How are the safety chains or cables connected on a non-fifth-wheel combination?
Ontario Class A (AZ) Practice Test 4
40 questions on coupling and uncoupling, size, weight, cvor and documents, cargo securement and oversize loads, night, weather and emergencies, controls, braking and jackknife control and more.
- No sign-up
- Every answer explained
- Independent · not a government site
- Set 4 of 7
- 40 questions
- Instant feedback
All 40 questions in this test
Every question and its answer choices. The correct answers and explanations appear when you take the test above.
How are the safety chains or cables connected on a non-fifth-wheel combination?
- Parallel
- Crossed
- Left hanging loose
- Knotted together
Which insurance document must a commercial driver carry?
- The insurance company's annual report
- A note from the operator's office
- The original insurance certificate
- A photocopy faxed by the broker
After loading, within what distance must you re-check the cargo for the first time?
- 8 km
- 500 km
- 160 km
- 80 km
How many previous days of daily logs must a driver carry, besides today's?
- 30 days
- 7 days
- 3 days
- 14 days
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
Where is over-braking a combination most likely to cause a skid or jackknife?
- At low speed in a yard
- When the trailer is fully loaded
- On wet roads or in curves
- On dry, straight highway
Besides identity, what must Class A applicants now document when they apply?
- Proof that they own a tractor-trailer
- Residence, legal status, work eligibility
- A hiring letter from a trucking employer
- Their credit rating and bank account details
During an alley dock, the trailer is turning too early and too sharp. How do you correct?
- Speed up to finish the turn
- Turn the wheel slightly left
- Turn the wheel hard right
- Stop and pull fully forward
As a best practice, how much space should you leave when passing a cyclist?
- No set distance
- At least 5 metres
- At least one metre
- At least 30 cm
What shape and colour is a stop sign?
- Red triangle
- White rectangle
- Red octagon
- Yellow diamond
How many exterior items will you be asked to inspect on the daily inspection test?
- Six
- Every item
- Two
- Four
Where should you stop the fifth wheel on the first approach to the trailer?
- Firmly against the trailer kingpin
- Just ahead of or slightly under it
- Directly underneath the landing gear
- About two metres in front of the trailer
Which item should you bring to the Class A knowledge test?
- Your completed medical report form
- Your truck's annual inspection decal
- A letter from your driving school
- A logbook for the previous 14 days
You approach a tow truck stopped on the shoulder with amber lights flashing, on a two-lane highway. What must you do?
- Stop behind it until it leaves
- Sound the horn as you pass
- Slow down and move over a lane if safe
- Keep speed; tow trucks are exempt
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
What do yellow lines on the pavement separate?
- Traffic going the same direction
- Opposite directions of traffic
- Parking spaces from driving lanes
- Bike lanes from regular car lanes
The same truck is caught a third time within two years with critical defects. What impoundment applies?
- 60 days
- 90 days
- 15 days
- 30 days
When turning right with a tractor-trailer, which road should provide most of the extra space?
- The road you are entering
- The sidewalk on the corner
- The road you are leaving
- The oncoming left-turn lane
Which of these is illegal?
- Renewing at a DriveTest centre
- Updating your address online
- Carrying your licence while driving
- Holding two Ontario driver's licences
On a curve to the right, where should you keep the tractor's front wheels?
- On the paved shoulder
- Centred exactly in the lane
- Near the left side of the lane
- Near the right edge of the pavement
Which item must you bring to every Class A road test?
- A device to measure pushrod stroke
- A printed route map
- A spare tire for the trailer
- A copy of the bill of lading
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
Can you be charged with impaired driving if your truck is parked and not moving?
- Yes
- Only on a highway
- Only with passengers
- No
How should the vehicle be secured for the exterior inspection?
- Parking brake on and wheels chocked
- Engine running in first gear
- Trailer hand valve applied
- Parking brake released
A driver's operator assigned the 7-day cycle. What is the on-duty total that stops driving within any 7 days?
- 120
- 80
- 70
- 60
How many duty status categories do the rules define?
- Three
- Six
- Two
- Four
Which device may a commercial driver legally use while driving?
- A two-way radio, mic mounted
- A hand-held cell phone on speaker
- A hand-held GPS unit held at the wheel
- A tablet showing a movie on the dash
When are vehicle lights required under the overhang rule?
