Ontario AZ Licence Practice Test 2026

The Class A knowledge test is the written test you take before the Class A road test in Ontario. AZ means a Class A licence with a Z (air brake) endorsement. These original questions are written from the Official MTO Truck Handbook and cover licensing, daily inspections, hours of service, coupling, cargo securement, size limits and safe truck driving.

  • Veículo pesado
  • Ontário
  • 150 perguntas
  • Verificado em 10 de outubro de 2026

Resposta rápida

Entidade responsável: Ministry of Transportation of Ontario (MTO); tests at DriveTest centres. Idade mínima: 18. Pratique aqui gratuitamente com 150 perguntas, cada uma com a resposta e uma explicação. Verificado com fontes oficiais em 10 de outubro de 2026.

Leia antes de praticarComece por aqui: Ontario AZ Licence Study Guide. Notas em linguagem simples, diagramas e os números a memorizar.
  1. Pergunta 1 de 25

    In Ontario, what does a Class A licence let you drive?
    Mostrar resposta

    Resposta: B. A motor vehicle towing a vehicle with a total gross weight over 4,600 kg

    Class A covers combinations where the towed vehicle has a total gross weight over 4,600 kg (10,000 lb).

  2. Pergunta 2 de 25

    Besides Class A vehicles, which other licence classes does a Class A licence include?
    Mostrar resposta

    Resposta: B. Classes D and G

    A Class A licence also allows you to drive Class D and Class G vehicles.

  3. Pergunta 3 de 25

    Which vehicle may a Class A licence holder NOT drive with that licence alone?
    Mostrar resposta

    Resposta: B. A passenger bus

    Class A does not cover passenger buses, motorcycles or mopeds. Buses need a bus class.

  4. Pergunta 4 de 25

    What is the minimum age to apply for a Class A licence in Ontario?
    Mostrar resposta

    Resposta: C. 18

    You must be at least 18 years old to apply for a Class A or Class D licence.

  5. Pergunta 5 de 25

    Which licence must you already hold before you can apply for Class A?
    Mostrar resposta

    Resposta: C. A valid Ontario licence other than G1, G2, M, M1 or M2

    Class A applicants need a valid Ontario licence that is not a G1, G2, M, M1 or M2.

  6. Pergunta 6 de 25

    What new rule starts on January 1, 2027 for Class A road test applicants?
    Mostrar resposta

    Resposta: C. You must have held a Class G or higher licence for at least 6 months

    From January 1, 2027, you must have held a Class G or higher licence for at least 6 months before the Class A road test.

  7. Pergunta 7 de 25

    When must a new Class A applicant complete mandatory entry-level training (MELT)?
    Mostrar resposta

    Resposta: C. Before taking the Class A road test

    All new Class A applicants must finish the mandatory training course before the Class A road test.

  8. Pergunta 8 de 25

    Since what date has mandatory entry-level training been required for new Class A applicants in Ontario?
    Mostrar resposta

    Resposta: D. July 1, 2017

    Mandatory entry-level training for Class A started on July 1, 2017.

  9. Pergunta 9 de 25

    Who delivers the mandatory entry-level training for Class A?
    Mostrar resposta

    Resposta: B. A ministry-approved training provider

    The course content is offered by ministry-approved providers.

  10. Pergunta 10 de 25

    Do drivers who already hold a Class A licence have to take the mandatory entry-level training?
    Mostrar resposta

    Resposta: A. No, it applies to new Class A applicants

    Drivers who already have a Class A licence are not required to take the training.

  11. Pergunta 11 de 25

    What vehicle do you need for a full (unrestricted) Class A road test?
    Mostrar resposta

    Resposta: D. Full air brakes on both units, a trailer rated at least 4,600 kg, and an 8-speed or more manual with high-low range

    The full Class A test vehicle needs a trailer with an MGVWR of 4,600 kg or more, full air brakes on both units and a manual with at least eight forward gears and a high-low range.

  12. Pergunta 12 de 25

    What happens if you take your Class A road test in a vehicle that does not meet full Class A requirements, such as a trailer without air brakes?
    Mostrar resposta

    Resposta: C. You get a restricted Class A licence (AR)

    Testing in a vehicle that does not meet full Class A requirements gives you a restricted Class A (AR) licence.

  13. Pergunta 13 de 25

    What may a restricted Class A (AR) licence holder NOT do?
    Mostrar resposta

    Resposta: C. Pull an air-brake trailer or drive a full-size tractor-trailer

    AR holders cannot pull air-brake trailers, drive full-size tractor-trailers or drive double trailers.

  14. Pergunta 14 de 25

    Since July 1, 2022, what happens if you pass the Class A road test in a manual truck with fewer than 8 forward gears or no high-low range?
    Mostrar resposta

    Resposta: D. Your licence is restricted to automatic, semi-automatic or automated-manual vehicles

    A test in a manual vehicle without at least eight forward gears and a high-low range results in a transmission restriction.

