Alberta Class 1 Knowledge Test Practice

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. You are backing a semi-trailer and want the trailer to go left. Which way do you turn the steering wheel?

   1. To the right
   2. It depends on trailer length
   3. To the left
   4. Straight, then left

2. What is the maximum speed for a long combination vehicle in Alberta?

   1. 90 km/h on every highway, whatever the sign
   2. The posted limit minus 10 km/h
   3. 110 km/h on divided highways with a permit
   4. 100 km/h or the posted limit, if lower

3. What is brake lag time in an air brake system?

   1. The time from pressing the pedal until a full stop
   2. The delay while air flows to apply the brakes
   3. The time the compressor takes to refill tanks
   4. The time the driver takes to notice the hazard ahead

4. What following distance should you keep when driving a large vehicle in good conditions?

   1. At least four seconds
   2. At least one second
   3. At least ten seconds
   4. At least two seconds

5. What makes a B train different from an A train?

   1. Its converter dolly uses two separate drawbars
   2. It needs a self-steering dolly
   3. The lead trailer carries the fifth wheel
   4. It has three articulation points

6. Which list gives the four factors the guide says affect a commercial vehicle's stopping distance?

   1. Speed, signal use, mirrors and lane
   2. Traction, brake condition, weight and speed
   3. Engine size, gear, load height and tires
   4. Road width, weather, lights and horn

7. At what speed should you enter a curve?

   1. Any speed, then brake hard if needed
   2. One needing no braking in the curve
   3. The posted limit, braking hard once in the curve
   4. Slightly above the limit to keep momentum

8. The semi-trailer has no spring brakes on any axle. What must you do before backing under it?

   1. Hook up the air lines and set its brakes
   2. Raise the landing gear fully before backing
   3. Chock only the tractor wheels
   4. Back under it faster so the jaws lock firmly

9. A loaded truck travels twice as fast as an empty truck half its weight. How much more braking force does it need?

   1. Six times as much
   2. Eight times as much
   3. Twice as much
   4. Four times as much

10. Which reversing manoeuvre does the guide call the most difficult and dangerous?

    1. 90-degree reversing from the blind (right) side
    2. Offset reversing to the left
    3. Straight-line reversing
    4. 90-degree reversing from the left side

11. When uncoupling, what do you do before disconnecting the air and electrical lines?

    1. Raise the fifth wheel
    2. Pull the tractor ahead slowly
    3. Remove the wheel chocks
    4. Lower the landing gear

12. Compared with level ground at the same speed, how does stopping distance change going downhill?

    1. It stays the same
    2. It gets shorter because of weight
    3. It gets longer because of gravity
    4. It gets shorter if the brakes are hot

13. What causes high-speed off-tracking?

    1. A heavy load at the front
    2. Centrifugal force pushing the rear outward
    3. Low tire pressure on the steering axle tires
    4. Turning the wheel too slowly

14. Which step comes LAST when coupling a tractor and semi-trailer?

    1. Check the jaws visually
    2. Hook up the electrical line
    3. Remove the wheel chocks
    4. Raise the landing gear

15. What risk comes from using only the trailer hand valve to slow down?

    1. The tractor brakes overheat first
    2. The ABS light comes on permanently
    3. Unbalanced braking that could cause a jackknife
    4. The trailer brakes adjust themselves too tight

16. You park a tractor-trailer facing uphill with no curb, on the right side. Which way do you turn the front wheels?

    1. To the right
    2. Straight ahead
    3. To the left
    4. Away from the trailer

17. You are building a double with one heavy and one light trailer. Which goes directly behind the tractor?

    1. Either, if both are full
    2. The heavier trailer
    3. The lighter trailer
    4. The longer trailer

18. Which three driver actions does stopping a moving vehicle involve, in order?

    1. See, think, do
    2. Think, see, do
    3. Brake, steer, signal
    4. Signal, brake, stop

19. How should you hold a parked tractor-trailer?

    1. Trailer hand valve and low gear
    2. Tractor parking brake and wheel chocks
    3. Transmission in gear only
    4. Trailer hand valve and chocks

20. During uncoupling, why stop when the fifth wheel just clears the trailer?

    1. To reconnect the air lines for the next trailer
    2. To lower the fifth wheel so it slides out easily
    3. To check the landing gear holds the trailer
    4. To release the trailer brakes

