Ontario AZ Licence Practice Test 2026: Practice test 3

Practice test 3 of 6 for the Ontario AZ Licence Practice Test: 30 more questions with answers and explanations.

Commercial vehicle
Ontario
150 questions
Checked October 10, 2026

Question 1 of 30
Every driver must have taken at least how much off-duty time in the preceding 14 days?
- 36 consecutive hours
- 72 consecutive hours
- 24 consecutive hours
- 8 consecutive hours
Show answer
Answer: C. 24 consecutive hours
All drivers must have had at least 24 consecutive hours off duty within the past 14 days.
Question 2 of 30
How many consecutive hours off duty reset a 7-day cycle?
- 48
- 72
- 24
- 36
Show answer
Answer: D. 36
Resetting the 7-day cycle takes 36 consecutive hours off duty. The 14-day cycle needs 72.
Question 3 of 30
How many consecutive hours off duty reset a 14-day cycle?
- 72
- 36
- 96
- 48
Show answer
Answer: A. 72
Resetting the 14-day cycle takes 72 consecutive hours off duty.
Question 4 of 30
When may a driver switch from one cycle to the other?
- Only on weekends, after any 8-hour break
- At any time during a shift, as long as it is in the log
- Once a day, at midnight, without any off-duty time
- Only when starting a new cycle, after the required reset
Show answer
Answer: D. Only when starting a new cycle, after the required reset
A driver may switch cycles only when starting a new cycle.
Question 5 of 30
You spend two hours waiting for your trailer to be loaded at a warehouse. How is that time recorded?
- As on-duty time, not driving
- As sleeper berth time
- It does not need to be recorded
- As off-duty time
Show answer
Answer: A. As on-duty time, not driving
On-duty time includes loading, unloading, inspections and waiting for loading or unloading.
Question 6 of 30
Which of these is one of the four duty statuses in a daily log?
- Off duty in a sleeper berth
- Waiting for weather
- Personal errands while driving
- Training time
Show answer
Answer: A. Off duty in a sleeper berth
The four statuses are off duty (not in a sleeper berth), off duty in a sleeper berth, on duty driving, and on duty not driving.
Question 7 of 30
When may a driver skip keeping a daily log?
- When the truck is empty for the whole day, wherever it goes
- When they drive only on weekends and stay inside Ontario all day
- When they stay within 160 km, return to the start and work for one operator that day
- When they drive less than 500 km in the day, for any number of operators
Show answer
Answer: C. When they stay within 160 km, return to the start and work for one operator that day
The log exemption needs all three: within 160 km, back to the same place, one operator. The operator must still keep records.
Question 8 of 30
Which item must a daily log include?
- The names and addresses of every customer
- Odometer readings at the start and end of the day
- The fuel price paid and the fuel used that day
- The weather and road conditions for each hour
Show answer
Answer: B. Odometer readings at the start and end of the day
A daily log includes odometer readings, total distance, plate numbers, the cycle and each duty status change.
Question 9 of 30
Which vehicle is exempt from Ontario's hours-of-service rules?
- A school bus
- A dump truck over 4,500 kg
- A tractor-trailer hauling freight
- A motor home
Show answer
Answer: D. A motor home
Motor homes, tow trucks, ambulances and some other vehicles are exempt from hours-of-service rules.
Question 10 of 30
Ontario's cargo securement rules are based on which national standard?
- The Highway Code
- National Safety Code Standard 1
- The Canadian Electrical Code
- National Safety Code Standard 10
Show answer
Answer: D. National Safety Code Standard 10
Ontario's Security of Loads regulation adopts National Safety Code Standard 10 for cargo securement.
Question 11 of 30
After you start a trip, when must you first stop to check your cargo and tiedowns?
- Within the first 10 km
- After 500 km
- Only at the destination
- Within the first 80 km
Show answer
Answer: D. Within the first 80 km
Under the cargo securement standard, you check the cargo and its securement within the first 80 km of the trip.
Question 12 of 30
After the first check, how often must you re-check cargo securement during a trip?
- Every 1,000 km, or once a week, whichever comes first
- At a duty status change, or after 3 hours or 240 km, whichever is first
- Once a day, at the start of your shift only
- Only if the load shifts or one of the tiedowns breaks
Show answer
Answer: B. At a duty status change, or after 3 hours or 240 km, whichever is first
Re-check the cargo when your duty status changes or after 3 hours or 240 km of driving, whichever comes first.
Question 13 of 30
What must the total (aggregate) working load limit of your tiedowns be?
- At least 10% of the cargo weight
- At least twice the truck's weight
- At least half the weight of the cargo
- Exactly the weight of the cargo
Show answer
Answer: C. At least half the weight of the cargo
The aggregate working load limit of the tiedowns must be at least 50% of the cargo's weight.
Question 14 of 30
A single article of cargo is 1.2 m long, weighs 400 kg and is not blocked at the front. How many tiedowns does it need at minimum?
- Two
- Four
- One
- Three
Show answer
Answer: C. One
An article 1.52 m long or less and 500 kg or less needs at least one tiedown when it is not blocked at the front.
Question 15 of 30
A securement system must be strong enough to hold the cargo against which forward force?
- 0.1 g of deceleration
- 2 g of deceleration
- 0.8 g of deceleration
- 0.3 g of deceleration
Show answer
Answer: C. 0.8 g of deceleration
Securement systems must withstand 0.8 g forward, 0.5 g rearward and 0.5 g sideways.
Question 16 of 30
In Ontario, large trucks covered by the speed limiter rule must have their speed limiter set to no more than:
- 90 km/h
- 100 km/h
- 105 km/h
- 110 km/h
