How often must a Class D driver aged 80 or older submit a medical report?
Ontario Class D (DZ) Practice Test 2
40 questions on keeping your class d licence, class d licence and requirements, brake checks: hydraulic and air, signs, signals and markings, hours of service and logs and more.
- No sign-up
- Every answer explained
- Independent · not a government site
- Set 2 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 often must a Class D driver aged 80 or older submit a medical report?
- Every two years
- Every year
- Every five years
- Never
What does a Class D licence with RV restriction (condition Q) allow?
- Buses used to carry campers on trips
- Tractor-trailers towing camping trailers
- Any RV, plus Class G vehicles
- Any Class D truck up to 14,000 kg
Which handbook should you use for a full air brake pre-trip inspection?
- The CVOR operator's manual
- The Official Air Brake Handbook
- The Bus Handbook
- The Official Driver's Handbook
Since July 1, 2018, what must Class D drivers file from time to time to keep the class?
- A satisfactory medical report
- A letter from their employer
- A new road test every year
- A logbook audit from the operator
A sign shows a dangerous goods symbol in a red circle with a slash. What does it mean?
- Fuel available at the next exit
- Dangerous goods route ahead
- Fire station entrance ahead
- No dangerous goods trucks
After 8 hours off, you start at 5 a.m. After what time may you not drive, regardless of driving hours?
- 7 p.m. (14 hours later)
- 9 p.m. (16 hours later)
- 5 a.m. next day
- 6 p.m. (13 hours later)
A DZ driver takes a cold medicine that impairs them. Can they face criminal charges?
- No, it is a legal medicine
- Yes, any drug counts
- Only if they caused a crash
- Only if the label warns of it
You hold a Class 3 truck licence from another province. What Ontario class do you get?
- The same class
- A learner permit
- Always Class G
- Always Class A
Besides a fine, what can happen if you fail to report to a weigh scale?
- Mandatory MELT training again
- Loss of your Z endorsement
- Up to 30 days' suspension
- A one-year ban from the CVOR
With Class D, what is the heaviest trailer you may tow behind your truck?
- 11,000 kg
- 2,000 kg
- 4,600 kg
- Any weight
How should you back a truck according to the handbook's precautions?
- Using only the backup camera
- Quickly, to clear traffic sooner
- Slowly, with mirrors and a guide
- With all the windows closed
What do Community Safety Zone signs tell you?
- Parking is free in the zone
- Special risk to pedestrians
- Trucks are banned on the street
- Horns must be used at corners
A sign over the left lane shows a truck with a red slash. What does it mean?
- Trucks may pass here
- Trucks must use this lane
- No trucks in this lane
- Truck lane begins
What must you confirm about the heater and defroster in the in-cab check?
- They are switched off
- They are set to maximum
- They work in all positions
- They are removed for the test
Which vehicle may use an HOV lane with only the driver aboard?
- A green-plate electric vehicle
- A single-occupant pick-up
- A Class D dump truck
- A tractor-trailer
A used truck's brand reads "None". What does that tell you?
- It was rebuilt after a crash
- It has never been damaged
- It is unsafe to drive
- No Ontario brand applied
What does the annual inspection decal show?
- The name of the insurance company
- Vehicle type, month and year
- The truck's maximum top speed
- The driver's name and licence number
Your flares and reflectors are missing from the cab. How is this classed?
- Not a defect
- A critical defect
- A major defect
- A minor defect
Why choose your gear before starting down a long hill?
- It is required at all weigh scales
- It keeps the radio signal clear
- It saves wear on the tires
- Downshifting may be impossible later
How far to the right can a snow plow's wing extend?
- Up to 3 m
- Up to 5 m
- Up to 10 m
- Up to 1 m
You become stranded in a severe snowstorm. What should you do?
- Sleep with all windows sealed tight
- Stay with the truck
- Walk to the nearest town for help
- Run the engine nonstop for heat
Why should you operate the differential lock valve now and then?
- To drain water from it
- To recharge the air tanks
- To make sure it moves freely
- To reset the odometer
Testing air build-up, how far must pressure rise and in what time?
- 60 to 80 psi within 10 minutes
- 85 to 100 psi within 2 minutes
- 0 to 60 psi within 30 seconds
- 100 to 145 psi within 5 minutes
Which regulation contains the full Schedule 1 inspection lists?
- O. Reg. 512/97
- O. Reg. 363/04
- O. Reg. 199/07
- O. Reg. 555/06
Which of these is a commercial motor vehicle under the handbook definition?
- A farm tractor working in a field
- A car with a roof rack for luggage
- A truck with a fixed delivery body
- A motorized snow vehicle on a trail
Why do some loads need a protective bulkhead?
