Ontario Class A (AZ) Mock Exam 4

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. Your tractor has a clutch brake. When should you push the clutch pedal to the floor?

   1. Never, under any circumstances at all
   2. On every upshift while you are moving
   3. Only at a stop, to engage low gear
   4. On every downshift when climbing hills

2. What shape and colour is a stop sign?

   1. Red triangle
   2. White rectangle
   3. Red octagon
   4. Yellow diamond

3. With the trailer supply valve closed, air escapes from the service gladhand when braking. What is defective?

   1. The tractor protection valve
   2. The trailer spring brakes
   3. The air dryer purge valve
   4. The front wheel-limiting valve

4. How far should you lower the landing gear when uncoupling?

   1. Until it lifts the trailer two inches
   2. Just above or just touching the ground
   3. Halfway, then let the tractor lower it
   4. All the way until the pads stop

5. At a red light with a painted bike box ahead, where must you stop?

   1. On the bike lane line
   2. Behind the bike box
   3. Inside the bike box
   4. Past the crosswalk

6. 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

7. 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

8. An ambulance with its siren on approaches from behind. What must you do?

   1. Speed up to clear the lane
   2. Move right and stop
   3. Move into the left lane
   4. Stop where you are

9. A yellow sign shows a truck on a curved arrow. What does it advise?

   1. Trucks may pass on the curve
   2. Trucks should slow for the curve
   3. No trucks allowed on the curve
   4. Truck entrance on the curve

10. What does the handbook call using your truck's size to force your way through traffic?

    1. Blocking
    2. Platooning
    3. Tailgating
    4. Bluffing

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

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

12. Hours-of-service rules apply to commercial vehicles over what weight?

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

13. What do orange diamond-shaped signs warn about?

    1. Permanent sharp curves in the road
    2. School zones with lower speed limits
    3. Hospital routes and emergency entrances
    4. Temporary conditions like road work

14. 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)

15. A sign shows "5 t" with an axle symbol. What does it restrict?

    1. Trailers to 5 m long
    2. Total vehicle weight to 5 tonnes
    3. Load per axle to 5 tonnes
    4. Speed to 50 km/h

16. What increases the amount of off-track?

    1. A heavier load
    2. Wider tires
    3. Higher air pressure
    4. A longer wheelbase

17. How many duty status categories do the rules define?

    1. Three
    2. Six
    3. Two
    4. Four

18. When are vehicle lights required under the overhang rule?

    1. Only when it is raining or snowing
    2. Only on 400-series highways at night
    3. Only between midnight and 5 a.m.
    4. ½ hour before sunset to ½ after sunrise

19. Why keep the tractor frame under the trailer before pulling fully clear?

    1. To keep the trailer lights on
    2. To save the tractor's fuel
    3. In case the trailer is unstable
    4. To keep the air lines connected

20. When should you raise the landing gear after coupling?

    1. After checking the hook-up
    2. Only once you reach the delivery point
    3. After driving the first kilometre
    4. Before backing under the trailer

21. Before backing, which steps should you take in the cab?

    1. Seat belt off, door open, engine off
    2. Trailer brakes on, clutch in, high gear
    3. Radio off, windows down, flashers, horn
    4. Radio up, windows shut, lights off

22. Where is a vehicle's MGVWR usually found?

    1. On a decal or plate on the cab
    2. In the daily inspection schedule
    3. On the driver's licence card
    4. On the CVOR certificate only

23. Where must the oversize load sign be displayed?

    1. Only on the trailer's right side
    2. Only on the driver's door
    3. Front of vehicle and rear of load
    4. Only on the roof of the cab

24. What is the time limit for the backing manoeuvre?

    1. Less than 3 minutes
    2. No time limit
    3. Less than 10 minutes
    4. Less than 20 minutes

25. You arrive without wheel chocks. What happens?

    1. You lose 5 points but may continue
    2. The examiner lends you a set of chocks
    3. You may skip the air brake items instead
    4. The test is out of order

26. On the backing test you stop, then continue backing without pulling forward. Is it a pull-up?

    1. Only near the cones
    2. No
    3. Only if over 5 seconds
    4. Yes, always

27. What is the industry colour for the trailer service air line?

    1. Blue
    2. Yellow
    3. Red
    4. Green

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

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

29. Who may adjust the air brakes on your tractor?

    1. Any driver holding a Z endorsement
    2. A certified mechanic or course graduate
    3. The shipper's loading dock staff
    4. Any driver with five years' experience

30. What happens if you let the clutch slip too much?

    1. It cools the transmission
    2. It overheats and gets damaged
    3. It saves fuel on hills
    4. It charges the air tanks

31. 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

32. Which item should you bring to the Class A knowledge test?

    1. Your completed medical report form
    2. Your truck's annual inspection decal
    3. A letter from your driving school
    4. A logbook for the previous 14 days

33. 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

34. What blood alcohol level is allowed when driving a vehicle that needs a Class A licence?

    1. Zero
    2. Under 0.02
    3. Under 0.05
    4. Under 0.08

35. 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

36. A sign shows a truck and "6.5 m" over a lane with a slash. What does it mean?

    1. No trucks over 6.5 m long in that lane
    2. Trucks must keep 6.5 m apart in the lane
    3. Maximum truck height is 6.5 m in the lane
    4. Trucks only, starting 6.5 km ahead

37. What is the minimum tread depth on the steer tires of a tractor rated over 4,500 kg?

    1. 3 mm
    2. 5 mm
    3. 1.5 mm
    4. 2 mm

38. The low air-pressure warning comes on while driving. What should you do?

    1. Drive to the next truck stop
    2. Pump the brakes to raise pressure
    3. Stop at once in the safest place
    4. Pull the trailer hand valve

39. 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

40. Who is responsible for making sure the cargo on your trailer is balanced and secured?

    1. The driver
    2. Only the shipper
    3. Only the receiver
    4. Only the carrier's dispatcher