ONTARIO COMMERCIAL DRIVING PRACTICE TEST PART 1

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1 / 30

When is an air brake 'Q' endorsement required?

When taking the road test for a Class 3 licence with a single motor vehicle with three axels

Neither a nor b

Both a and b

When driving a single motor vehicle registered as a farm vehicle

2 / 30

Which of the following is the correct procedure for stopping at an uncontrolled railway crossing with a Class 2 vehicle?

Leave the front door closed at all times

If on a multi-lane highway, move to the far right lane in advance of the crossing

Activate the alternately flashing amber or red lights

Stop at least 15 metres in advance of the track

3 / 30

Which of the following is recommended practice for using the brakes when going through hills?

Downshift before going over the top of the hill

Use the trailer hand valve as much as needed on steep hills

Upshift at the base of hill

Pump the brakes to maintain the air pressure

4 / 30

To safely make a right turn in a large vehicle, it is recommended that you:

Allow your rear wheels to mount the curb if there is no obstruction

Veer into the left lane before making your turn to give yourself more space to turn

Allow for high speed off-tracking to counteract the centrifugal force

Drive well into the intersection before starting the turn

5 / 30

You are driving a school bus on a foggy day with low visibility and you stop at an uncontrolled railway crossing. What is the best course of action to ensure safety?

Proceed very slowly towards the tracks beyond the normal 5 metre stopping distance to get a closer look

Walk to the track yourself to see if you can cross safely, remembering to shut off the engine and set the brakes first

Instruct one of the passengers to walk to the track to see if there are any trains coming

Listen very carefully for a train whistle and if proceed carefully if you do not hear one

6 / 30

What is normal driver reaction time?

2 seconds

1 second

¾ of a second

7 / 30

Under which of the following circumstances would a driver not be permitted to drive under federal Hours of Service regulations?

The driver has already been on duty for 10 hours

The driver has taken only 24 consecutive hours off in the preceding 14 days

The driver has taken a 36-hour reset and is switching from cycle 1 to cycle 2

A driver on cycle 2 has accumulated 120 hours of on-duty time in 12 days

8 / 30

Why are railway crossings potentially more dangerous for larger, heavier commercial vehicles?

These vehicles need more speed to clear the crossing

These vehicles need more time to clear a crossing

These vehicles have to overcome the centrifugal force acting upon them

These vehicles need to stop farther away from a crossing before proceeding safely

9 / 30

Which of the following situations could be unsafe when unloading a Class 3 vehicle into a hopper?

Unloading on rocky terrain

Lowering the box and getting into the box if you need to loosen items that are stuck

Using a guide for hand signals

Unloading when there are people within the radius of the raised box

10 / 30

When uncoupling a truck tractor from a semi-trailer, when should you lower the landing gear?

After disconnecting the electrical and air lines and unlocking the fifth wheel

Before disconnecting the electrical and air lines and unlocking the fifth wheel

Before chocking the semi-trailer wheel

After you move the tractor-truck ahead so that the fifth wheel just clears the semi-trailer

11 / 30

The law requires that the wheels of a parked vehicle be no farther than what distance from the curb?

50 centimetres

25 centimetres

100 centimetres

75 centimetres

12 / 30

Which of the following is not considered a Class 4 vehicle?

Taxi

Thirty-passenger school bus

Sixteen-passenger mini bus for hire

Ambulance

13 / 30

When loading a dump vehicle, what is one of the steps you must follow before moving the vehicle?

Check that large items are not protruding more than 1 metre from the sides of the vehicle

Tarp the load, but only if this is part of your carrier's policy

Secure the load so that it will not blow or fall off

Ensure all of the material is grouped towards one side of the box

14 / 30

What is the difference between an A Train and a C Train?

An A Train has a self-steering axle, but a C train does not

An A Train has an additional articulation point

A C Train does not use an independent converter, but an A Train does

An C Train has only one pintle hitch, but an A Train has two

15 / 30

Which is not one of the four conditions for having the daily log requirement waived under Alberta's Hours of service legislation?

