEvery time you renew your licence
   • BEvery year
   • CIt has no renewal requirement
   • DEvery 5 years
   Show answer

   Answer: C. It has no renewal requirement

   The air brake endorsement has no renewal requirement.

7. Question 7 of 25

   You fail the practical air brake assessment. What is allowed?

   • AUnlimited retries on the same day
   • BNo retries at all; you must start the program again
   • CA road test in an air-brake vehicle instead
   • DOne reassessment, on a different day, before more training
   Show answer

   Answer: D. One reassessment, on a different day, before more training

   One practical reassessment is allowed, on a different day, before additional training is required.

8. Question 8 of 25

   During the air brake trip test, by what pressure should the low air warning be on?

   • A135 psi
   • B100 psi
   • C60 psi
   • D20 psi
   Show answer

   Answer: C. 60 psi

   The Commercial Driver's Guide says the low air warning should be on by 60 psi.

9. Question 9 of 25

   This diagram shows an air brake system. What drives the air compressor?

   • AThe engine
   • BThe brake pedal
   • CThe trailer wheels
   • DA hand pump
   Show answer

   Answer: A. The engine

   The compressor is driven by the engine and pumps air into the storage tanks.

10. Question 10 of 25

    Where do you take the classroom training for the Alberta Air Brake Program?

    • AAt a police station or weigh scale
    • BOnline from any website you choose
    • CAt any Alberta registry agent
    • DAt a licensed driver training school
    Show answer

    Answer: D. At a licensed driver training school

    Classroom and practical training are given by licensed driver training schools.

11. Question 11 of 25

    What do you receive when you pass the practical assessment?

    • AA Class 1 licence
    • BA Notice of Air Brake Program Completion
    • CA dangerous goods certificate
    • DYour Q endorsement card on the spot
    Show answer

    Answer: B. A Notice of Air Brake Program Completion

    Passing gives you a Notice of Air Brake Program Completion, which you take to a registry agent for the knowledge test.

12. Question 12 of 25

    You are about to descend a hill and the air pressure is dropping abnormally. What should you do?

    • ADo not go down the hill until the problem is fixed
    • BGo down quickly before the pressure is gone
    • CShift to neutral and coast down slowly
    • DUse only the trailer hand valve on the way down
    Show answer

    Answer: A. Do not go down the hill until the problem is fixed

    Test your brakes before descending, and do not proceed if air pressure drops abnormally.

13. Question 13 of 25

    Which form is used for the one-on-one air brake practical assessment in Alberta?

    • AA daily log
    • BThe Air Brake Practical Test form
    • CThe vehicle registration form
    • DA trip inspection report
    Show answer

    Answer: B. The Air Brake Practical Test form

    The practical assessment is done on the Air Brake Practical Test form within 15 minutes.

14. Question 14 of 25

    Which vehicle does NOT need a Q endorsement in Alberta?

    • AA farm combination that requires a Class 1 licence
    • BA city bus with air brakes
    • CA single-motor farm vehicle
    • DA dump truck with air brakes
    Show answer

    Answer: C. A single-motor farm vehicle

    Single-motor farm vehicles are exempt, but a farm combination that needs Class 1 still requires the endorsement.

15. Question 15 of 25

    Your brakes get very hot on a long hill and stop working as well. What is this called?

    • ABrake creep
    • BBrake fade
    • CBrake lock
    • DBrake lag
    Show answer

    Answer: B. Brake fade

    Overheated brakes lose effectiveness. Use a low gear and engine braking on long grades.

16. Question 16 of 25

    What happens to stopping distance when you double your speed?

    • AIt becomes about half as long
    • BIt about doubles
    • CIt stays about the same
    • DIt becomes about four times as long
    Show answer

    Answer: D. It becomes about four times as long

    Stopping distance grows with the square of speed, so doubling speed makes it about four times as long.

17. Question 17 of 25

    Your spring brakes apply suddenly while you are driving. What is the most likely cause?

    • AA serious loss of air pressure
    • BThe trailer is empty and light
    • CThe engine is still too cold
    • DThe governor has cut out normally
    Show answer

    Answer: A. A serious loss of air pressure

    Spring brakes come on when system pressure drops too low.

18. Question 18 of 25

    Who may be allowed to take the air brake tests without the classroom and practical training?

    • AAnyone over 65 with a clean record
    • BPassengers who often ride on air-brake buses
    • CSome qualified mechanics and vehicle inspection technicians
    • DAnyone who holds a full Class 5 licence
    Show answer

    Answer: C. Some qualified mechanics and vehicle inspection technicians

    Some heavy equipment and truck mechanics and inspection technicians may challenge the tests. Eligibility is confirmed with Examinations and Licensing.

19. Question 19 of 25

    What licence do you need to take the air brake knowledge test?

    • AA Class 1 licence held for at least a year
    • BAny driver's licence from any country
    • CA valid Alberta driver's licence that is not suspended
    • DNo licence; anyone may write the test
    Show answer

    Answer: C. A valid Alberta driver's licence that is not suspended

    You need a valid Alberta driver's licence. Suspended licences are not eligible.

20. Question 20 of 25

    Which part tells the compressor when to start and stop pumping air?

    • AThe foot valve
    • BThe governor
    • CThe slack adjuster
    • DThe brake drum
    Show answer

    Answer: B. The governor

    The governor senses tank pressure and controls the compressor's cut-in and cut-out.

21. Question 21 of 25

    How many correct answers do you need to pass the Alberta air brake knowledge test?

    • A25
    • B27
    • C20
    • D24
    Show answer

    Answer: A. 25

    You need 25 correct answers out of 30.

22. Question 22 of 25

    About how much time is added to your stopping distance by air brake lag?

    • ANo time at all
    • BAbout 0.4 seconds
    • CAbout 4 seconds
    • DAbout 1 minute
    Show answer

    Answer: B. About 0.4 seconds

    Air brake lag time is about 0.4 seconds, added to about 0.75 seconds of perception and 0.75 seconds of reaction.

23. Question 23 of 25

    After a failed practical reassessment, who decides what additional training you need?

    • AA police officer at a weigh scale
    • BYour insurance company
    • CThe driver training school and the student
    • DThe registry agent who sells you the test
    Show answer

    Answer: C. The driver training school and the student

    Any additional training is decided by the driver training school and the student.

24. Question 24 of 25

    Is there a time limit on the Alberta air brake knowledge test?

    • AYes, 15 minutes
    • BYes, 30 minutes
    • CNo
    • DYes, 1 hour
    Show answer

    Answer: C. No

    There is no time limit and no limit on the number of attempts.

25. Question 25 of 25

    Which manual does each student in the Alberta Air Brake Program receive?

    • AAir Brake Manual: A Guide for Students
    • BThe Official Truck Handbook
    • CThe Motorcycle Handbook
    • DThe Basic Licence Driver's Handbook
    Show answer

    Answer: A. Air Brake Manual: A Guide for Students

    Each student gets the Air Brake Manual: A Guide for Students.

Keyboard: 1–4 to answer, Enter for the next question.

The real test: 25 of 30; the test stops after 6 wrong answers