In Ontario, it is required that you have an official MTO air brake test or endorsement on your license before you take to the road.

Air Brake Test 01

Moisture in an air brake system can be dangerous for what reason?

Question 1 of 30

If you are driving and a warning tells you that your air pressure is low, what should you do?

Question 2 of 30

Which of these can you expect from an air brake system that you will not get in a hydraulic brake system?

Question 3 of 30

The air compressor for an air brake system draws its power from where?

Question 4 of 30

When draining tanks on an air brake system, which tank should be drained first?

Question 5 of 30

Why is it important for you to know where compressed air from the air brake system on your vehicle exhausts?

Question 6 of 30

Which of these vehicles is most likely to have air brakes?

Question 7 of 30

At what pressure do safety valves on air brake systems normally open?

Question 8 of 30

If an air brake system has an air dryer, where will it be found?

Question 9 of 30

In an air brake system, what purpose does the alcohol evaporator serve?

Question 10 of 30

Why do air brake systems have dual-service tanks?

Question 11 of 30

In an air brake system, what does the governor do?

Question 12 of 30

The supply tank for an air brake system does what?

Question 13 of 30

Under the Ontario Highway Traffic Act, an air brake system should never drop below what pressure?

Question 14 of 30

The actual air brake system pressure range must never be lower than 552 kPa (80 psi) or higher than....

Question 15 of 30

Where will you find air brake chambers?

Question 16 of 30

In a normal braking situation, most modern air brake vehicles will use automatic valves to do what?

Question 17 of 30

The spring brake subsystem is designed for which of these?

Question 18 of 30

In an air brake system, the service brake subsystem is used for what?

Question 19 of 30

Which is the only one of these that is part of a disc brake system?

Question 20 of 30

A warning device must alert the driver if the pressure in the air brake system falls to what level?

Question 21 of 30

A braking system works by converting mechanical energy into what?

Question 22 of 30

Spring brakes are applied when...?

Question 23 of 30

Many vehicle manufacturers recommend draining moisture and oil from a vehicle's air tanks at what interval?

Question 24 of 30

Where will you find the air pressure gauge for an air brake system?

Question 25 of 30

Spring brakes will normally start to apply when system pressure drops below...?

Question 26 of 30

The pushrod stroke is produced by compressed air entering...?

Question 27 of 30

Which of these persons can perform brake readjustments on manual and automatic slack adjusters?

Question 28 of 30

As you press down on the brake pedal, what happens to the valve which is attached to it?

Question 29 of 30

The air tanks for an air brake system can be found where?

Question 30 of 30



Tips to Pass Your MTO Air Brake Test on the First Try

In Canada, it is required that you have an official air brake endorsement on your license before you take to the road. It is the rare individual who enjoys tests, but that doesn’t mean you can’t excel at them.

You know you need to go into your test well-prepared. That means knowing you’ve done all the things you need to in order to walk in knowing you can pass your test on the first try.

Read The Official Handbook

You need to buy or download The Official Air Brake Handbook. A lot of people try to skirt around doing this. It would be easier to find another way to learn all the things you need to know. It feels like actively handling an air brakes system is more efficient and practical than reading a book. However, you will be taking a written test. Learning all of the practical details covered in your handbook is essential for success. Yes, this is a commitment, and that intimidates some people. They want to find a way around committing to reading the entire thing, probably more than once. But it’s the commitment that puts you on the path to success.

mto air brake testRemember, it’s just a book. You can read the book in manageable chunks at a time. It helps to read with a highlighter or with paper to take notes on. The act of engaging with the text and pulling out key pieces of information will help you commit this to memory.

Take a Practice Test

Once you’ve read through the handbook the first time, take a practice test. You haven’t done too much studying yet at this point, but taking this test the first time through will help you see where you’re at and how much information you’ve retained. This will give you a starting point as you move onto the next step.

You can take the class AZ practice test free online, so you can do this as many times as you’d like. Keep in mind that the practice test isn’t the same as the real test, but does give you an idea of the format and types of questions you will be asked.

Study, Study, Study

Now that you’ve taken your first practice test, you have a better idea of where you’re at. Hopefully, you could see the things you know at this point, and the information you still need to work on. It’s good to continue reviewing the information you already know to keep it fresh, but also to dive deeper into the information you’re unfamiliar with.

Plan far ahead of your test date and work on studying a little each day. Some days you can skim through the material and other days you’ll want to dive in and read it slowly and with care. Mixing up the routine helps keep your mind sharp and focused.

Retake The Practice Tests

You can do this as often as you’d like, but make sure you are doing it repeatedly. The action makes you feel comfortable with the test environment, it puts your brain to work recalling the information and sets you on the path for passing your MTO air brake test on the first try.

Run Yourself Through A Step-by-Step Process

If you don’t have access to a vehicle with air brakes, that is fine. Put your hands out in front of you like they’re on the wheel and run the actions through in your mind while you act them out. This will help you make the practical knowledge you’re learning feel real and stay in your mind.

Think it through. What do you do, step by step, for a MTO air brakes test? The engine on, brakes on. You check your gauges. You want to see that the governor cuts the compressor off at 120 PSI. Act out the motions for doing this. And then what do you do next?

You can always stop to consult your notes if you need to. You can also record yourself doing this on your phone and then watch the video while checking your actions against your notes to see if you did it correctly as a way to test yourself.

Prepare For the Day

As with any test, make sure you take care of yourself the day before and the day of your test. Get a good night’s sleep, hydrate, and have a good breakfast. If your body isn’t in the best shape, your mind will focus on that instead of answering questions about air brakes.

Be Confident

When you’re out on the road, you want to be with a first-time driver who is nervous enough to take things seriously, but not so scared they’re likely to cause an accident. This is the same when you take your test. If you do the above actions, you will have studied appropriately. You can handle this. Stay positive and take your MTO air brake test with confidence.

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