BC Class 1–4 Mock Exam 4

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. Where must dangerous goods shipping documents be kept during a trip?

   1. At the carrier's office
   2. In the sleeper compartment only
   3. Locked in the trailer
   4. Readily available in the cab

2. What is blended air in a dual system?

   1. Air from the compressor and the wet tank
   2. Parking control fed by the higher reservoir
   3. Air shared between tractor and trailer
   4. Air mixed with alcohol vapour to stop freezing

3. 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

4. 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

5. 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

6. The trailer apron sits well above the fifth wheel's pivot points. What should you do?

   1. Release air from the tractor tires
   2. Back in faster so the fifth wheel forces it up
   3. Couple anyway and check later
   4. Adjust trailer height with the landing gear

7. What can happen if a heavy load is placed at the very back of a truck?

   1. The front tires overheat and wear quickly
   2. Braking improves
   3. The truck uses less fuel
   4. Steering becomes very difficult

8. Whom does a taxi driver have a duty to carry?

   1. Only customers going downtown
   2. All paying customers
   3. Only pre-booked customers
   4. Anyone the driver chooses

9. Which chain must NOT be used as a tiedown?

   1. One fitted with edge protection
   2. One rated for the cargo weight
   3. One with a locked binder
   4. One with a knot or a stretched link

10. 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

11. 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

12. In B.C., smoking is illegal in any vehicle carrying a passenger under what age?

    1. 12
    2. 19
    3. 16
    4. 21

13. What should you do after driving through deep water?

    1. Hold light brake pressure briefly
    2. Pump the brakes hard several times to dry them
    3. Stop and wait for the brakes to dry
    4. Nothing; air brakes are not affected

14. Is a cab protector a front-end structure under Standard 10?

    1. Yes, if it is steel
    2. No
    3. Yes, on logging trucks
    4. Yes, always

15. 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

16. 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

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. How much fuel is wasted for every 10 p.s.i. of tire underinflation?

    1. Almost none
    2. About five per cent
    3. About ten per cent
    4. About one per cent

19. 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

20. 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

21. 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

22. 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

23. Before opening the doors at a stop, from how far must the school bus be visible in each direction?

    1. At least 60 m
    2. At least 30 m
    3. At least 150 m
    4. At least 85 m

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

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

25. For a Class 6.2 infectious substance spill, whom should you call for technical advice?

    1. The nearest hospital
    2. WorkSafeBC
    3. ICBC claims
    4. CANUTEC

26. 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

27. There is a fire under the hood of your truck. How should you fight it?

    1. Open the hood wide first to reach the flames
    2. Wait for it to burn out
    3. Spray from below or through the grille
    4. Throw water on the engine

28. 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

29. How soon must trip inspection reports be given to the carrier?

    1. Within 60 days
    2. Within 7 days
    3. Within 20 days
    4. Within 24 hours

30. A passenger arrives with a guide dog. What must you do?

    1. Ask the dog to ride in the trunk
    2. Refuse unless pre-booked
    3. Charge an extra fare
    4. Let the dog ride and give it safe space

31. When is an overload permit issued?

    1. Whenever the shipper asks
    2. For any load under 4.4 m wide
    3. Only on weekends
    4. Only when the load cannot be reduced

32. 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

33. With an air dryer fitted, should you still drain the reservoirs?

    1. Only if the dryer fails
    2. Only in summer
    3. Yes, regularly
    4. No, never

34. Which colour usually marks the control (service) glad hand?

    1. Blue
    2. Yellow
    3. Red
    4. Green

35. Which tire tread is more fuel-efficient on drive and steer axles?

    1. Mud-and-snow tread
    2. Rib tread
    3. Lug tread
    4. Mixed tread on each axle

36. Which vehicle must stop at every uncontrolled main railway crossing in B.C.?

    1. A taxi carrying passengers
    2. A dump truck carrying gravel
    3. An empty flat-deck trailer
    4. A bus carrying passengers

37. 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

38. Using the pry method, what free stroke is acceptable?

    1. 1 to 1½ inches
    2. Less than 1/8 inch
    3. ½ to ¾ inch
    4. 1¾ to 2 inches

39. When may an ambulance driver use flashing red lights to get the right-of-way?

    1. When on a call or carrying a patient
    2. Whenever returning to the station after a call
    3. In heavy traffic at any time
    4. Only at night

40. What forward deceleration force must a cargo securement system withstand?

    1. 0.5 g
    2. 1.5 g
    3. 0.8 g
    4. 0.2 g

41. 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

42. 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

43. Does a 90-degree slack adjuster angle when applied prove the brake is adjusted?

    1. Yes, on automatic adjusters
    2. No; it depends on pushrod length
    3. Yes, a 90-degree angle always proves adjustment
    4. Only on trailer axles

44. Before the Class 1 leakage test, what minimum air pressure is needed?

    1. At least 60 p.s.i.
    2. At least 80 p.s.i.
    3. At least 100 p.s.i.
    4. At least 120 p.s.i.

45. A small article 1.2 m long weighs 700 kg and is not blocked. How many tiedowns?

    1. Three
    2. None if it is heavy
    3. One
    4. Two

46. 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

47. Which line fills the trailer reservoirs at full tractor pressure?

    1. The supply (emergency) line
    2. The electrical cable
    3. The control (service) line
    4. The hydraulic line

48. You fail a commercial knowledge test. How long must you wait before trying again?

    1. 24 hours
    2. 30 days
    3. 14 days
    4. 7 days

49. You drain only the supply reservoir and the primary gauge also drops. What might be faulty?

    1. A one-way check valve
    2. The safety valve
    3. The governor
    4. The foot valve

50. 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