Ontario Class A (AZ) Practice Test 7

All 40 questions in this test

Every question and its answer choices. The correct answers and explanations appear when you take the test above.

1. Which of these must never be used to hold a parked unit?

   1. The trailer hand valve
   2. The parking brake control
   3. Wheel chocks
   4. The spring brakes

2. On the road test, how close to the posted limit should you drive when conditions allow?

   1. Exactly at the limit
   2. Up to 10 km/h over it
   3. Within 10 km/h, not over
   4. 20 km/h below it

3. A local driver may be exempt from carrying a daily log if they stay within what radius?

   1. 160 km of the starting point
   2. 250 km of the operator's office
   3. 80 km of the nearest weigh scale
   4. 50 km of the provincial border

4. Before pulling forward against the pin, how do you keep the trailer from rolling?

   1. Raise the landing gear
   2. Lower the tractor's air suspension
   3. Set the trailer brakes
   4. Open the trailer supply valve fully

5. You pass the Class A road test with a trailer that has no air brakes. What licence do you get?

   1. A Class A with a Z condition only
   2. A restricted Class A (AR)
   3. A Class D with a trailer endorsement
   4. A full Class AZ licence

6. Which gear should you generally use to go down a long grade?

   1. One gear higher than usual
   2. The highest gear available
   3. Neutral to save fuel
   4. The gear you would climb it in

7. Why should you avoid shifting gears while crossing railway tracks?

   1. You could stall on the tracks
   2. It sets off the crossing gates
   3. It damages the rails
   4. It is illegal for cars too

8. A coupler mounting has one loose fastener. How is it classed?

   1. A minor defect
   2. A critical impound defect
   3. A major defect
   4. Not a defect

9. Why must turn signals be cancelled by hand on most trucks?

   1. The law requires it on cars too
   2. They drain the battery
   3. They are too loud
   4. They do not self-cancel

10. Besides licence suspensions, what penalty does zero tolerance bring?

    1. A free medical test
    2. Mandatory MELT retraining
    3. Monetary penalties
    4. A CVOR audit of the driver

11. Warning lamps carried on a commercial vehicle must be visible from at least how far?

    1. 150 m
    2. 500 m
    3. 30 m
    4. 60 m

12. Exhaust fumes are getting into the cab. How is this defect classed?

    1. Not a defect
    2. Minor
    3. Minor if windows are open
    4. Major

13. A train is approaching a crossing. How far from the nearest rail must you stop?

    1. At least 50 m
    2. At least 1 m
    3. At least 20 m
    4. At least 5 m

14. With brakes fully applied, what air loss in one minute is a major defect on a Class A combination?

    1. More than 6 psi
    2. More than 4 psi
    3. More than 10 psi
    4. More than 2 psi

15. What does a flashing yellow light mean?

    1. Proceed with caution
    2. Stop, then go
    3. The light will turn green
    4. Trucks must stop

16. What does the LCV placard on the back of a double trailer tell you?

    1. The truck is about to turn
    2. The driver is in training
    3. The truck carries dangerous goods
    4. Expect extra length and limited speed

17. What is the tug test?

    1. Pulling the release lever to test it
    2. Pulling forward to raise the landing gear
    3. Pulling the gladhands to test the seal
    4. Pulling against the trailer to test the lock

18. On a road with a median, which traffic must stop for a school bus with lights flashing?

    1. Only traffic behind the bus
    2. Traffic in both directions
    3. Only oncoming traffic
    4. No traffic at all

19. How soon after moving off should you check your brakes?

    1. After 1 km
    2. Within about 15 m
    3. At the first stop sign
    4. Only before a downgrade

20. On the Class A road test, how many errors are allowed in uncoupling and coupling combined?

    1. Ten
    2. Five
    3. Two
    4. None

21. After how many hours on duty in a day may you no longer drive?

    1. 13
    2. 16
    3. 14
    4. 12

22. What is a vehicle's gross weight?

    1. The vehicle plus its load
    2. The empty weight of the tractor alone
    3. The weight printed on the licence plate
    4. The manufacturer's rated axle capacity

