1. Which of these is not a part of a disc air brake system?
A brake pushrod
A brake rotor
A brake caliper
A brake drum
2. How are wedge brake systems different to other drum brake systems?
More of them per wheel
Larger brake shoes
No exposed linkage
Made of different materials
3. If a vehicle is found to be noncompliant with the safe operation requirements in the Ontario Highway Traffic Act, which of these sanctions may be applied?
Fines for the owning company
Any/all of them
Fines for the driver
Impoundment of vehicle
4. Which of these is essential to ensure that full braking force is available?
Drivers with strong legs
Good road surfaces
Large capacity air tanks
Proper brake adjustment
5. Wedge brake systems are designed to be...?
Self operating
Self sealing
Self lubricating
Self adjusting
6. What does the 'S' shape on the one end of the camshaft operate in the 'S' cam system?
The push rod
The brake drum
The brake shoes
The slack adjuster
7. Brakes that are out of adjustment can be detected by...?
Any of these methods
A reliable inspection method
Visual checks by the driver
Testing on the road
8. Which of these parts would you not find on a wedge air brake system?
Spiders
Pushrods
Brake shoes
Brake drums
9. What does an ABS system do?
Shortens stopping distances
All of these things
Increases brake power
Prevents wheel lock
10. Brake fade is caused by...?
Components heating
Hard acceleration
Cold weather
Wet conditions
11. The best way to reduce harsh brake use is to...?
Use your horn effectively
The exact in and out of traffic
Drive right on the speed limit
Leave safe following distances
12. Which of these will not be a factor on how your vehicle's brakes work?
The weight of your vehicle
Your speed
Your weight
Brake adjustment
13. When making an inspection of an air brake system, drivers should wear...?
Steel toed shoes or boots
All of these things
Safety glasses
Bump caps
14. Inspections of air brake systems should begin by checking...?
The air compressor
The air lines
The brake pedal
The foundation brake components
15. Which of these significantly decreases the brake force produced at the wheel?
Overextension of the brake chamber pushrod
High pressure in the compressed air tanks
Damp road conditions
Cold air temperatures
16. A vehicle should have wheel chocks or blocks securing it in place during inspection if...?
The driver is not within 50 m of the vehicle
The driver leaves the cab without applying the parking brake
Any of these apply
The driver leaves the cab under any circumstances
17. You will place abnormal demand on your brake system if you...?
Exceed the speed limit of the road you are on
Drive too much on long highways
Exceed the weight capacity of your vehicle
Drive too much in urban traffic
18. When towing a trailer, you will usually be able to tell if it is employing ABS by...?
Checking for lights in your mirror
Checking for lights on your dashboard
Listening for audible warnings
The way the handling feels
19. Which of these circumstances is not likely to increase the operating temperature of the brakes?
Driving in stop and go traffic
Driving down steep hills
Making emergency stops
Driving on expressways
20. The Ontario Highway Traffic Act requires that vehicles with air brakes must be checked at least once...?
Every two days
A week
A day
A month
21. Which of these parts would you find on a disk air brake system?
Spiders
Calipers
Backing plates
Brake shoes
22. In the 'S' cam brake system, what does a brake spider hold?
The camshaft
The return spring
The brake drum
The brake shoes
23. When making any inspection, drivers should be on guard for...?
Compressed air exhausts
Movement of the vehicle
All of these things
Leaving vehicle parts
24. In extreme cases, brake fade can lead to...?
Engine seizure
Tire blowout
Inability to stop
Steering failure
25. When conducting an inspection of an air brake system, the vehicle should be parked...?
On a level surface
Facing downhill
Any of these
Facing uphill
26. Excessive brake temperature can be avoided in vehicles which are fitted with...?
Auxiliary brakes
Any of these
Retarders
Engine brakes
27. When you double your speed, the demand on your brakes to come to a stop will increase by how much?
Five times
Two times
Four times
Three times
28. For safety, the full capacity of the brake system must be available...?
When traveling in urban traffic
At all times
When traveling at high speed
When going downhill
29. If a vehicle fails to comply with the specific requirements for the safe operation of commercial motor vehicles as set out in the Ontario Highway Traffic Act, the driver, operator and/or owner of the vehicle must...?
Keep it off the road until it is fixed
In sure it is fixed within a month of the defect being notified
Only use it during daylight hours
Not use it on high-speed highways
30. Which of these parts would you not find on an “S†cam air brake system?
