BC Class 1–4 Practice Test 2

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 can you identify a long stroke brake chamber?

   1. A red painted housing
   2. A round tag on the slack adjuster
   3. Square inlet ports or a trapezoid-shaped tag
   4. A larger return spring visible outside

2. How should you park a tractor-trailer?

   1. Apply the trailer hand valve, then leave the engine running
   2. Leave it in gear with the engine idling
   3. Tractor brakes set, trailer supply closed, wheels blocked
   4. Pump the foot valve and set the hand valve

3. How many passengers may sit on the driver's right in a sedan taxi?

   1. Up to three, if they can all fit on the seat
   2. Up to two, each with a seatbelt
   3. None; front seats stay empty
   4. One only

4. An oversize truck is driving empty. Does it still need an oversize permit?

   1. Only at night
   2. No, only when loaded
   3. Only on gravel roads
   4. Yes, loaded or empty

5. A school bus with children reaches an uncontrolled main railway crossing. What must the driver do?

   1. Stop right at the first rail
   2. Turn on the red lights and cross
   3. Slow down and cross without stopping if clear
   4. Stop 5 to 15 m away and listen

6. How long should you warm up a heavy diesel engine in temperatures above 0 °C?

   1. Until the cab is warm
   2. Under one minute
   3. 15 to 20 minutes
   4. Three to five minutes

7. Which class is shown on a corrosives placard?

   1. Class 5.1
   2. Class 2.2
   3. Class 8
   4. Class 6.2

8. What decal should you look for on the trailer and tractor?

   1. A CVIP inspection decal
   2. A MELT completion decal
   3. A dangerous goods placard
   4. An ICBC insurance sticker

9. How far may a load project beyond the front wheels or front bumper?

   1. No more than four metres
   2. No more than one metre
   3. No more than 30 cm
   4. No more than two metres

10. What is a runaway lane for?

    1. Stopping a truck whose brakes have failed
    2. Checking brakes before a hill
    3. Letting slow trucks be passed on long hills
    4. Parking overnight on a mountain pass

11. You wait 40 minutes at a weigh scale. How is that time recorded?

    1. As sleeper berth time
    2. As driving time
    3. As on-duty time
    4. As off-duty time

12. On which axles are spring parking brakes mounted?

    1. Trailer axles only
    2. All axles
    3. Steering axles only
    4. Rear axles only

13. What is the minimum licensed GVW of most commercial vehicles?

    1. 1.5 times the vehicle's net weight
    2. 5,500 kg for all vehicles
    3. Equal to the net weight
    4. Twice the vehicle's net weight

14. Which device may a commercial (non-GLP) driver use while driving in B.C.?

    1. A fixed hands-free phone, one touch
    2. A tablet held on the lap
    3. A hand-held phone, but only while stopped at red lights
    4. A phone held on speaker

15. How often must you check manual and automatic slack adjusters?

    1. Only when the brakes feel weak
    2. Weekly, at the yard
    3. Only at the annual inspection
    4. Daily, during the pre-trip inspection

16. How should you treat the vehicle's history for the pre-trip test?

    1. Assume it has not been driven that day
    2. Assume it was inspected this morning
    3. Skip items a mechanic has signed off
    4. Assume the brakes were adjusted yesterday

17. Below what thickness may a peace officer put a vehicle out of service for drum brake linings?

    1. 1/16 inch (1.6 mm)
    2. 1/2 inch (12.7 mm)
    3. 1/4 inch (6.4 mm)
    4. 1/8 inch (3.2 mm)

18. Which B.C. commercial class has a minimum age of 18 rather than 19?

    1. Class 2
    2. Class 3
    3. Class 1
    4. Class 4 unrestricted

19. Which vehicles should display the slow-moving vehicle sign?

    1. Vehicles parked on the shoulder
    2. All vehicles on a steep hill
    3. Any truck over 4,600 kg
    4. Vehicles travelling under 40 km/h

20. On the road test, what is the time target for completing a Class 2 bus pre-trip?

    1. Less than 45 minutes
    2. Less than 30 minutes
    3. Less than 10 minutes
    4. About an hour

21. When should you drain a trailer's air suspension before parking it?

    1. Before applying the trailer brakes
    2. Only in winter
    3. After driving away from the parked trailer
    4. Never; leave it charged

22. Where should a concentrated heavy load go on a straight truck?

    1. Tight against the headboard behind the cab
    2. Partly over or just ahead of the rear axles
    3. On the side nearest the curb
    4. At the very back of the deck

23. What does a relay valve reduce?

    1. Wear on the brake linings
    2. Fuel used by the compressor
    3. Air pressure in the wet tank
    4. Lag on both application and release

24. When does an engine retarder work best?

    1. At low engine r.p.m. and high road speed
    2. Only when the clutch is pressed
    3. Only on slippery roads
    4. At higher engine r.p.m. and lower road speed

25. What must an emergency vehicle give before speeding or going through a red light?

    1. A radio call to police
    2. Proper warning to other drivers
    3. A signal from the dispatcher
    4. Nothing; it may simply proceed

26. Your ambulance has lights and siren on. What should you assume about other drivers?

    1. They will always pull over
    2. They may not see or hear you
    3. They will stop in their lane
    4. They heard you from far away

27. What is a major cause of retread (recapped) tire failure?

    1. Overinflation
    2. Driving in the rain
    3. Underinflation
    4. Cold weather

28. What is the maximum fine for operating a vehicle whose brakes are not properly adjusted?

    1. $2,000
    2. $10,000
    3. $500
    4. $200

29. What vehicle must you bring for a B.C. Class 1 road test?

    1. Any tractor pulling an empty flat-deck trailer of any length
    2. A loaded 28,000 kg tractor-trailer with air brakes
    3. A tandem dump truck towing a pup trailer
    4. A bus seating at least 36 adults

30. Which is a cause of trailer whipping?

    1. Slow, smooth steering
    2. A shifting load
    3. Correct tire pressure
    4. A low centre of gravity