Ontario AZ Licence Practice Test 2026：第2套练习测试

1. 第1题，共25题

   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
   显示答案

   答案: D. 4.15 m

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

2. 第2题，共25题

   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
   显示答案

   答案: 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. 第3题，共25题

   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
   显示答案

   答案: A. 23 m

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

4. 第4题，共25题

   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
   显示答案

   答案: 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. 第5题，共25题

   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
   显示答案

   答案: 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. 第6题，共25题

   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
   显示答案

   答案: 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. 第7题，共25题

   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
   显示答案

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

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

8. 第8题，共25题

   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
   显示答案

   答案: 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. 第9题，共25题

   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
   显示答案

   答案: 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. 第10题，共25题

    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
    显示答案

    答案: 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. 第11题，共25题

    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
    显示答案

    答案: B. Out-of-adjustment air brakes

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

12. 第12题，共25题

    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
    显示答案

    答案: 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. 第13题，共25题

    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
    显示答案

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

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

14. 第14题，共25题

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

    • AThe yellow line
    • BThe red line
    • CThe green line
    • DThe blue line
    显示答案

    答案: D. The blue line

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

15. 第15题，共25题

    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
    显示答案

    答案: 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. 第16题，共25题

    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
    显示答案

    答案: 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. 第17题，共25题

    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
    显示答案

    答案: 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. 第18题，共25题

    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
    显示答案

    答案: 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. 第19题，共25题

    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
    显示答案

    答案: 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. 第20题，共25题

    How many hours must you be off duty each day?

    • AAt least 8
    • BAt least 6
    • CAt least 10
    • DAt least 12
    显示答案

    答案: C. At least 10

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

21. 第21题，共25题

    What is the most driving time allowed in a day?

    • A10 hours
    • B15 hours
    • C11 hours
    • D13 hours
    显示答案

    答案: D. 13 hours

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

22. 第22题，共25题

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

    • A12 hours
    • B16 hours
    • C14 hours
    • D18 hours
    显示答案

    答案: C. 14 hours

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

23. 第23题，共25题

    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
    显示答案

    答案: C. Once 16 hours have passed

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

24. 第24题，共25题

    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
    显示答案

    答案: 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. 第25题，共25题

    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
    显示答案

    答案: 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.

键盘：按1–4作答，按 Enter 进入下一题。