Saskatchewan Commercial Practice Test 9

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 automatic slack adjusters be checked?

   1. Weekly
   2. Only at the PMVI inspection
   3. Daily
   4. Monthly

2. During which hours do most fatigue-related collisions occur?

   1. Noon–2 p.m. and 6–9 p.m.
   2. 1–4 p.m. and 2–6 a.m.
   3. 10 a.m.–noon and 8–11 p.m.
   4. 7–9 a.m. and 4–6 p.m.

3. What determines how much heat a brake drum can absorb?

   1. The width of the tire tread
   2. The colour of the drum paint
   3. The thickness of the metal
   4. The length of the slack adjuster

4. How do you test the trailer's emergency brakes in the Class 1 brake response test?

   1. Hand valve applied, then reverse slowly
   2. Trailer brakes off, tractor brakes on, pull hard
   3. Trailer emergency brakes on, tractor brakes off, pull gently
   4. Both park brakes off, coast down a slope

5. What should come first for a bus driver: the schedule or safe operation?

   1. Safe operation, only in bad weather
   2. The schedule on rural routes
   3. Safe operation, always
   4. The schedule, if passengers complain

6. During a combination pre-trip test you break the supply line. What should happen?

   1. Nothing happens until the foot valve is pressed
   2. Trailer brakes release and the tractor loses all air
   3. The low air warning sounds at 100 psi
   4. Trailer brakes apply and tractor air shuts off at 20 psi or more

7. Which matter must a school bus driver promptly report to the employer?

   1. Any change in the driver's home phone
   2. A minor dent found on a private car in the driveway
   3. A medical condition that could affect safe driving
   4. A parking ticket received on a personal vehicle

8. Signs allow two lanes to turn left. Which lane should a tractor-trailer use?

   1. Both lanes at once
   2. The lane furthest to the left
   3. Whichever lane has less traffic
   4. The lane furthest to the right

9. A farmer drives a farm-plated three-axle truck with air brakes. Which licence is needed?

   1. Class 3 with an air brake endorsement
   2. Class 1 with an air brake endorsement
   3. Class 5, with no air brake endorsement
   4. Class 3 without an air brake endorsement

10. A commercial bus operates on trips into Alberta. How often must it be inspected under PMVI?

    1. Every 6 months
    2. Every 24 months
    3. Every 3 months
    4. Every 12 months

11. Your overheight load will be taller than 5.2 m. Whom must you check with before moving it?

    1. The nearest weigh scale
    2. SGI's Medical Review Unit
    3. SaskPower and SaskTel
    4. The local fire department

12. On ice and snow, how much longer can stopping distances be than on dry pavement?

    1. Two to three times longer
    2. About 50% longer
    3. Fifteen to 20 times longer
    4. Three to 12 times longer

13. What is blended air?

    1. Air taken from both the primary and secondary circuits
    2. Air that has passed through the air dryer
    3. Air mixed with oil to lubricate valves
    4. Air from the trailer and tractor tanks together

14. Before backing into a loading dock, which step does SGI list?

    1. Back toward the blind side for a wider view
    2. Release the parking brake before getting out
    3. Turn on four-way flashers and sound the horn
    4. Turn off your lights so others are not dazzled

15. During the Class 1 trip inspection, what must be true of the fifth-wheel locking handle?

    1. It is in the locked position
    2. It is removed and stowed in the cab
    3. It is tied back with wire
    4. It is pulled out for easy release

16. What is the purpose of the one-way check valve between the supply and service reservoirs?

    1. It warns the driver of low pressure
    2. It stops air flowing back if the supply side fails
    3. It lets air flow both ways to balance tanks
    4. It releases excess pressure into the air

17. How should you attach the converter dolly tongue to the pintle hook?

    1. By leaving the safety latch open for turns
    2. By backing into it at speed
    3. By hand, then fasten the latch, chain and pin
    4. With the trailer hand valve applied

18. During your trip inspection you find a major defect. What does the law require?

    1. Do not drive until it is repaired
    2. Drive only to your planned destination
    3. Repair it before the next day's inspection
    4. Report it on the post-trip inspection

19. You drive a tractor without a trailer and it has no dead-end couplers. What should you do with the gladhands?

    1. Let them hang free behind the cab so they drain
    2. Tape over the openings with duct tape until needed
    3. Lock the service and supply gladhands together
    4. Disconnect them from the tractor

20. You are hauling gravel in an open box. What should you do?

    1. Drive slower than 60 km/h instead
    2. Fill the box only to the halfway mark
    3. Cover the load completely with a tarp
    4. Wet the gravel so it stays in place

21. At a bus stop, how far from the waiting students should the bus stay?

    1. At least 10 cm
    2. At least 1 m (3 ft.)
    3. At least 5 m (15 ft.)
    4. Right beside them at the curb

22. On a steep downgrade, how far below maximum governed rpm should you keep the engine?

    1. At least 200 to 300 rpm below
    2. At least 800 to 1,000 rpm below
    3. Right at the governed maximum
    4. At least 50 to 100 rpm below

23. Before pulling a bus away from the curb, what should you do besides checking the mirror?

    1. Look over your left shoulder
    2. Open the door to check behind
    3. Flash the headlights twice
    4. Sound the horn three times

24. A truck 2.4 m wide travels outside a town. What warning equipment must it carry?

    1. One flare and a fire blanket
    2. Four orange cones and a flag
    3. Three flares, reflectors or lanterns
    4. Two warning triangles and a flashlight

25. A rideshare driver carries up to 9 passengers for hire. Which licence class covers this work?

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