Why must a driver know the nature of the cargo?
Ontario Class D (DZ) Practice Test 5
40 questions on cargo securement and loads, daily inspection and defects, engine, gears and braking technique, class d road test, weights, cvor and documents and more.
- No sign-up
- Every answer explained
- Independent · not a government site
- Set 5 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.
Why must a driver know the nature of the cargo?
- To skip the daily inspection
- To set the speed limiter correctly
- To choose the right radio station
- To take the right fire precautions
A clearance light on your cube van is broken. What does the handbook say to do?
- Cover the lens with red tape
- Ignore it until the next rainstorm
- Park the truck out of service at once
- Report it for prompt repair
Your engine is running rough after start-up. What does the handbook allow?
- Drive off right away in high gear
- Rev it to the red line at once
- Shut it off and restart five times
- Raise engine speed gently until smooth
When the backing manoeuvre is finished, what must you do?
- Get out and measure the gap
- Leave the engine in reverse
- Drive forward to the start line
- Secure it and tell the examiner
What is registered gross weight?
- The weight a permit was issued for
- The truck's weight with an empty box
- The heaviest load ever carried
- The weight stamped on each tire
A second conviction within five years for not moving over for a stopped emergency vehicle brings what fine range?
- $400 to $2,000
- $100 to $500
- $1,000 to $4,000
- $5,000 to $10,000
Why do drivers new to a truck often brake hard in curves?
- Curve speeds are posted too low
- They misjudge safe curve speed
- Their brakes are always too weak
- Trucks cannot downshift in curves
Must the truck driver personally do the Schedule 1 inspection?
- No, it can be another person
- Only the fleet owner
- Yes, always the driver
- Only a licensed mechanic
What does "shock-loading the driveline" mean?
- Shifting with the engine off
- Releasing the clutch abruptly
- Driving on rough roads
- Overloading the cargo box
Where can you get a blank medical report form for a Class D application?
- Only from your employer
- Only from a hospital
- Only online from MTO
- At any DriveTest centre
At a crossing with gates, when may you cross the tracks?
- Once lights stop and the gate rises
- As soon as the train has passed
- When the gate first starts to rise
- If you can fit around the gate
Which two cycles can an operator assign to a driver?
- 7 days or 14 days
- 1 day or 7 days
- 7 days or 30 days
- 5 days or 10 days
On a Class D road test you make errors on two daily inspection items. What is the result?
- You pass with a warning
- You redo one item
- You lose 2 of 30 points
- You do not pass
Your duty status changes before 3 hours or 240 km. What does this mean for the load?
- No check is required
- Wait until 240 km
- Wait until 3 hours
- Re-inspect it now
Which factor is used in working out a truck's gross allowable weight?
- The spacing between its axles
- The driver's years of experience
- The fuel tank size
- The colour of the truck
On an air-brake dump truck, what must happen before you drive away?
- The ABS lamp must stay lit while moving
- All air tanks must be fully drained
- The engine must first reach 2,000 rpm
- Enough air; low-air warning off
How should you drive through a construction zone?
- Keep to the normal speed limit
- Stay in lane, expect stops
- Pass the pilot vehicle when clear
- Change lanes often to save time
Since July 1, 2025, what is the heaviest RV a full Class G licence alone covers?
- 14,000 kg
- 4,600 kg
- No limit
- 11,000 kg
In fog, what should you use as your guide on the road?
- The right edge of the road
- The left shoulder
- The vehicle ahead's lights
- The centre line
You cannot give a breath sample because of a medical condition. What can police require?
- A written statement
- Nothing more
- A road test
- A blood sample
What must you do at a flashing red light?
- Stop only at night
- Slow down only
- Come to a complete stop
- Yield only to trucks
On hydraulic brakes without power assist, what result means the truck must come out of service?
- The brake light comes on
- The pedal returns quickly
- The held pedal sinks steadily
- The pedal feels firm and stays up
Which route is usually most fuel efficient for a truck?
- A steep mountain shortcut
- A two-lane road through each village
- A flat highway bypassing towns
- The shortest route through downtown
About how much fuel can a big truck engine burn idling at 900 rpm?
- Up to 10 litres an hour
- Up to 1 litre a day
- Almost none
- Up to 4 litres an hour
Which habit is listed as a common cause of truck fires?
- Checking the tire pressure
- Using cruise control on hills
- Tossing cigarettes out
- Washing the truck too often
A driver uses a pick-up with a 5,500 kg MGVWR for personal errands. Do hours-of-service rules apply?
- Yes, always
- Only over 160 km
- No, it is exempt
- Only on weekends
At about what rpm can newer diesel engines be upshifted?
- About 2,000 rpm
- About 1,000 rpm
- About 1,600 rpm
- About 2,500 rpm
You are in a roundabout when an ambulance approaches. What should you do?
- Stop at once inside the circle
- Exit, pass the island, pull over
- Speed around the circle twice more
- Reverse out the way you came in
Which receipts are listed as supporting documents a driver should carry?
- Fuel, toll and lodging receipts
- No receipts are ever needed
- Grocery and pharmacy receipts
- Only receipts for tire purchases
You rent a 12,000 kg truck for 10 days to move your own furniture. Do hours-of-service rules apply?
- Yes, any truck over 4,500 kg is covered
- Only if the truck has air brakes fitted
- No, short personal leases are exempt
- Only after driving more than 160 km
A sign shows "10 t" inside a red circle. What does it restrict?
- Trucks over 10 m long
- Vehicles over 10 tonnes
- Parking to 10 minutes
- Speed to 10 km/h
What is the maximum legal vehicle height in Ontario?
- 4.5 m
- 4.15 m
- 3.9 m
- 5.0 m
A 68-year-old DZ driver builds up three demerit points. What is required at renewal?
- Only a medical form from a doctor
- Only a vision test at renewal
- Only a new photo for the card
- Vision, knowledge and road tests
The driver's seat belt will not latch. How is this classed?
- Minor if the trip is short
- A minor defect
- A major defect
- Not a defect
The low-air warning comes on at 50 psi. How is this classed?
- A minor defect
- Not a defect if the buzzer works
- A major defect
- Normal operation
During the in-cab check, what do you confirm about the steering wheel?
- Secure, with no excess free play
- It has a cover fitted on the rim
- It is the right colour for the cab
- It turns freely with the engine off
You move to a new address. What does a replacement licence cost?
- Nothing
- $160
- $23.75
- $90
Your load of pipe overhangs the rear by 1.2 m. Is a red flag required by the overhang rule?
- Yes, any overhang needs one
- No, the rule starts at 1.5 m
- Yes, at 1 m or more
- Only on gravel roads
What shape is a school zone sign?
- Eight-sided
- Round
- Five-sided
- Triangular
A G2 driver wants a Class D licence. Can they apply now?
- Yes, if they are over 21 years old
- Yes, with a medical report
- Yes, after passing a road test
- No, a full G is needed
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 5?
40 original multiple-choice practice questions covering cargo securement and loads, daily inspection and defects, engine, gears and braking technique, class d road test, weights, cvor and documents, driver conduct and sharing the road, off-track, turns, clearances and backing, class d licence and requirements, hours of service and logs, brake checks: hydraulic and air, night, weather and emergencies, keeping your class d licence, signs, signals and markings, fuel-efficient driving, hov and branding. 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 5 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.