23. To what top speed must a commercial vehicle's speed limiter be set?

    1. 110 km/h
    2. 90 km/h
    3. 105 km/h
    4. 100 km/h

24. What does overdriving your headlights mean?

    1. Your high beams are much too bright
    2. Stopping distance exceeds sight distance
    3. You use your headlights in daytime
    4. Your headlights are aimed too low

25. Your truck begins to skid. What should you do?

    1. Accelerate and turn the wheel sharply
    2. Brake hard and hold the wheel straight
    3. Shift up into a higher gear right away
    4. Ease off; steer where you want to go

26. What can happen if the trailer is too high when you back under it?

    1. The air lines will cross
    2. The tractor will hit the trailer nose
    3. The landing gear will collapse
    4. It may not couple correctly

27. What is the maximum overall length of a single tractor-semi-trailer combination?

    1. 18 m (59 ft)
    2. 23 m (75.5 ft)
    3. 40 m (131 ft)
    4. 25 m (82 ft)

28. Which road surfaces freeze first as temperatures drop?

    1. Sunny, open stretches of highway
    2. Freshly paved city streets
    3. Gravel shoulders beside the road
    4. Bridges, overpasses, shade

29. Which backing manoeuvre may you be asked to do on the Class A road test?

    1. A parallel park between two cars
    2. An offset or driver's-side alley dock
    3. A blind-side 180-degree turnaround
    4. Backing around a full city block

30. The tractor's rear wheels start to slide sideways (tractor jackknife). What should you do?

    1. Steer sharply to the right
    2. Apply all brakes hard
    3. Release brakes and accelerate hard
    4. Apply the trailer brakes only

31. What may a tractor-trailer use in a roundabout that small vehicles should not?

    1. The exit's bike lane
    2. The inside of the island
    3. The raised central apron
    4. The outside sidewalk

32. When may a semi-trailer be as long as 16.2 m (53 ft)?

    1. Any time it is under 4.15 m high
    2. When trailer and tractor meet special rules
    3. Only when it carries farm produce
    4. Only during daylight hours on 400-series roads

33. From January 1, 2027, what is new for drivers taking the Class A road test?

    1. A minimum of 1,000 logged hours
    2. A night-driving section on the test
    3. 6 months of Class G or higher first
    4. A second written test on trailers

34. What is the most common reason a commercial vehicle is taken out of service?

    1. A burnt-out clearance light
    2. An expired driver's licence
    3. Out-of-adjustment air brakes
    4. A missing fuel receipt

35. Which tire condition is a major defect?

    1. A leak you can hear or feel
    2. A tire touching only the mud flap
    3. Light wear on the tread blocks
    4. Dust or mud on the sidewall

36. What can happen if a load shifts or breaks loose?

    1. Better fuel economy
    2. Only a fine at the scale
    3. A collision or rollover
    4. Nothing if the doors are shut

37. What does "hitting the pin" mean?

    1. Pulling the fifth-wheel release pin out
    2. Backing sharply to set the kingpin in the jaws
    3. Tapping the kingpin with a heavy hammer
    4. Inserting the safety pin in the landing gear

38. A CVOR certificate is required for trucks above what registered or actual weight?

    1. 14,000 kg
    2. 2,500 kg
    3. 4,500 kg
    4. 11,000 kg

39. What is the maximum height for a vehicle and its load in Ontario?

    1. 5.0 m (16.4 ft)
    2. 4.5 m (14.8 ft)
    3. 4.15 m (13.6 ft)
    4. 3.9 m (12.8 ft)

40. Which lane should you generally choose when driving along a multi-lane road?

    1. Whichever is emptiest
    2. The right-most safe lane
    3. The left-most lane
    4. The centre lane always