BC Class 1–4 Practice Test 11

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. For a single-unit truck, what air loss is allowed during the one-minute leakage test?

   1. 6 p.s.i. per minute
   2. 1 p.s.i. per minute
   3. 4 p.s.i. per minute
   4. 3 p.s.i. per minute

2. How must load binder handles be secured?

   1. Taped to the deck
   2. Left loose for quick release
   3. Locked or tied so they cannot open
   4. Removed after tightening

3. Why might you place pads under the landing gear when dropping a trailer?

   1. Pads are required by law everywhere
   2. To make the trailer sit level for loading
   3. To keep the legs from rusting
   4. Soft ground can let the legs sink

4. What must a commercial passenger vehicle seating more than 10 carry?

   1. A defibrillator and oxygen
   2. Only a fire extinguisher mounted near the driver
   3. Two spare tires and chains
   4. A first-aid kit, spare tire and fire extinguisher

5. How far from the vehicle it escorts must a pilot car stay?

   1. Between 10 and 50 m
   2. Directly beside it
   3. Between 100 and 500 m
   4. Within 1 km

6. Why is the supply reservoir called the wet tank?

   1. It holds the alcohol anti-freeze
   2. Water and oil sludge collect in it
   3. It is mounted under the fuel tank
   4. It is filled with brake fluid

7. Who is usually responsible for a crash that happens while backing?

   1. The driver who was backing
   2. The other driver
   3. The guide
   4. Responsibility is always shared

8. A school bus seats 24 people including the driver. Which is the lowest licence class that covers it?

   1. Class 4 restricted
   2. Class 4 unrestricted
   3. Class 3
   4. Class 5 with a heavy trailer endorsement

9. In the United States, how many hours may you drive after 10 hours off duty?

   1. 9 hours
   2. 13 hours
   3. 15 hours
   4. 11 hours

10. How much application pressure does a normal stop usually use?

    1. About 60 p.s.i.
    2. About 100 p.s.i.
    3. Less than 20 p.s.i.
    4. Full system pressure

11. What does the heavy trailer endorsement (code 20) allow on a Class 4 or 5 licence?

    1. Tow a second trailer behind a fifth wheel
    2. Drive a bus seating more than 25 people
    3. Drive any truck or bus that is equipped with air brakes
    4. Tow a trailer over 4,600 kg if neither unit has air brakes

12. May a vehicle carrying dangerous goods be used for an ICBC road test?

    1. Yes, if it is placarded
    2. Yes, for Class 1 only
    3. No
    4. Yes, with the shipper's consent

13. In a double-trailer combination, which trailer is most likely to roll over?

    1. The tractor
    2. The first trailer
    3. They are equally likely
    4. The last trailer

14. The ABS warning light stays on while you drive. What does this mean?

    1. All braking has failed and you must stop now
    2. The air pressure is too high
    3. The parking brakes are applied
    4. ABS has failed, but normal brakes still work

15. An ambulance approaches with lights and siren. What must other drivers do?

    1. Speed up to get out of the way as quickly as possible
    2. Pull to the nearest edge and stop clear of intersections
    3. Stop wherever they are
    4. Keep going but move to the left lane

16. What is the B.C. endorsement code for air brakes?

    1. Code 20
    2. Code 15
    3. Code 07
    4. Code 51

17. Which wear pattern shows a tire is underinflated?

    1. One side only wears faster
    2. Wear stays perfectly even
    3. The centre of the tread wears faster
    4. The outer edges of the tread wear faster

18. What vehicle may be used for a Class 4 restricted road test?

    1. Any car or pickup truck
    2. A bus seating at least 36 adults
    3. Only a marked taxi
    4. A van seating at least 11 adults

19. May you load items on the tailgate?

    1. No
    2. Yes, for short trips
    3. Yes, if the gate is chained
    4. Yes, if they are tied

20. About how long is air brake lag?

    1. One-tenth of a second
    2. Two seconds
    3. Four-tenths of a second
    4. Three-quarters of a second

21. At highway speed, what is the minimum following time for a bus or heavy truck?

    1. Ten seconds
    2. Two seconds
    3. Three seconds
    4. Five seconds

22. When should you dim to low beams?

    1. At least 50 m from any oncoming traffic you can see
    2. Only in town
    3. Only when oncoming drivers flash you
    4. At least 150 m from other vehicles

23. On a highway, how much space should you leave between your large commercial vehicle and another large commercial vehicle?

    1. At least 150 m (500 ft)
    2. At least 20 m (65 ft)
    3. At least 60 m (200 ft)
    4. At least one vehicle length

24. You feel dizzy and drowsy and suspect carbon monoxide. What should you do?

    1. Drink coffee and continue
    2. Open a window and keep driving
    3. Pull over, stop and get fresh air
    4. Turn the heater up

25. Without a guide, how often should you check around the vehicle while backing?

    1. Every 50 metres of backing
    2. Only once, just before you start to back up
    3. Before backing and every vehicle length
    4. Only when you hear something

26. When may a taxi driver refuse a passenger?

    1. When the taxi is full or they are disorderly
    2. When the trip is too short to be worth taking
    3. When the person uses a wheelchair
    4. When the person has a guide dog

27. Where may cargo go in the passenger area of a bus?

    1. Beside the driver's seat
    2. In front of the emergency exit
    3. In the aisle, as long as it is tied down securely
    4. In racks, under seats or a closed compartment

28. What increases off track on a combination vehicle?

    1. Lower tire pressure
    2. Slower steering input
    3. A longer wheelbase or drawbar
    4. A shorter trailer

29. How much can trailer side skirts and other aerodynamic features improve fuel economy?

    1. 15 to 20 per cent
    2. 1 to 2 per cent
    3. They only improve looks
    4. 40 to 50 per cent

30. What does the governor do when system pressure reaches cut-out?

    1. Applies the spring brakes
    2. Unloads the compressor
    3. Opens the safety valve
    4. Shuts off the engine to save fuel