Show answer
Answer: C. 105 km/h
Ontario's speed limiter regulation requires covered trucks to be limited to 105 km/h.
Question 17 of 30
When driving a commercial motor vehicle faster than 60 km/h, how far behind another vehicle must you stay, except when passing?
- At least 15 m
- At least 30 m
- At least 120 m
- At least 60 m
Show answer
Answer: D. At least 60 m
Ontario law requires commercial motor vehicles over 60 km/h to keep at least 60 m behind other vehicles, except when overtaking.
Question 18 of 30
A train is coming as you approach a railway crossing. Where must you stop?
- At least 50 m from the nearest rail
- At least 5 m from the nearest rail
- Right on the tracks
- At least 1 m from the nearest rail
Show answer
Answer: B. At least 5 m from the nearest rail
When a train is approaching, stop at least 5 m from the nearest rail.
Question 19 of 30
About how far may a train need to stop under full emergency braking?
- About 500 m
- About 50 m
- Up to 2 km
- About 200 m
Show answer
Answer: C. Up to 2 km
A train can take up to 2 km to stop, so never try to beat a train to a crossing.
Question 20 of 30
You come up behind a stopped school bus with its red lights flashing. How far back must you stop?
- At least 20 m
- At least 50 m
- At least 10 m
- At least 5 m
Show answer
Answer: A. At least 20 m
Stop at least 20 m behind a school bus with flashing red lights, and wait until it moves or the lights stop.
Question 21 of 30
At a pedestrian crossover, when may you drive on?
- As soon as the pedestrian steps onto the curb
- When you sound your horn
- When the pedestrian has passed your lane
- When the pedestrian has completely crossed the road
Show answer
Answer: D. When the pedestrian has completely crossed the road
At pedestrian crossovers, drivers must wait until the pedestrian has completely crossed the road.
Question 22 of 30
When passing a cyclist in Ontario, how much space must you leave where practical?
- At least 50 cm
- At least 3 m
- At least 30 cm
- At least 1 m
Show answer
Answer: D. At least 1 m
Drivers must leave at least 1 m when passing a cyclist where practical.
Question 23 of 30
What is off-tracking when a tractor-trailer turns at low speed?
- The trailer brakes locking up when you turn sharply
- The tractor's front wheels sliding off the road on a turn
- The trailer's rear wheels cutting inside the path of the front wheels
- The trailer swinging wide, outside the tractor's path
Show answer
Answer: C. The trailer's rear wheels cutting inside the path of the front wheels
In low-speed turns the trailer's rear wheels cut inside the tractor's path, so you must allow extra room.
Question 24 of 30
This diagram shows a right turn with a tractor-trailer. How should you begin the turn?
- Swing out into the left lane first so the trailer has room, then turn right
- Stop before the corner and back the trailer around it
- Turn sharply from the right lane so the trailer wheels go over the curb
- Keep the trailer close to the curb, then go forward into the intersection before turning
Show answer
Answer: D. Keep the trailer close to the curb, then go forward into the intersection before turning
Keeping the rear close to the curb blocks others from passing on the right. Moving forward before turning lets the trailer wheels clear the corner.
Question 25 of 30
When should you use the inter-axle differential lock?
- Only when braking hard on a downgrade
- While the drive wheels are spinning fast on ice
- When traction is poor, engaging it before the wheels spin
- All the time on dry highways, to save fuel and tire wear
Show answer
Answer: C. When traction is poor, engaging it before the wheels spin
Engage the lock when traction is poor, never while wheels are spinning, and turn it off on good surfaces.
Question 26 of 30
You are about to go down a long, steep hill. What is the best way to control your speed?
- Stay in a high gear and ride the brakes all the way
- Choose a low gear before you start down and use the engine brake
- Shift to neutral at the top to save fuel
- Speed up near the top and brake hard at the bottom
Show answer
Answer: B. Choose a low gear before you start down and use the engine brake
Select a low gear before the descent and let the engine brake hold your speed so the service brakes do not overheat.
Question 27 of 30
What causes brake fade?
- Driving too slowly on flat roads for a long time
- Brakes overheating, often from long or hard use on downgrades
- Using the engine brake on long downgrades
- Cold weather when the brakes are first used each morning
Show answer
Answer: B. Brakes overheating, often from long or hard use on downgrades
Hot brakes lose effectiveness. Long descents, heavy loads and high speed make fade worse.
Question 28 of 30
What should you do before backing a large truck if you can?
- Turn off your four-way flashers so others are not confused
- Rely only on your convex mirrors to see behind
- Back up quickly before other traffic arrives
- Walk around to check the area and use a guide to help you
Show answer
Answer: D. Walk around to check the area and use a guide to help you
Check the area on foot first and use a guide when possible. Sound the horn and use your four-way flashers.
Question 29 of 30
This diagram shows a tractor-trailer's no-zones. Which side has the largest blind area?
- The left side, beside the cab
- There are no blind areas with good mirrors
- The right side, beside the trailer
- Directly in front of the cab
Show answer
Answer: C. The right side, beside the trailer
The right-side no-zone is the largest and can hide a whole car beside the trailer.
Question 30 of 30
How many demerit points lead to a licence suspension for a fully licensed Ontario driver?
- 20
- 15
- 9
- 6
Show answer
Answer: B. 15
Fully licensed drivers who reach 15 demerit points have their licence suspended.

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