BC Class 1–4 Practice Test 10

All 30 questions in this test

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

1. How many people may a taxi or limousine be designed to carry?

   1. No more than 6
   2. No more than 15
   3. No more than 10
   4. No more than 24

2. Which vehicles are covered by the National Safety Code in B.C.?

   1. Commercial vehicles licensed over 5,000 kg GVW
   2. Only tractor-trailers over 63,500 kg
   3. Only vehicles that cross into Alberta
   4. Any vehicle used to commute to work

3. When may emergency vehicle drivers who get in and out often be exempt from seatbelts?

   1. At speeds of 40 km/h or less
   2. Only when parked
   3. Never
   4. At any speed in town

4. What is brake fade?

   1. Overheated brakes losing power
   2. Brake linings slowly wearing thin with age
   3. Brakes freezing in cold weather
   4. Air leaking slowly from the tanks

5. When did MELT become mandatory for new Class 1 applicants in B.C.?

   1. April 1, 2000
   2. September 1, 2023
   3. October 18, 2021
   4. January 1, 2019

6. Which way should you walk around the vehicle during a pre-trip inspection?

   1. Clockwise, with traffic behind you
   2. Only along the curb side
   3. Counter-clockwise, facing oncoming traffic
   4. Any way, as long as it is quick

7. Where may a let-down (jump) seat be used?

   1. In the trunk area of a wagon
   2. In any vehicle, as long as you have a permit
   3. Beside the driver
   4. Only in the rear of a sedan built for it

8. When does a transit bus leaving a stop have the right-of-way?

   1. Always, on any road and at any speed limit
   2. Only during rush hour
   3. Only when it sounds the horn
   4. When signalling with its yield sign, under 60 km/h

9. What standard must school bus fire extinguishers meet?

   1. ULC Standard 100
   2. ISO 9001
   3. NSC Standard 13
   4. CSA Standard D250

10. When must a bus driver report a defect that could make the vehicle unsafe?

    1. Within 30 days
    2. In writing, when found or by the end of the day
    3. Only if a passenger complains
    4. By phone at the next annual inspection

11. Coupling a pintle hitch, how high should the drawbar eye be?

    1. At the height of the trailer deck
    2. Just slightly higher than the hook
    3. Well below the hook
    4. Level with the hook

12. In an s-cam brake, what spreads the linings against the drum?

    1. The s-shaped head of the camshaft
    2. A wedge between rollers
    3. The brake shoe return springs
    4. Hydraulic pistons

13. Which part both adjusts for lining wear and acts as a lever to multiply force?

    1. The relay valve
    2. The foot valve
    3. The governor
    4. The slack adjuster

14. While backing toward the trailer, where should you first stop?

    1. When the landing gear lifts
    2. One metre short of the trailer
    3. Right after the jaws have locked on the kingpin
    4. When the fifth wheel just touches the apron

15. How do convex (spot) mirrors make objects look?

    1. Exactly life-size
    2. Smaller and farther away
    3. Upside down
    4. Larger and closer

16. How many fire extinguishers must a vehicle carrying explosives have?

    1. None, if placarded
    2. Two
    3. Three
    4. One

17. What does a visible red marking on a new pushrod mean?

    1. The brake was adjusted correctly this morning
    2. The brake is badly out of adjustment
    3. The pushrod is the wrong size
    4. The chamber is a long-stroke type

18. Your speed creeps above your chosen speed on a downgrade. What does the guide advise?

    1. Ride the brakes lightly to the bottom
    2. Use the splitter to change gear
    3. Brake to drop 10–15 km/h, then downshift
    4. Shift up to ease the engine

19. You charge the trailer air system but its brakes do not release. What might be wrong?

    1. The landing gear is down
    2. The air lines may be crossed
    3. The tractor ABS is off
    4. The trailer is too heavy

20. May passengers stand on a school bus while it moves?

    1. Only older students
    2. Yes, if all the seats are already full
    3. No; all must be seated first
    4. Yes, on short trips

21. When is the most dangerous moment of a right turn in a tractor-trailer?

    1. When you shift gears before the corner
    2. When the tractor has turned but the trailer has not
    3. When you first signal and check your mirrors before turning
    4. Once the unit is straight again

22. How far should your breastbone be from a steering-wheel airbag?

    1. At least 25 cm (10 in)
    2. At least 50 cm (20 in)
    3. At least 10 cm (4 in)
    4. As close as is comfortable

23. Why can an air brake system tolerate a small leak better than a hydraulic one?

    1. Air brakes have no lines to leak
    2. Hydraulic fluid evaporates faster
    3. Air cannot escape through small holes
    4. The compressor keeps making more air

24. A load projects 1.5 m past the rear in daylight. What must be on its tip?

    1. An amber light
    2. A reflective triangle
    3. Nothing below 2 m
    4. A red flag or cloth

25. After tightening a manual slack adjuster until the linings touch the drum, how far do you back off?

    1. About 1/3 of a turn
    2. About 1/8 of a turn
    3. Two full turns
    4. Not at all

26. Does the reclining back seat of a bus count as a sleeper berth?

    1. Only for the co-driver
    2. No
    3. Yes, on trips over 500 km
    4. Yes, if it reclines fully

27. Why can a bobtail tractor's rear brakes lock up easily?

    1. The governor cuts out early
    2. There is little weight on the drive axles
    3. The trailer air supply valve stays open
    4. The steering axle has no brakes

28. What can a Class 4 restricted licence holder drive?

    1. Trucks with three or more axles
    2. School buses seating up to 25 people including the driver
    3. Any bus without air brakes
    4. Taxis and ride-hailing cars for up to 10 people

29. An automatic slack adjuster shows excessive stroke. What should happen?

    1. Remove it and fit a manual one
    2. Have a qualified mechanic repair it
    3. Ignore it; it will reset itself
    4. Adjust it by hand and drive on

30. Since when have tiedowns without a marked working load limit been prohibited?

    1. January 1, 2010
    2. October 18, 2021
    3. January 1, 2000
    4. April 1, 2015