There are fewer than 8 hours of on-duty driving time during a shift

The driver starts and ends the work shifts at the same place

The driver stays within a 160km radius of the home terminal

The work shift does not exceed 15 hours

16 / 30

What does having the 'S' condition code on Class 1, 2, or 4 licences signify?

The driver has obtained a Safety Fitness Certificate

The driver has qualified to tow a semi-trailer from a motor vehicle with three or more axles

The driver has been authorized to operate a vehicle carrying oversized loads

The driver has completed the School Bus Driver Improvement Program

17 / 30

Which of the following statements is true about a B Train coupling mechanism?

The B Train is the optimal connection for carrying heavy loads

The fifth wheel assembly sits on the rear axle of the lead trailer

An independent converter dolly is required

The B Train is a safer coupling mechanism than the A Train

18 / 30

When entering a right curve in a large vehicle, the driver should:

Keep the front of the vehicle closer to the right side of the road

Use his or her mirrors to monitor the path of the rear wheels

Aim to keep the vehicle aligned in the centre of the lane

Keep the front of the vehicle closer to the centre of the road

19 / 30

What is the maximum time a driver has to deliver a daily log to the employer under this Province's Hours of service legislation?

One month

Two months

25 days

20 days

20 / 30

When do most fatigue-related collisions occur?

Between 2 and 6am

Between 9pm and midnight

During weekends

At sunset

21 / 30

If you are a school bus driver and there is a breakdown, the best course of action is to:

Activate the alternating flashing amber lights

Stop the bus as far off the roadway as practical and radio for help if you cannot fix the problem

Get all of the passengers off the bus as soon as possible regardless of the problem

Place an approved warning device a few metres in front of the bus to alert other drivers

22 / 30

What is the correct order of steps for a pre-trip air brake inspection?

Chock wheels; tractor protection system; park control valve; supply circuit; air system leaks; service break response

Service break response; supply circuit; air system leaks; park control valve; tractor protection system; chock wheels

Chock wheels; supply circuit; park control valve; tractor protection system; air system leaks; service break response

Chock wheels; tractor protection system; air system leaks; park control valve; supply circuit; service break response

23 / 30

If doing a pre-trip air brake inspection, which of the below would be acceptable pressure levels for the air supply valve and park control valve to pop out at?

35 PSI for the air supply valve and 15 PSI for the park control valve

70 PSI for the air supply valve and 50 PSI for the park control valve

Any pressure, as long as it is roughly equal for both valves

50 PSI for the air supply valve and 30 PSI for the park control valve

24 / 30

What is a possible disciplinary action assessed to a carrier due to failing to follow a written safety program?

Charges laid in court

Designation as a high-risk carrier

Immediate loss of licence to operate that type of vehicle

Mandatory completion of a special safety course

25 / 30

Which of the following statements is true about the holder of a Class 3 operator's licence?

He/she can transport passengers for hire as long as the motor vehicle has a seating capacity of less than 15 people

He/she may operate any motor vehicle or combination of vehicles that the holder of a Class 5 operator's licence may operate

He/she may operate all motor vehicles under Classes 1, 2, 4 and 6 for learning only

He/she can operate a single motor vehicle with three or more axles towing any type of trailer with one or more axles

26 / 30

Total stopping distance is:

The difference between braking distance and reaction distance

The sum of the speed and the weight of the vehicle, divided by the amount of traction

The sum of perception distance, reaction distance, lag time distance and braking distance

The distance travelled from the moment the brakes are applied to the moment the vehicle stops

27 / 30

A vehicle inspection at a rest and check stop does not need to include which of the following:

The left and right turn signals work

The load is secure

The tires are properly inflated and are not hot

There are no air leaks

28 / 30

When is it safe to remove the safety marks from a vehicle that is carrying dangerous goods?

