Alberta Class 1–4 overview

Alberta Class 1–4 Mock Exam 3

Same format as the real test. Answers stay hidden until you submit. The official time limit is not published; the timer is a practice setting.

  • 30 questions
  • untimed
  • Pass mark 25/30
0/30
Mock exam 3 · Question 10 answered

Division 2.3 gases are:

All 30 questions in this test

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

  1. Division 2.3 gases are:

    1. Flammable
    2. Toxic
    3. Non-flammable and non-toxic
    4. Corrosive
  2. When should a bus driver shift gears during a turn?

    1. Whenever the engine labours
    2. At the start of the turn
    3. Halfway through the turn
    4. Never during the turn
  3. By what pressure should the low air warning come on as pressure drops?

    1. 20 psi
    2. 40 psi
    3. 60 psi
    4. 90 psi
  4. During a trip you find a defect that would endanger others. What does the maintenance rule require?

    1. Report it at the next annual inspection
    2. Tell the carrier and do not drive the vehicle
    3. Fix it yourself and report nothing
    4. Finish the trip, then report it
  5. What must you check before raising the box near a site?

    1. Overhead wires
    2. The radio frequency
    3. Only the tire pressures
    4. The fuel gauge
  6. Which steering method does the guide recommend for turning a large vehicle?

    1. Palming the wheel with one hand
    2. Using the spinner knob
    3. Hand-over-hand, using both hands
    4. Shuffle steering with one hand
  7. How should you hold a parked tractor-trailer?

    1. Trailer hand valve and low gear
    2. Tractor parking brake and wheel chocks
    3. Transmission in gear only
    4. Trailer hand valve and chocks
  8. You park a single-unit dump truck uphill on the right side of a road with no curb. Which way do the front wheels go?

    1. Straight ahead
    2. Toward the centre line
    3. To the right
    4. To the left
  9. Why may a Class 1 applicant get knowledge test questions from any chapter of the guide?

    1. Air brake questions are added at random
    2. Other classes skip chapter 4
    3. A Class 1 holder may drive other vehicle types too
    4. Class 1 knowledge tests always have 50 or more questions
  10. What is the longest semi-trailer box allowed?

    1. 16.2 m (53 ft)
    2. 17.4 m (57 ft)
    3. 14.6 m (48 ft)
    4. 18.3 m (60 ft)
  11. The bus has an automatic transmission. Before opening the door to unload, what should you do?

    1. Shift to neutral and release the brakes
    2. Leave it in drive and hold the brake pedal
    3. Park, park brake, foot on the brake
    4. Turn off the engine and red lights
  12. In an urban area, which reversing move is illegal?

    1. Backing slowly on a quiet street
    2. Backing into an intersection
    3. Backing into a marked parking stall
    4. Backing with a guide standing behind
  13. What causes high-speed off-tracking?

    1. A heavy load at the front
    2. Centrifugal force pushing the rear outward
    3. Low tire pressure on the steering axle tires
    4. Turning the wheel too slowly
  14. While filling propane, how do you know the tank has reached its maximum?

    1. The engine warning light turns on
    2. The hose becomes warm
    3. The pump shuts itself off automatically
    4. Liquid mist leaves the bleeder valve
  15. A yard worker inspected your truck and signed the report. Who is legally responsible for that report?

    1. The person who signed it
    2. The carrier's safety manager
    3. The driver who takes the truck
    4. Nobody until it is filed
  16. Since September 1, 2022, when may a driver operate a school bus without an S endorsement?

    1. With two passengers at most, none of them students or minors
    2. Whenever the whole trip is shorter than 50 kilometres
    3. When a teacher rides on the bus
    4. On weekends, holidays and other days without classes
  17. How should you control speed on a long, steep downgrade?

    1. Use the trailer hand valve only, to spare the tractor
    2. Ride the brakes lightly all the way down the hill
    3. Downshift before the crest and use the engine
    4. Shift to neutral and brake firmly
  18. Your governor cuts out at 125 psi. Where should it cut in?

    1. About 100 to 105 psi
    2. About 85 to 90 psi
    3. About 115 to 120 psi
    4. About 60 psi
  19. A bus breaks down on a rural highway in daylight. Where do the warning devices go?

    1. 75 m ahead of and behind the bus
    2. 30 m ahead of and behind the bus
    3. 150 m ahead only
    4. 10 m behind the bus only
  20. Under the regulation, when is a vehicle being used "for hire"?

    1. Whenever passengers share gas costs
    2. When someone is paid for the service the vehicle provides
    3. Whenever the vehicle is commercially registered
    4. Only when a taxi meter is used
  21. If a school bus has a strobe lamp, when must it be on?

    1. Only while students cross
    2. Only on gravel or snowy roads
    3. Only at night on rural roads
    4. In fog, blizzards or smoke
  22. You hold a Class 5 GDL (probationary) licence. Can you apply for a Class 3 licence now?

    1. No, not while you are a probationary GDL driver
    2. Yes, once you have passed the knowledge test
    3. Only for farm-registered trucks
    4. Yes, as long as you are at least 18 years old
  23. Which class covers corrosives that eat into metal and skin?

    1. Class 9
    2. Class 4
    3. Class 6
    4. Class 8
  24. A backing alarm is required around workers on foot. What must be true of it?

    1. It can be switched off on quiet sites
    2. It must be louder than the horn
    3. It only sounds in low light
    4. It is automatic and has no shut-off switch
  25. A driver passes your stopped school bus while its red lights flash. What can you do?

    1. Follow the vehicle to get its details
    2. Sound the horn and chase it
    3. Note the licence plate and report it to police
    4. Nothing; only police can see it
  26. A dangerous goods inspector asks to see proof of training. What must the driver show?

    1. The bill of lading only
    2. The driver's medical report
    3. The training certificate
    4. The vehicle registration
  27. A stop sign just past the tracks would leave your trailer over the rails. How long may you block the crossing?

    1. As long as the light at the stop sign is red
    2. Not at all, under any condition
    3. Up to two minutes if traffic is heavy
    4. 20 seconds at most, once clear of trains
  28. A carrier operates only in Alberta. Which trucks need trip inspection reports?

    1. Every truck, whatever its weight
    2. Trucks registered at 11,794 kg or more
    3. Only trucks with air brakes
    4. Trucks registered at 4,500 kg or more
  29. How often must trucks and trailers registered at 11,794 kg or more be inspected under the Vehicle Inspection Program?

    1. Every 12 months
    2. Every two years
    3. Every 24 hours
    4. Every six months
  30. What is the minimum tread depth for a tire on the steering axle?

    1. 3.2 mm
    2. 4.8 mm
    3. 1.6 mm
    4. 2.4 mm