On the Class A road test, how many errors are allowed in uncoupling and coupling combined?
Ontario Class A (AZ) Mock Exam 2
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.
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- Every answer explained
- Independent · not a government site
- 40 questions
- untimed
- Pass mark 32/40
All 40 questions in this test
Every question and its answer choices. The correct answers and explanations appear when you take the test above.
On the Class A road test, how many errors are allowed in uncoupling and coupling combined?
- Ten
- Five
- Two
- None
The trailer's rear wheels slide sideways. What should you do?
- Release brakes, ease on throttle
- Shift into neutral and coast to a stop
- Brake harder with the foot valve
- Apply the trailer hand valve hard
Which vehicle may a Class A licence holder NOT drive?
- A tractor with a flatbed semi-trailer
- A pick-up towing a 5,000 kg trailer
- A bus carrying passengers
- A dump truck over 11,000 kg
How far should you lower the landing gear when uncoupling?
- Until it lifts the trailer two inches
- Just above or just touching the ground
- Halfway, then let the tractor lower it
- All the way until the pads stop
What is the minimum tread depth on the steer tires of a tractor rated over 4,500 kg?
- 3 mm
- 5 mm
- 1.5 mm
- 2 mm
What must new Class A applicants complete before the Class A road test?
- Mandatory entry-level training (MELT)
- A dangerous goods certificate course
- A Z endorsement practical exam
- A one-year Class D driving period
What is progressive shifting?
- Shifting before maximum governed rpm
- Skipping gears when loaded
- Downshifting on every hill
- Shifting at maximum rpm each time
Which trucks must have a speed limiter?
- 1995 or newer, 11,794 kg MGVWR or more
- Any truck over 4,500 kg
- Only trucks hauling dangerous goods
- Only trucks built after 2015
A small car is passing your rig. What is the courteous thing to do?
- Slow a little to let it in
- Flash your high beams as a warning
- Speed up so it passes sooner
- Move left to block it from passing
A load sticks out 1.5 m past the rear of your flatbed at night. What marking is required?
- A blue flag
- A white reflector
- An amber flasher
- A red light
Your service brakes fail on a level road. What should you do first?
- Pull the trailer supply valve at speed
- Steer into the ditch
- Shut off the engine
- Downshift and use engine braking
A Class A licence lets you tow vehicles whose total gross weight is more than how much?
- 11,000 kg
- 4,600 kg
- 14,000 kg
- 2,000 kg
What does a flashing green light mean?
- Pedestrians may now cross the road
- The light is about to turn red
- Proceed with caution as at an all-way stop
- Advance green; oncoming has red
Which endorsement is needed on top of Class A to drive a tractor with air brakes?
- A Q restriction
- A Z endorsement
- A T endorsement
- An R condition
Which item is NOT required when the daily log is made by a recording device?
- The odometer readings
- The driver's name
- The cycle being followed
- The graph grid
Every driver must have had at least 24 consecutive hours off within the preceding how many days?
- 10
- 30
- 7
- 14
What are the three main parts of the Class A road test?
- Coupling, loading and fuelling
- Inspection, backing and on-road driving
- Parking, logbook and weigh scale
- Vision, written and medical tests
Which lane should you generally choose when driving along a multi-lane road?
- Whichever is emptiest
- The right-most safe lane
- The left-most lane
- The centre lane always
Who trains a driver to carry dangerous goods and issues the certificate?
- Transport Canada inspectors only
- The driver's current employer
- Any community college of the driver's choice
- DriveTest at a road test
A coupler mounting has one loose fastener. How is it classed?
- A minor defect
- A critical impound defect
- A major defect
- Not a defect
An ambulance with its siren on approaches from behind. What must you do?
- Speed up to clear the lane
- Move right and stop
- Move into the left lane
- Stop where you are
What may a tractor-trailer use in a roundabout that small vehicles should not?
- The exit's bike lane
- The inside of the island
- The raised central apron
- The outside sidewalk
Which time is a peak period for drowsy-driving collisions?
- 8 a.m. to 10 a.m.
- 6 p.m. to 8 p.m.
- 2 a.m. to 6 a.m.
- 11 a.m. to 1 p.m.
A learner wants to practise driving a tractor-trailer. Who must ride with them?
- Any passenger aged 21 or older
- Any driver who holds a full G licence
- A driver with a valid Class A licence
- A licensed mechanic or technician
At what point in a right turn is your view in the right mirror most limited?
- When you first signal the turn
- When you cross the stop line
- At the tractor's sharpest angle
- When you are fully straightened out
What does overdriving your headlights mean?
- Your high beams are much too bright
- Stopping distance exceeds sight distance
- You use your headlights in daytime
- Your headlights are aimed too low
A fire starts in your combination. Which step is recommended if possible?
- Open the trailer doors
- Drive to the next exit
- Uncouple the units
- Pour water on fuel
How long do demerit points stay on your record?
- One year from conviction
- Until your next renewal
- Five years from the offence
- Two years from the offence
On the 14-day cycle, what is the on-duty limit before driving must stop?
- 140 hours
- 120 hours
- 100 hours
- 70 hours
A tire is burning on your trailer. What class of fire is that?
- Class D
- Class C
- Class A
- Class B
After how many hours on duty in a day may you no longer drive?
- 13
- 16
- 14
- 12
In which position should the inter-axle differential lock normally be kept?
- Unlocked
- Half locked
- Locked
- Locked above 50 km/h
After at least 8 consecutive hours off, you may not drive once how much time has elapsed?
- 24 hours
- 14 hours
- 16 hours
- 13 hours
What happens if a Class A driver does not file a required medical report?
- Nothing happens until renewal time
- The licence is downgraded
- A warning letter only
- A small fine on the next renewal
What increases the amount of off-track?
- A heavier load
- Wider tires
- Higher air pressure
- A longer wheelbase
How many duty status categories do the rules define?
- Three
- Six
- Two
- Four
Will the examiner guide you while you back up?
- No, they give no help
- Yes, over a two-way radio
- Yes, using hand signals
- Only if you ask them twice
What is the error limit for the on-road and backing parts together?
- 30 errors
- 50 errors
- 10 errors
- 20 errors
A tractor is found with a critical brake defect for the first time. How long can it be impounded?
- 15 days
- 30 days
- 60 days
- 5 days
After loading, within what distance must you re-check the cargo for the first time?
- 8 km
- 500 km
- 160 km
- 80 km
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