At least one week after the last dangerous goods were unloaded from the vehicle

Before making the last delivery of dangerous goods

When the vehicle has been cleaned and purged of all residues of dangerous goods

After completing your final delivery of dangerous goods and doing a quick visual inspection for leaks

29 / 30

What is the maximum speed limit for a loaded bus under ideal conditions?

Speed limits only apply to loaded school buses

Whatever is the posted speed limit

90 km/h or the posted speed limit, whichever is lower

100 km/h or the posted speed limit, whichever is lower

30 / 30

Which of the following road surfaces will help you achieve the best fuel efficiency?

Flat, multi-lane highway

Flat, two-lane highway

Mountainous highway

Suburban roads

Your score is

Ontario COMMERCIAL DRIVING PRACTICE TEST 2023

What is a Commercial Driver’s License (CDL) in Ontario?

A Commercial Driver’s License (CDL) in Ontario is a specialized driver’s license required to operate commercial vehicles, such as trucks and buses. There are different classes of CDLs depending on the type of vehicle you intend to drive.

How do I obtain a CDL in Ontario?

To obtain a CDL in Ontario, you need to pass a written knowledge test, potentially an air brake knowledge test, meet vision and medical requirements, and pass a practical road test. You may also need specific endorsements for certain vehicle types.

What are the different classes of commercial driver’s licenses in Ontario?

In Ontario, there are several classes of CDLs, including:

Class A: Required for tractor-trailers and other large combination vehicles.

Class D: Required for buses and other large passenger vehicles.

Class B: Required for school buses, city buses, and other vehicles.

What is the air brake endorsement, and who needs it?

The air brake endorsement (Z endorsement) is required if you plan to operate vehicles equipped with air brakes. You will need to pass an additional air brake knowledge test to obtain this endorsement.

What is the difference between a G-class license and a CDL in Ontario?

A G-class license is a regular driver’s license, while a CDL is a specialized license for commercial vehicles. You typically need a full G-class license before applying for a CDL.

How do I prepare for the CDL written tests?

You can prepare for the CDL written tests by studying the official Ontario driver’s handbook for commercial drivers. There are specific handbooks available for each class of CDL.

What is the passing score for the CDL written tests?

The passing score for the CDL written tests is typically 80%. You need to correctly answer a certain percentage of questions to pass.

Can I practice driving a commercial vehicle before taking the road test?

Yes, you can practice driving a commercial vehicle under the supervision of a licensed instructor. Many driving schools offer training programs to help you prepare for the road test.

Are there age requirements for obtaining a CDL in Ontario?

You must be at least 18 years old to obtain a CDL in Ontario. There may be additional age requirements for specific types of CDLs, such as school bus endorsements.

How long is a CDL valid in Ontario?

A CDL in Ontario is typically valid for five years, but it’s essential to check the expiration date on your license.

What documents do I need to bring to the test center for the CDL tests?

You’ll need to bring valid identification, such as a passport or birth certificate, proof of address, and any required medical documents. Check the MTO website for specific requirements.

What are the costs associated with obtaining a CDL in Ontario?

The fees for obtaining a CDL can vary depending on the class of license and any endorsements. Check the MTO website for current fee information.

When is an air brake 'Q' endorsement required?

Which of the following is the correct procedure for stopping at an uncontrolled railway crossing with a Class 2 vehicle?

Which of the following is recommended practice for using the brakes when going through hills?

To safely make a right turn in a large vehicle, it is recommended that you:

You are driving a school bus on a foggy day with low visibility and you stop at an uncontrolled railway crossing. What is the best course of action to ensure safety?

What is normal driver reaction time?

Under which of the following circumstances would a driver not be permitted to drive under federal Hours of Service regulations?

Why are railway crossings potentially more dangerous for larger, heavier commercial vehicles?

Which of the following situations could be unsafe when unloading a Class 3 vehicle into a hopper?