  15. Pergunta 15 de 25

    What does a Class D licence allow?
    Mostrar resposta

    Resposta: B. Trucks over 11,000 kg, or combinations where the towed vehicle is 4,600 kg or less

    Class D covers heavy trucks over 11,000 kg and combinations where the towed vehicle does not exceed 4,600 kg.

  16. Pergunta 16 de 25

    Which official book should you study for the Class A knowledge test?
    Mostrar resposta

    Resposta: D. The Official MTO Truck Handbook

    The Official MTO Truck Handbook covers the rules and skills tested for truck licences.

  17. Pergunta 17 de 25

    Which document must you bring when you apply for a Class A licence and take the knowledge test?
    Mostrar resposta

    Resposta: D. A completed ministry medical certificate

    Class A and D applicants must provide a satisfactory medical certificate on application and from time to time after that.

  18. Pergunta 18 de 25

    During the Class A road test daily inspection, how many inspection items are chosen at random from the schedule?
    Mostrar resposta

    Resposta: B. Six

    You inspect six randomly generated items from the schedule and explain possible defects and what you would do.

  19. Pergunta 19 de 25

    What happens if you arrive for your Class A road test without a valid daily inspection report and the vehicle's schedule?
    Mostrar resposta

    Resposta: B. The test is cancelled and you lose 50% of the prepaid fee

    Bring a valid daily inspection report and the schedule. Otherwise, the test is cancelled and you lose half the fee.

  20. Pergunta 20 de 25

    Which three skills does the Class A road test include besides driving in traffic?
    Mostrar resposta

    Resposta: D. A daily inspection, uncoupling and coupling, and backing

    Class A applicants show a daily inspection, uncoupling and coupling, and backing the combination, then drive in traffic.

  21. Pergunta 21 de 25

    What must you bring to the road test if your vehicle has air brakes?
    Mostrar resposta

    Resposta: D. Wheel chocks or blocks

    The road test checklist includes wheel chocks or blocks for vehicles with air brakes.

  22. Pergunta 22 de 25

    To drive a tractor-trailer with air brakes in Ontario, what do you need?
    Mostrar resposta

    Resposta: B. A Class A licence with a Z (air brake) endorsement

    Class A covers the combination. A Z endorsement is needed to drive vehicles with air brakes.

  23. Pergunta 23 de 25

    Which trucks need a Commercial Vehicle Operator's Registration (CVOR) certificate?
    Mostrar resposta

    Resposta: B. Trucks with a registered or actual weight over 4,500 kg

    A CVOR is required for trucks over 4,500 kg (registered or actual weight) and buses designed for 10 or more passengers.

  24. Pergunta 24 de 25

    How long do offences stay on an operator's CVOR record?
    Mostrar resposta

    Resposta: D. Five years from the offence date

    Records remain on the operator's CVOR record for five years from the date of the offence.

  25. Pergunta 25 de 25

    What is the maximum width of a vehicle in Ontario without a special permit?
    Mostrar resposta

    Resposta: A. 2.6 m

    The maximum width is 2.6 m (8.5 ft).

O que saber antes do exame

  • A Class A licence lets you drive a vehicle towing a vehicle with a total gross weight over 4,600 kg. It also covers Class D and G vehicles, but not buses.
  • You must be at least 18, hold an Ontario licence other than G1, G2, M, M1 or M2, pass a vision test, provide a medical certificate and pass a knowledge test and road test.
  • All new Class A applicants must complete mandatory entry-level training with a ministry-approved provider before the road test. The requirement started on July 1, 2017.
  • From January 1, 2027, you must have held a Class G or higher licence for at least 6 months before the Class A road test.
  • A full Class A road test needs a trailer rated at least 4,600 kg, full air brakes on both units and a manual transmission with at least 8 forward gears and a high-low range. Otherwise, a restriction applies.
  • You need a Z endorsement to drive vehicles with air brakes or air-over-hydraulic brakes.

Perguntas frequentes

What does AZ mean in Ontario?

AZ is a Class A licence with a Z air brake endorsement. Class A covers tractor-trailers and other combinations where the towed vehicle is over 4,600 kg; Z is needed for air brakes.

How many questions are on the Ontario Class A knowledge test?

The ministry's licence pages do not publish a question count, so study the whole Official MTO Truck Handbook. Our mock exam uses 40 questions with an 80% target as practice.

Do I need MELT before the Class A knowledge test?

Mandatory entry-level training must be finished before the Class A road test. New Class A applicants take it with a ministry-approved provider.

What is on the Class A road test?

A daily inspection of six random items, uncoupling and coupling, backing, and driving in traffic. Bring a valid daily inspection report and the vehicle's schedule.

What happens if I test in a truck without air brakes on the trailer?

You get a restricted Class A (AR) licence, which does not let you pull air-brake trailers, full-size tractor-trailers or doubles.

Fontes

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