- To protect you if the load shifts
- To lower the truck's overall height
- To hide the cargo from other drivers
- To improve the truck's fuel economy
Before opening your cab door while parked on a street, what should you do?
- Nothing; cyclists must stop
- Sound the horn twice first
- Check mirrors for cyclists
- Turn on the windshield wipers
Which regulation sets Ontario's hours-of-service rules?
- O. Reg. 199/07
- O. Reg. 587
- O. Reg. 555/06
- O. Reg. 363/04
Air pressure drops toward 60 psi while you drive. What will the spring brakes do?
- Do nothing until 20 psi
- Release completely and stay off
- Begin to apply on their own
- Lock the steering wheel
In what order is the daily inspection test done?
- Interior, exterior, in-cab
- In-cab, interior, exterior
- Any order you choose
- Exterior, in-cab check, interior
What colour are the flags for an oversize load?
- Any bright colour
- Yellow or green
- Bright red or orange
- Blue or white
A car drives into the space you need to finish a right turn. What should you do?
- Go slowly and check first
- Sound the horn and keep turning
- Finish the turn quickly anyway
- Reverse back into the intersection
A driver on the 14-day cycle has 118 on-duty hours in 14 days. How much more on-duty time may come before driving stops?
- 2 hours
- None
- 12 hours
- 22 hours
At 15°C, how long should a truck warm up after a cold start?
- 3 to 5 minutes
- Up to 1 minute
- 15 to 20 minutes
- 7 to 10 minutes
Should you use warning devices for a daytime breakdown off the road?
- It is recommended
- No, never in daylight
- Only if police ask
- Only on 400-series roads
Why is turning a heavy straight truck different from turning a car?
- The steering works in reverse
- The rear wheels cut inside
- The truck pivots on its centre
- The front wheels slide outward
What happens if you shift without using the clutch?
- The brakes adjust themselves
- Fuel economy improves
- Transmission gear teeth wear down
- The engine runs cooler
You refuse to unload part of an overweight load when ordered. What fine range applies?
- $50 to $500
- $25,000 to $50,000
- $1,000 to $2,000
- $200 to $20,000
Your truck has a back-up alarm. Does it remove your responsibility when reversing?
- Only with a guide present
- Only in daylight
- Yes, the alarm warns everyone
- No, the driver stays responsible
Why should you avoid driving in other vehicles' blind spots?
- It is illegal on all Ontario roads
- It sets off the other vehicles' alarms
- It wastes fuel in the long run
- You may need room to move over
All Ontario Class D (DZ) practice tests
- Ontario Class D (DZ) Mock Exam 1 – 40 QuestionsUntimed practice · answers explained
- Ontario Class D (DZ) Mock Exam 2 – 40 QuestionsUntimed practice · answers explained
- Ontario Class D (DZ) Mock Exam 3 – 40 QuestionsUntimed practice · answers explained
- Ontario Class D (DZ) Mock Exam 4 – 40 QuestionsUntimed practice · answers explained
- Ontario Class D (DZ) Mock Exam 5 – 40 QuestionsUntimed practice · answers explained
- Class D licence and requirementsWhat Class D covers (over 11,000 kg, towing up to 4,600 kg), the RV-restricted Class D, the licence class chart, age, medical and document requirements.
- Weights, CVOR and documentsGross, registered gross and manufacturer's weight ratings, size limits, CVOR, documents to carry, inspection stations and weigh scales, impoundment for critical defects and dangerous goods.
- Daily inspection and defectsThe Schedule 1 inspection every 24 hours, minor versus major defects, tires, wheels and steering lash, annual inspection decals and straight-truck defect limits for brakes, suspension and wheels.
- Brake checks: hydraulic and airTesting hydraulic brakes with and without power assist, brake fluid limits, and the straight-truck air checks: build-up, air loss of 3 psi, low-air warning, pushrod stroke and spring brakes.
- Cargo securement and loadsBalancing and tying down loads, re-inspection intervals, NSC Standard 10, rear overhang marking, oversize load flags and signs, and loading within licensed capacity.
About this practice test
How many questions are in Ontario Class D (DZ) practice test 2?
40 original multiple-choice practice questions covering keeping your class d licence, class d licence and requirements, brake checks: hydraulic and air, signs, signals and markings, hours of service and logs, weights, cvor and documents, off-track, turns, clearances and backing, driver conduct and sharing the road, class d road test, fuel-efficient driving, hov and branding, daily inspection and defects, engine, gears and braking technique, night, weather and emergencies, cargo securement and loads. 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 2 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 D (DZ) test is based on.