Ontario AZ Licence Practice Test 2026: Practice test 2

1. Question 1 of 25

   What is the maximum height of a vehicle in Ontario, including its load?

   • A5.0 m
   • B3.65 m
   • C4.5 m
   • D4.15 m
   Show answer

   Answer: D. 4.15 m

   The maximum height including the load is 4.15 m (13.6 ft).

2. Question 2 of 25

   What is the normal maximum length of a semi-trailer in Ontario?

   • A23 m, the same as a full combination
   • B18 m, or 20 m with a special permit
   • C12.5 m in all cases, with no exceptions
   • D14.65 m, or 16.2 m if it meets special requirements
   Show answer

   Answer: D. 14.65 m, or 16.2 m if it meets special requirements

   A semi-trailer may be 14.65 m long, or 16.2 m if it meets special requirements.

3. Question 3 of 25

   What is the maximum overall length of a tractor-semi-trailer combination in Ontario, apart from some double-trailer combinations?

   • A23 m
   • B20 m
   • C16.2 m
   • D27.5 m
   Show answer

   Answer: A. 23 m

   The maximum combination length is 23 m (75.5 ft), except for certain double-trailer combinations.

4. Question 4 of 25

   How is the maximum gross weight of a truck combination decided in Ontario?

   • AIt is the weight the manufacturer paints on the door of the cab
   • BIt is set by the shipper on the bill of lading for each load
   • CIt is always 63,500 kg for any truck with five or more axles
   • DIt is the lowest of several limits, such as axle, tire and spacing limits
   Show answer

   Answer: D. It is the lowest of several limits, such as axle, tire and spacing limits

   The legal gross weight is the lowest of several calculated limits, such as axle, tire, suspension and spacing limits.

5. Question 5 of 25

   How often must a truck have a daily (trip) inspection in Ontario?

   • AOnly before trips longer than 160 km
   • BEvery 12 hours while the truck is in use
   • CAt least once in every 24-hour period
   • DOnce a week, before the first trip
   Show answer

   Answer: C. At least once in every 24-hour period

   A Schedule 1 inspection must be completed within the previous 24 hours, and the driver keeps watching the vehicle's condition during the trip.

6. Question 6 of 25

   Who may do the daily inspection that allows you to drive a truck?

   • AOnly the vehicle owner, once a week before the first trip
   • BOnly the driver, and it must be done within the previous 12 hours
   • COnly a licensed mechanic, at a licensed motor vehicle inspection station
   • DYou, or another person, as long as it was done within the previous 24 hours
   Show answer

   Answer: D. You, or another person, as long as it was done within the previous 24 hours

   You may drive only if you or another person completed a Schedule 1 inspection and report within the previous 24 hours.

7. Question 7 of 25

   Which documents must you carry about the daily inspection?

   • AOnly the last annual safety inspection certificate
   • BNothing; the operator keeps them at the terminal
   • COnly the vehicle's registration and insurance
   • DThe current inspection report and the inspection schedule
   Show answer

   Answer: D. The current inspection report and the inspection schedule

   Drivers must carry the current inspection report and the schedule. Electronic versions are allowed.

8. Question 8 of 25

   You find a minor defect, such as a broken clearance light, during your daily inspection. What must you do?

   • APark the truck and do not drive until it is repaired
   • BIgnore it until the next annual safety inspection
   • CRecord it on the inspection report and report it to the operator
   • DFix it yourself and leave it off the report
   Show answer

   Answer: C. Record it on the inspection report and report it to the operator

   Minor defects are recorded on the report and reported to the operator, who arranges repairs.

9. Question 9 of 25

   You find a major defect during your daily inspection. What must you do?

   • ADrive carefully to your destination
   • BDrive only below 50 km/h
   • CWrite it down and repair it within 7 days
   • DNot drive the vehicle until the defect is repaired
   Show answer

   Answer: D. Not drive the vehicle until the defect is repaired

   You may not drive a vehicle with a major defect. It must be repaired first.

10. Question 10 of 25

    You notice a new defect in the middle of a trip. What should you do?

    • AWait until the next daily inspection
    • BRemove the inspection report
    • CReport it to the operator as soon as possible
    • DReport it only if police stop you
    Show answer

    Answer: C. Report it to the operator as soon as possible

    Defects found during the trip must be reported to the operator as soon as possible.

11. Question 11 of 25

    What is the most common reason commercial vehicles are taken out of service in Ontario?

    • ADirty or cracked windows
    • BOut-of-adjustment air brakes
    • CExpired fuel tax permits
    • DMissing mud flaps
    Show answer

    Answer: B. Out-of-adjustment air brakes

    Out-of-adjustment air brakes are the most common reason commercial vehicles are taken out of service.

12. Question 12 of 25

    When may a driver adjust their own air brakes in Ontario?

    • AOnly at roadside inspections, when an officer asks them to
    • BNever; only police officers may adjust commercial vehicle brakes
    • COnly after an approved adjustment course, or as a certified mechanic
    • DAny time the brakes feel soft, as long as they write it in the report
    Show answer

    Answer: C. Only after an approved adjustment course, or as a certified mechanic

    Drivers may not adjust air brakes unless they completed an approved adjustment course or are certified mechanics.

13. Question 13 of 25

    Which Ontario regulation contains the full daily inspection schedules with major and minor defects?

