BC Class 1–4 Practice Test 5

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 does the heavy trailer endorsement (code 20) pre-trip differ from Class 1?

   1. It leaves out the air brake steps
   2. It is done with the engine running
   3. It adds a coupling-only test
   4. It skips the lights check

2. How often must the floor of a school bus be washed with disinfectant?

   1. Once a school term
   2. Once a month
   3. Every day
   4. At least once a week

3. Which vehicles must carry approved warning devices for breakdowns?

   1. Every vehicle with a Class 5 licence holder
   2. Only tractor-trailers over 63,500 kg
   3. Vehicles seating over 10, or over 2.3 m wide
   4. Only vehicles carrying dangerous goods of any class

4. You have automatic slack adjusters on the road test. What must you show the examiner?

   1. How to reset the ABS
   2. How to replace a brake chamber at the roadside
   3. How manual slack adjusters are adjusted
   4. Nothing about adjustment

5. A learner drives a bus with a Class 2 learner's licence. Who else may ride along?

   1. Only the supervisor and other Class 2 learners
   2. Family members of the learner only
   3. Up to 10 passengers if the supervisor agrees
   4. Any passengers on a scheduled route

6. How should you start a heavy diesel engine?

   1. With the throttle held halfway
   2. With zero throttle
   3. Pumping the throttle twice
   4. With ether every time

7. Why must drivers of most heavy manual transmissions double-clutch?

   1. The law requires it in town
   2. Most lack synchromesh
   3. It cools the transmission
   4. It saves fuel on hills

8. What does the guide say is always more important than meeting the schedule?

   1. Fuel economy
   2. Collecting all fares
   3. Passenger safety
   4. Saving engine wear

9. After age 66, how often does a Class 4 driver receive a routine medical form?

   1. Every year
   2. Every five years
   3. Every three years
   4. Never again

10. If you double both speed and weight, how much more stopping power is needed?

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

11. During an en route check you find smoke coming from an oil-filled hub. What should you do?

    1. Do not continue driving
    2. Pour water on it and continue
    3. Drive slower and watch it
    4. Keep driving to the next town

12. Why do the leakage test with the parking brakes released?

    1. To check the low-air warning
    2. To avoid compounding
    3. To save fuel
    4. To hear the compressor

13. How can a driver on Cycle 2 reset the cycle?

    1. Take 72 consecutive hours off duty
    2. Take 24 hours off in any blocks
    3. Take 36 consecutive hours off duty
    4. Switch to Cycle 1 for a day

14. How should a partial load of livestock be carried?

    1. Use false bulkheads to keep them together
    2. Leave gates open for air
    3. Load them only at the rear
    4. Spread the animals out across the whole deck

15. How can you tell the tractor is lined up straight with the trailer?

    1. The trailer fills the right mirror and none of the left
    2. Each mirror shows an equal part of the trailer
    3. The trailer lights appear in both mirrors
    4. You can see the kingpin in the left mirror

16. Why is it illegal to park a vehicle using air pressure alone?

    1. A leak could release the brakes
    2. It overheats the brake drums
    3. It wears out the compressor
    4. It drains the battery

17. Who is ultimately responsible for brake adjustment before the vehicle moves?

    1. The maintenance crew
    2. The driver
    3. The vehicle owner only
    4. The CVIP inspector

18. What is a large capacity limousine?

    1. One carrying 11 to 24 people
    2. Any limousine that is longer than eight metres
    3. One carrying more than 25 people
    4. A limousine used only for weddings

19. When does the air compressor run?

    1. Only when the brakes are applied
    2. Only above 60 p.s.i.
    3. Whenever the engine is running
    4. Only when the driver switches it on

20. How often does the guide recommend en route inspections, including tires and cargo?

    1. Every 30 minutes
    2. Once a day at the start
    3. At least every three hours
    4. Only at weigh scales

21. Which vehicles do B.C.'s cargo securement rules apply to?

    1. Only vehicles crossing provincial borders
    2. Only trucks over 5,500 kg
    3. Every vehicle carrying cargo on a highway
    4. Only flat-deck trailers

22. The trailer spring brakes will not release and the service brakes do not work. What is a likely cause?

    1. The landing gear is down
    2. The supply and control lines are reversed
    3. The trailer is overloaded on its rear axle
    4. The ABS lamp has failed

23. Why must you never unlock the pintle hook while the converter dolly is still under the rear trailer?

    1. The air lines will freeze
    2. The dolly brakes will lock and damage the tires
    3. The tow bar can fly up and hurt someone
    4. The trailer will roll forward

24. How can you shrink your danger zone when a hazard is developing?

    1. Slow down and cover the brake pedal
    2. Turn on the four-way flashers
    3. Speed up to get past it
    4. Change lanes repeatedly

25. A parked trailer without spring brakes slowly loses its reservoir air. What happens?

    1. Its brakes release
    2. Nothing changes
    3. The landing gear lowers
    4. Its brakes apply harder

26. When does a 30 km/h playground zone limit apply in B.C.?

    1. Only when children are visible
    2. Weekdays from 7 a.m. to 7 p.m.
    3. School days, 8 a.m. to 5 p.m.
    4. Every day from dawn to dusk

27. When may bus passengers stand?

    1. Only if its licence allows it, up to the posted limit
    2. On trips shorter than 10 km
    3. Only at the back of the bus
    4. Whenever all of the seats are already full

28. How are dump trucks and cement mixers designed to share their load?

    1. About 45 per cent each, 10 per cent steering
    2. About 50 per cent front, 50 per cent rear
    3. About 70 per cent rear, 30 per cent steering axle
    4. About 90 per cent rear, 10 per cent steering axle

29. A line rupture empties the primary reservoir. What protects the secondary reservoir?

    1. The safety valve
    2. The one-way check valve
    3. The quick release valve
    4. The governor

30. How far may side mirrors extend without counting in the vehicle's width?

    1. Up to 50 cm per side
    2. Up to 10 cm per side
    3. Up to 20 cm per side
    4. Any distance