21. If you double your speed, how much braking force is needed to stop?

    1. Three times as much
    2. Four times as much
    3. Twice as much
    4. Eight times as much

22. Your truck breaks down on a rural highway at night. Where do you place warning devices?

    1. 75 m ahead and behind
    2. 150 m ahead only
    3. 10 m behind only
    4. 30 m ahead and behind

23. You have only one wheel chock when uncoupling. Where should it go?

    1. Beside the fifth wheel
    2. Behind the semi-trailer wheel
    3. In front of the semi-trailer wheel
    4. Under the tractor steer wheel

24. Why should you not pump air brakes?

    1. It overheats the compressor belt
    2. It locks the spring brakes at once
    3. It is only allowed on dry roads
    4. It wastes air pressure

25. You must turn right onto a narrow street. What should you do?

    1. Swing left into the oncoming lanes before turning
    2. Cut over the curb with the trailer
    3. Start turning early, right at the corner
    4. Go well into the intersection first

26. Before backing under a semi-trailer, what position should the fifth wheel jaws be in?

    1. Half locked
    2. It does not matter
    3. Closed and locked
    4. Open (unlocked)

27. Which sum makes up total stopping distance for an air-brake vehicle?

    1. Lag and braking distance only
    2. Reaction and braking distance only
    3. Perception, reaction, lag and braking distance
    4. Perception, reaction and braking distance

28. What is the minimum size for a square wheel block?

    1. 20 cm by 20 cm
    2. 10 cm by 10 cm
    3. 30 cm by 30 cm
    4. 15 cm by 15 cm

29. How much experience must a driver have before a carrier issues an LCV Driver's Certificate?

    1. 36 months of commercial driving with no collisions
    2. Five years with a Class 1 licence
    3. 12 months or 100,000 km driving any type of truck
    4. 24 months or 150,000 km in Class 1 units

30. If you double the weight of a vehicle, how much more braking force is needed to stop it?

    1. Twice as much
    2. Four times as much
    3. Eight times as much
    4. The same, thanks to better traction

31. How often should you sound the horn when reversing a large vehicle?

    1. Before moving and once per vehicle length
    2. Only if you can see people near the truck
    3. Only once, just before you start to move
    4. Every 50 metres

32. What does the guide call the most important task in any coupling procedure?

    1. Checking every connection
    2. Reading the trailer's registration
    3. Coupling as quickly as possible
    4. Backing in a perfectly straight line every time

33. Your low air pressure warning comes on while driving. What should you do?

    1. Drive on to the next scale and report it there
    2. Ignore it until the buzzer stops
    3. Keep going and pump the brakes
    4. Stop when safe and build up air

34. Roads are icy and visibility is poor. How should you change your following distance?

    1. Add one second
    2. Halve it to stay with traffic
    3. Keep four seconds
    4. Double it

35. Why does a C train move less from side to side than an A train?

    1. Its trailers must always be shorter than an A train's
    2. It has no fifth wheel at all
    3. Its rear trailer must always be the heavier trailer
    4. Its double drawbar leaves one pivot point

36. When does a vehicle have the most traction while braking?

    1. Right after the wheels lock
    2. While the wheels are skidding
    3. Just before the wheels lock
    4. When the brakes are released

37. Your truck is hauling flammable goods. What must you do at every uncontrolled railway crossing?

    1. Switch on the hazard lights only
    2. Sound the horn twice
    3. Slow to 30 km/h
    4. Stop before crossing

38. You have only one wheel chock when coupling to a semi-trailer. Where should it go?

    1. Behind the semi-trailer wheel
    2. Under the landing gear pad
    3. Under the tractor drive wheel
    4. In front of the semi-trailer wheel

39. How should you control speed on a long, steep downgrade?

    1. Use the trailer hand valve only, to spare the tractor
    2. Ride the brakes lightly all the way down the hill
    3. Downshift before the crest and use the engine
    4. Shift to neutral and brake firmly

40. During a slow city turn, which way do the rear tires of a tractor-trailer track?

    1. Inside the path of the steering tires
    2. Outside the path of the steering tires
    3. It depends only on the load
    4. Exactly in the steering tire path