    • AO. Reg. 555/06, Hours of Service
    • BO. Reg. 396/08, Speed-Limiting Systems
    • CO. Reg. 199/07, Commercial Motor Vehicle Inspections
    • DO. Reg. 363/04, Security of Loads
    Show answer

    Answer: C. O. Reg. 199/07, Commercial Motor Vehicle Inspections

    The full schedules listing major and minor defects are in O. Reg. 199/07.

14. Question 14 of 25

    When coupling or uncoupling, which air line is the service line?

    • AThe yellow line
    • BThe red line
    • CThe green line
    • DThe blue line
    Show answer

    Answer: D. The blue line

    By industry standard, the blue line is the service line and the red line is the supply (emergency) line.

15. Question 15 of 25

    What should you do before you back the tractor toward a trailer?

    • AConnect the air lines first, then back up without stopping
    • BTurn off your headlights and back up quickly to save time
    • CSound the horn, use the four-way flashers and reverse at a walking pace
    • DRelease the trailer brakes and back up at normal speed
    Show answer

    Answer: C. Sound the horn, use the four-way flashers and reverse at a walking pace

    Sound the horn before backing, use the four-way flashers, and reverse at a walking pace.

16. Question 16 of 25

    This diagram shows coupling a tractor and trailer. After the kingpin locks into the fifth wheel, what should you do to check the connection?

    • ARelease all the brakes and have someone push the trailer
    • BDrive away slowly and check the coupling at your first stop
    • CDo a gentle tug test, then look to see the jaws are closed around the kingpin
    • DRaise the landing gear first, then listen for a second click
    Show answer

    Answer: C. Do a gentle tug test, then look to see the jaws are closed around the kingpin

    A gentle pull against the locked trailer brakes, plus a visual check of the jaws, confirms the coupling is secure.

17. Question 17 of 25

    What is the last step in this coupling sequence before you drive away?

    • ALower the landing gear to the ground so the trailer is supported
    • BRaise the landing gear all the way and secure the crank handle
    • CUnlock the fifth wheel jaws so the trailer can turn freely
    • DDisconnect the air lines so the trailer brakes stay applied
    Show answer

    Answer: B. Raise the landing gear all the way and secure the crank handle

    After the air and electrical lines are connected, the landing gear is raised fully so it cannot hit the road.

18. Question 18 of 25

    This diagram shows a sliding fifth wheel. What happens when you slide the fifth wheel forward?

    • AMore weight moves onto the steering axle
    • BThe tractor brakes work better
    • CMore weight moves onto the trailer axles
    • DThe trailer becomes lighter
    Show answer

    Answer: A. More weight moves onto the steering axle

    Moving the fifth wheel forward shifts weight forward onto the steering axle. Moving it back shifts weight to the drive axles.

19. Question 19 of 25

    Which vehicles must follow Ontario's hours-of-service rules?

    • ACommercial vehicles over 4,500 kg, and buses
    • BOnly trucks over 11,000 kg carrying freight for hire
    • COnly tractor-trailers that cross into another province or the U.S.
    • DEvery vehicle used for work, including cars and small vans
    Show answer

    Answer: A. Commercial vehicles over 4,500 kg, and buses

    Hours-of-service rules apply to commercial vehicles over 4,500 kg and to buses, school buses and school-purpose buses.

20. Question 20 of 25

    How many hours must you be off duty each day?

    • AAt least 8
    • BAt least 6
    • CAt least 10
    • DAt least 12
    Show answer

    Answer: C. At least 10

    Drivers must take at least 10 hours off duty each day.

21. Question 21 of 25

    What is the most driving time allowed in a day?

    • A10 hours
    • B15 hours
    • C11 hours
    • D13 hours
    Show answer

    Answer: D. 13 hours

    You may not drive more than 13 hours in a day.

22. Question 22 of 25

    After how many hours on duty in a day must you stop driving?

    • A12 hours
    • B16 hours
    • C14 hours
    • D18 hours
    Show answer

    Answer: C. 14 hours

    You may not drive after 14 hours on duty in a day.

23. Question 23 of 25

    After at least 8 consecutive hours off duty, when must you stop driving because of elapsed time?

    • AOnce 12 hours have passed
    • BThere is no elapsed-time limit
    • COnce 16 hours have passed
    • DOnce 20 hours have passed
    Show answer

    Answer: C. Once 16 hours have passed

    After at least 8 hours off duty, you may not drive once 16 hours have elapsed.

24. Question 24 of 25

    On a 7-day cycle, after how many on-duty hours must you stop driving?

    • A80 hours in 7 consecutive days
    • B60 hours in 7 consecutive days
    • C70 hours in 7 consecutive days
    • D120 hours in 7 consecutive days
    Show answer

    Answer: C. 70 hours in 7 consecutive days

    On the 7-day cycle, you may not drive after 70 hours on duty in 7 consecutive days.

25. Question 25 of 25

    On a 14-day cycle, what is the on-duty limit?

    • A120 hours in 14 days, with 24 consecutive hours off after 70 hours
    • B100 hours in 14 days, with 8 hours off after each 50 hours
    • C140 hours in 14 days, with no required break
    • D70 hours in 14 days, with a 36-hour break after 35 hours
    Show answer

    Answer: A. 120 hours in 14 days, with 24 consecutive hours off after 70 hours

    On the 14-day cycle, you may not drive after 120 hours on duty, and you must take 24 consecutive hours off after reaching 70 hours.

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