BC Class 1–4 Mock Exam 2

All 50 questions in this test

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

1. There are two left-turn lanes. Which one should a large vehicle use?

   1. The right-hand turn lane
   2. Either lane
   3. Neither; go around the block
   4. The left-hand turn lane

2. 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

3. During the circle check, what should be true of the landing gear?

   1. Removed for the trip
   2. Touching the ground lightly
   3. Lowered halfway to steady the trailer in turns
   4. Fully raised, crank handle secured

4. 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

5. Once coupled, how should you first test the trailer service brakes?

   1. Lock up the brakes on a hill
   2. Pull the trailer supply valve while moving
   3. Pump the foot brake at highway speed
   4. Apply the trailer hand valve at slow speed

6. After coupling, why go under the trailer with a flashlight?

   1. To check the trailer's registration plate and decal
   2. To check the jaws are closed on the kingpin
   3. To look for the spare tire
   4. To adjust the brakes by hand

7. 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

8. When must NSC commercial vehicles be inspected?

   1. Only before long trips
   2. Before first use each day and after the final trip
   3. Once a week, at the start of the driver's work week
   4. Only after a breakdown

9. A passenger uses a wheelchair and has an assistant. To whom should you speak?

   1. To whoever pays the fare
   2. Only to the assistant
   3. Directly to the passenger
   4. To the dispatcher

10. 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

11. Which commercial trailers need reflective markings to the rear and sides?

    1. Trailers built before 2000 only
    2. Trailers 2.05 m wide or more
    3. Only trailers longer than 16 m
    4. Only trailers hauling dangerous goods

12. On a multi-day trip, when is a new trip inspection report due?

    1. By the first rest stop of each later day
    2. Only at the very end of the multi-day trip
    3. Only if a defect appears
    4. Every 1,000 km

13. 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

14. Between 90 and 100 km/h, about how much of the fuel goes to overcoming air resistance?

    1. About one-tenth
    2. About half
    3. Almost all
    4. About one-quarter

15. Which licence class does NOT allow you to drive an ambulance?

    1. Class 4 restricted
    2. Class 1
    3. Class 2
    4. Class 5

16. How much time off duty must a driver take every day?

    1. At least 8 hours
    2. At least 12 hours
    3. At least 10 hours
    4. At least 6 hours

17. 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

18. 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

19. Coupling a set of doubles, which trailer goes directly behind the tractor?

    1. The lighter trailer
    2. The heavier trailer
    3. The longer of the two trailers
    4. The empty trailer

20. 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

21. 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

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. How many separate braking systems must every motor vehicle have?

    1. At least two, both air-operated
    2. At least two, one of them mechanical
    3. Three, two of them hydraulic
    4. One, if it has air brakes

24. Before leaving the curb in a bus, how should you check traffic?

    1. Wait for a passenger's signal
    2. Sound the horn and go
    3. Mirrors alone
    4. Mirror and over your shoulder

25. 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

26. Your reservoirs hold 80 p.s.i. What is the most application pressure you can get?

    1. 80 p.s.i.
    2. 160 p.s.i.
    3. 100 p.s.i.
    4. 120 p.s.i.

27. 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

28. What temperature should brake components not exceed?

    1. About 500 °C
    2. About 250 °C
    3. About 80 °C
    4. About 120 °C

29. About how long should a Class 1 pre-trip inspection take on the road test?

    1. About two hours
    2. Under 10 minutes
    3. Less than 45 minutes
    4. About 90 minutes

30. What is the most common air brake defect found in commercial vehicle inspections?

    1. Frozen air dryers
    2. Leaking glad hand seals
    3. Brakes out of adjustment
    4. Low compressor oil

31. 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

32. After the first check, when is the next cargo securement check due?

    1. At a duty change, 3 hours or 240 km
    2. Once every 24 hours
    3. Only at the destination
    4. Every 80 km of driving, without any exception

33. About how much fuel can a heavy truck burn per hour of idling?

    1. None with a modern engine
    2. Up to 15 litres
    3. Up to half a litre
    4. Up to four litres

34. 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

35. 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

36. How do you avoid compounding during a pre-trip brake test?

    1. Apply the spring brakes first, then press the pedal hard
    2. Pump the foot valve quickly
    3. Release the spring brakes before a full application
    4. Use the trailer hand valve only

37. On an evenly loaded tractor-semitrailer, about what share of cargo weight is on the steering axle?

    1. About 1 per cent
    2. About 10 per cent
    3. About 25 per cent
    4. About 45 per cent

38. 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

39. 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

40. 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

41. 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)

42. About how much pushrod force does a Type 30 brake chamber give at 100 p.s.i.?

    1. About 30,000 pounds
    2. About 300 pounds
    3. About 1,000 pounds
    4. About 3,000 pounds

43. May a Class 5 driver drive a passenger vehicle used as a school bus?

    1. Only on rural routes
    2. Yes, any size, as long as no passengers ride
    3. Only if it seats 10 or fewer, driver included
    4. No, never

44. What is meant by "dynamiting" the trailer brakes?

    1. Pumping the trailer brakes quickly on a slippery road
    2. Full brake application when supply air is lost
    3. Overheating the brakes on a hill
    4. Releasing the brakes with the hand valve

45. Who needs a passenger transportation licence?

    1. Whoever runs a vehicle carrying passengers for hire
    2. Any driver with a Class 4 licence
    3. Only drivers of buses with more than 25 seats
    4. Only taxi companies with 10+ cars

46. Which driving record keeps you from applying for a B.C. commercial licence?

    1. Two speeding tickets in five years
    2. One parking ticket in the past year
    3. Four or more penalty-point offences in two years
    4. A collision you were not responsible for

47. 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

48. An article is 2.5 m long and is not blocked in front. How many tiedowns does it need?

    1. Four
    2. Two
    3. Three
    4. One

49. 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

50. 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