- Only when it is raining or snowing
- Only on 400-series highways at night
- Only between midnight and 5 a.m.
- ½ hour before sunset to ½ after sunrise
Which class of fire involves grease, oil or gasoline?
- Class A
- Class B
- Class C
- Class D
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
Testing power-assisted hydraulic brakes, the pedal drops slightly and stops when you start the engine. What does it mean?
- The fluid is leaking out
- The brakes are out of adjustment
- The master cylinder has failed
- The power assist is working
Which two documents about the daily inspection must you carry?
- The tire receipts and the fuel receipts
- The current report and the schedule
- The annual certificate and the logbook
- The CVOR record and the bill of lading
Who may inspect the dangerous goods items on the schedule?
- Any person over 18
- Any passenger in the cab
- Only a qualified driver
- Only a police officer
Your pre-trip finds a minor defect. What must you do?
- Refuse to drive until it is repaired
- Fix it yourself before the next trip
- Ignore it until the annual inspection
- Record it and report it to the operator
On the 14-day cycle, what must you take before driving once you reach 70 on-duty hours?
- 8 hours in a sleeper berth
- 24 consecutive hours off
- A medical examination
- 36 consecutive hours off
Why should you not fan the brakes on dry pavement?
- It is the best way to stop fast
- It locks the trailer wheels
- It overheats the engine
- It wastes air and helps nothing
Unless a sign forbids it, what may you do at a red light after a full stop?
- Go straight when clear
- Turn right when clear
- Turn left from any road
- Nothing until green
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
On a regulatory sign, what does a red circle with a slash mean?
- The activity is allowed
- The activity shown is not allowed
- The rule applies at night only
- Caution is advised
About how long does the mandatory entry-level training course take?
- One to two days
- Four to six weeks
- Six to twelve months
- Two full years of study
All Ontario Class A (AZ) practice tests
- Ontario Class A (AZ) Mock Exam 1 – 40 QuestionsUntimed practice · answers explained
- Ontario Class A (AZ) Mock Exam 2 – 40 QuestionsUntimed practice · answers explained
- Ontario Class A (AZ) Mock Exam 3 – 40 QuestionsUntimed practice · answers explained
- Ontario Class A (AZ) Mock Exam 4 – 40 QuestionsUntimed practice · answers explained
- Ontario Class A (AZ) Mock Exam 5 – 40 QuestionsUntimed practice · answers explained
- Class A licence and requirementsWhat a full Class A, restricted AR and manual-transmission-restricted licence let you drive, the 4,600 kg towing threshold, age, medical, MELT training and documents needed to apply.
- Size, weight, CVOR and documentsLegal width, height and length limits for semi-trailers and combinations, CVOR registration, documents a driver must carry, inspection stations, weigh scales, impoundment and dangerous goods.
- Daily inspection and defectsSchedule 1 circle checks within 24 hours, major versus minor defects, reporting, tire tread and wheel checks, annual inspection decals and the defect limits for tractor-trailer air, coupler and suspension items.
- Coupling and uncouplingStep-by-step uncoupling and coupling of a tractor and semi-trailer: securing both units, landing gear, fifth-wheel height, the tug test, visual checks of jaws and plate, air lines and the road-test scoring.
- Cargo securement and oversize loadsSecuring and re-checking loads (80 km, 3 hours, 240 km), NSC Standard 10, rear overhang markings and the flags and signs required for oversize loads.
About this practice test
How many questions are in Ontario Class A (AZ) practice test 4?
40 original multiple-choice practice questions covering coupling and uncoupling, size, weight, cvor and documents, cargo securement and oversize loads, night, weather and emergencies, controls, braking and jackknife control, class a licence and requirements, off-tracking, turns and backing, driver conduct and sharing the road, signs, signals and markings, class a road test, keeping your class a licence, hours of service and logs, daily inspection and defects. Each answer includes an explanation. This mixed practice set does not reproduce the official exam format or predict an official score.
Are the questions the same every time?
Yes. Practice test 4 always has the same 40 questions, so you can repeat it until you get them all right. The other 6 sets use different questions.
Are these real test questions?
No. The official question bank is not published. These are original questions written from the official handbook, which is what the real Ontario Class A (AZ) test is based on.