Saskatchewan Commercial Practice Test 11

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. During the engine compartment check, which rule applies?

   1. Remove the radiator cap to check coolant
   2. Never check the belts with the engine running
   3. Check engine oil only when the engine is hot
   4. Start the engine before checking the hoses

2. With a push-to-release park valve, at about what pressure do spring brakes begin to drag?

   1. About 10 psi
   2. About 70 psi
   3. About 45 psi
   4. About 100 psi

3. When the ignition is turned on, how should a working ABS indicator light behave?

   1. Come on for a few seconds, then go out
   2. Flash slowly until the brakes are applied
   3. Stay off the whole time if ABS is working
   4. Stay on until the vehicle reaches 20 km/h

4. Trailers heavier than what weight must have their own service brakes?

   1. 900 kg (2,000 lb.)
   2. 1,360 kg (3,000 lb.)
   3. 2,000 kg (4,400 lb.)
   4. 4,600 kg (10,141 lb.)

5. What is the last coupling step SGI lists before driving away?

   1. Pull ahead and test trailer brakes with the hand valve
   2. Release the tractor air suspension and leave it lowered
   3. Lower the landing gear back down to the ground for support
   4. Disconnect the electrical cord to test it

6. Before entering a provincial highway, how far from the travelled portion must a school bus stop?

   1. Not less than 1 m and not more than 3 m
   2. Not less than 15 m and not more than 30 m
   3. Exactly at the shoulder line
   4. Not less than 4 m and not more than 10 m

7. A passenger urges a taxi driver to speed to catch a flight. What does SGI's research show?

   1. Speeding in city traffic saves only a few minutes
   2. Breaking rules is legal for paid fares
   3. Fast drivers have fewer collisions overall
   4. Speeding cuts city trip times in half

8. In winter, how often should you drain the air tanks?

   1. Only when the low air warning sounds
   2. Once a month during cold weather
   3. Daily, leaving them empty when not in use
   4. Only when water is seen at the gladhands

9. Your load overhangs the truck body. What marking is required at night?

   1. A red flag tied to the end of it
   2. A red light at the end of the overhang
   3. A white reflector on each side of the overhang
   4. An amber flashing light on the cab

10. What is the minimum number of exits every passenger vehicle must have?

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

11. A driver behind you wants to pass. What does SGI advise?

    1. Signal left to show them the road is clear
    2. Speed up so they do not need to pass
    3. Let them decide, then help them complete the pass
    4. Wave them past when you think it is clear

12. A fuel tanker has unloaded, but residue still makes it hazardous. How is the shipping document marked?

    1. RESIDUE – LAST CONTAINED
    2. CLEANED – NO HAZARD
    3. EMPTY – NOT REGULATED
    4. RETURN – SEE SHIPPER

13. Where is the PMVI decal placed on a bus or school bus?

    1. On the rear bumper
    2. On the right window
    3. On the left window
    4. On the left front corner

14. Under the weight and dimension regulations, a bus is a vehicle designed to carry more than how many passengers?

    1. 36
    2. 24
    3. 15
    4. 10

15. A driver has taken a sedating medication and then drinks a beer. How do the effects combine?

    1. They add up to the two amounts together
    2. They multiply, causing far more impairment
    3. The medication cancels out the alcohol
    4. Only the alcohol affects driving ability

16. What vehicle must you bring for a Class 1 road test?

    1. A school bus with air brakes
    2. A three-axle power unit and a 48 ft or longer trailer
    3. A two-axle truck towing any trailer heavier than 4,600 kg
    4. A tandem tractor without a trailer

17. How should you drive through a curve to avoid skidding, rolling or jackknifing?

    1. Slow before the curve, then apply gentle power
    2. Keep your speed and steer sharply at the apex
    3. Coast through the curve in neutral
    4. Brake firmly in the middle of the curve

18. The supply line to the trailer ruptures. What happens to the trailer brakes?

    1. They go into an emergency application at once
    2. They release completely
    3. They wait until the next foot application
    4. They work only with the hand valve

19. Why might badly adjusted brakes go unnoticed?

    1. They only fail in warm weather
    2. The low air warning hides them
    3. They make the pedal feel harder
    4. They seem fine under light braking

20. Your truck has an air dryer. Do you still need to drain the reservoirs?

    1. Only if the air dryer's own warning light comes on
    2. Only once a month during the summer driving season
    3. Yes, daily; the dryer does not remove all moisture
    4. No, the dryer removes all the water

21. On a highway curve to the left, where should you keep the front wheels?

    1. In the middle of the lane
    2. Over the centre line slightly, to give the rear wheels room
    3. Close to the right edge
    4. Close to the centre line

22. Above 90 km/h, roughly how much more fuel do you burn for every extra 10 km/h?

    1. About 10% more
    2. About 25% more
    3. About 2% more
    4. About 50% more

23. One wheel's brake is poorly adjusted. What happens to the other brakes?

    1. They lock up at the first application
    2. They release slightly to balance the load
    3. They do more than their share and may overheat
    4. They keep working exactly as before

24. Which trucks may a driver with a G (heavy trailer) endorsement use to tow heavy trailers?

    1. Two-axle trucks that are not power units
    2. Buses seating more than 24 people
    3. Any power unit with a fifth wheel and a semi-trailer
    4. Three-axle trucks over 11,794 kg

25. When may a driver refuse passage to a person who offers the legal fare at a scheduled stop?

    1. When it is full, or the person is drunk or disorderly
    2. When the person has a large suitcase
    3. When the person boards at a rural stop
    4. When the bus is running behind its published schedule