When uncoupling a truck tractor from a semi-trailer, when should you lower the landing gear?

The law requires that the wheels of a parked vehicle be no farther than what distance from the curb?

Which of the following is not considered a Class 4 vehicle?

When loading a dump vehicle, what is one of the steps you must follow before moving the vehicle?

What is the difference between an A Train and a C Train?

Which is not one of the four conditions for having the daily log requirement waived under Alberta's Hours of service legislation?

What does having the 'S' condition code on Class 1, 2, or 4 licences signify?

Which of the following statements is true about a B Train coupling mechanism?

When entering a right curve in a large vehicle, the driver should:

What is the maximum time a driver has to deliver a daily log to the employer under this Province's Hours of service legislation?

When do most fatigue-related collisions occur?

If you are a school bus driver and there is a breakdown, the best course of action is to:

What is the correct order of steps for a pre-trip air brake inspection?

If doing a pre-trip air brake inspection, which of the below would be acceptable pressure levels for the air supply valve and park control valve to pop out at?

What is a possible disciplinary action assessed to a carrier due to failing to follow a written safety program?

Which of the following statements is true about the holder of a Class 3 operator's licence?

Total stopping distance is:

A vehicle inspection at a rest and check stop does not need to include which of the following:

When is it safe to remove the safety marks from a vehicle that is carrying dangerous goods?

What is the maximum speed limit for a loaded bus under ideal conditions?

Which of the following road surfaces will help you achieve the best fuel efficiency?

Ontario COMMERCIAL DRIVING PRACTICE TEST 2023

For More Practice Watch our Videos

Ontario driver handbook

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When is an air brake 'Q' endorsement required?

Which of the following is the correct procedure for stopping at an uncontrolled railway crossing with a Class 2 vehicle?

Which of the following is recommended practice for using the brakes when going through hills?

To safely make a right turn in a large vehicle, it is recommended that you:

You are driving a school bus on a foggy day with low visibility and you stop at an uncontrolled railway crossing. What is the best course of action to ensure safety?

What is normal driver reaction time?

Under which of the following circumstances would a driver not be permitted to drive under federal Hours of Service regulations?

Why are railway crossings potentially more dangerous for larger, heavier commercial vehicles?

Which of the following situations could be unsafe when unloading a Class 3 vehicle into a hopper?

When uncoupling a truck tractor from a semi-trailer, when should you lower the landing gear?

The law requires that the wheels of a parked vehicle be no farther than what distance from the curb?

Which of the following is not considered a Class 4 vehicle?

When loading a dump vehicle, what is one of the steps you must follow before moving the vehicle?

What is the difference between an A Train and a C Train?

Which is not one of the four conditions for having the daily log requirement waived under Alberta's Hours of service legislation?

What does having the 'S' condition code on Class 1, 2, or 4 licences signify?

Which of the following statements is true about a B Train coupling mechanism?

When entering a right curve in a large vehicle, the driver should:

What is the maximum time a driver has to deliver a daily log to the employer under this Province's Hours of service legislation?

When do most fatigue-related collisions occur?

If you are a school bus driver and there is a breakdown, the best course of action is to:

What is the correct order of steps for a pre-trip air brake inspection?

If doing a pre-trip air brake inspection, which of the below would be acceptable pressure levels for the air supply valve and park control valve to pop out at?

What is a possible disciplinary action assessed to a carrier due to failing to follow a written safety program?

Which of the following statements is true about the holder of a Class 3 operator's licence?

Total stopping distance is:

A vehicle inspection at a rest and check stop does not need to include which of the following:

When is it safe to remove the safety marks from a vehicle that is carrying dangerous goods?

What is the maximum speed limit for a loaded bus under ideal conditions?

Which of the following road surfaces will help you achieve the best fuel efficiency?

Ontario COMMERCIAL DRIVING PRACTICE TEST 2023

For More Practice Watch our Videos

Ontario driver handbook

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