Manitoba Commercial Practice Test 10

All 25 questions in this test

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

1. How often must a 55-year-old Class 1 driver submit a Medical Examination Report?

   1. Every five years
   2. Every year
   3. Every three years
   4. Every two years

2. Which practice causes preventable passenger injuries on buses?

   1. Turning slowly at intersections
   2. Sudden stops or starts with standees
   3. Stopping close to the curb at a loading zone
   4. Closing the doors before moving

3. What does the spring brake control valve knob usually look like?

   1. Red and eight-sided
   2. Green and square
   3. Yellow and four-sided
   4. Blue and round

4. How far apart should trucks travelling the same way on an ice road be staggered?

   1. About one kilometre
   2. About 100 m
   3. About five kilometres
   4. About 300 m

5. Testing the tractor protection valve, you hold the pedal with the service line disconnected. What shows a defect?

   1. The low air warning staying off
   2. No air at all coming out of the trailer service line
   3. The gauge needle holding steady
   4. Air exhausting from the trailer service line

6. What is 'rear amplification' in a highway train?

   1. The engine noise heard from the rear
   2. Sideways movement grows toward the last trailer
   3. Extra braking force on the rear axles
   4. The rear trailer pushing the tractor uphill

7. What is the maximum leak-test loss for a straight truck or bus in Manitoba?

   1. 1 psi per minute
   2. 4 psi per minute
   3. 3 psi per minute
   4. 6 psi per minute

8. Which bulk load may be carried without a tarpaulin if none falls off?

   1. Sand
   2. Wood chips
   3. Gravel
   4. Snow, earth or mud

9. Where are defects found during a post-trip inspection recorded?

   1. On a separate weekly form
   2. On the next morning's new report
   3. On that day's trip inspection report
   4. Only in the maintenance shop's records

10. A fire starts on your tractor-trailer combination. When should you separate the units?

    1. Only if the fire is inside the trailer
    2. Only if you are sure you can do it safely
    3. Never, the trailer brakes will lock
    4. Always, before calling for help

11. During a bus inspection, what must be checked about the emergency exits?

    1. They are covered to keep out the cold
    2. Only the roof hatch needs to be checked
    3. They are locked so passengers cannot open them
    4. They work, with a buzzer, from inside and out

12. What is required when refuelling a public passenger vehicle?

    1. Passengers seated with windows closed
    2. Engine running so passengers stay warm
    3. The nozzle held just above the opening
    4. Engine off, nozzle kept in contact and grounded

13. What is the adjustment limit for a standard type 30 clamp-type chamber?

    1. 1 3/8 in. (35 mm)
    2. 2 in. (51 mm)
    3. 2 1/2 in. (64 mm)
    4. 3 in. (76 mm)

14. When may the clutch brake be engaged by pressing the clutch to the floor?

    1. Each time you double-clutch while moving
    2. When slowing down on a steep downgrade to save the brakes
    3. Whenever you shift into a higher gear
    4. Only when the vehicle has come to a complete stop

15. How often must a commercial vehicle in service have a trip inspection?

    1. Every 12 hours
    2. Once a week
    3. Once every 24 hours
    4. Before each load is picked up

16. How should you drive into a runaway lane?

    1. Brake hard and turn sharply into the lane
    2. Shift into neutral and coast into the lane at an angle
    3. Foot off the gas, hold tight, steer straight up
    4. Enter it only after the vehicle has slowed

17. After the fifth wheel engages, how do you test the coupling?

    1. Tug in the lowest gear, then check for gaps and the lock
    2. Rock the trailer by hand from the landing gear
    3. Drive a short distance at normal speed and listen for noises
    4. Release the trailer brakes and coast backward

18. An overheight permit is for a load 5.4 m tall. Who must approve it besides the Motor Carrier Branch?

    1. Manitoba Public Insurance
    2. Only the local police service
    3. Bell MTS and Manitoba Hydro
    4. Transport Canada only

19. Except for pole trailers, what is the maximum length of a draw-bar in Manitoba?

    1. 5 m
    2. 1.83 m
    3. 3 m
    4. 10 m

20. A Manitoba Class 1 driver has a medical condition that bars commercial driving in the US. What appears on the licence?

    1. A Code W restriction
    2. A Code T restriction
    3. An S endorsement
    4. A Code L restriction

21. Which tank should you drain first?

    1. The secondary (dry) tank
    2. The trailer tank
    3. The supply (wet) tank
    4. The primary (dry) tank

22. What is the maximum height of a vehicle and load on a Manitoba highway without a permit?

    1. 5.2 m
    2. 3.85 m
    3. 4.6 m
    4. 4.15 m

23. Adjusting a manual slack adjuster, what do you do after the lining meets the drum?

    1. Back off the bolt about a third of a turn
    2. Tighten it one more full turn to remove any slack
    3. Leave it tight against the drum
    4. Back it off two full turns

24. Your load overhangs the rear by 1.4 m in daylight. What marking is required?

    1. An amber flashing light on the load
    2. No marking for overhangs under 2 m
    3. A yellow flag at least 15 cm square
    4. A red flag at least 30 cm square

25. When is the lane-straddling right turn used?

    1. Whenever traffic is light
    2. Only as a last resort on narrow streets
    3. Only on multi-lane highways
    4. On every right turn in a city with parked cars