WorksheetsAir Brakes component Quiz
Total questions: 22
Worksheet time: 14mins
What is the basic principle of air brake operation?
Friction is used to apply and release the brakes.
Electricity is used to apply and release the brakes.
Hydraulic fluid is used to apply and release the brakes.
Compressed air is used to apply and release the brakes.
Name two essential components of an air brake system .
Compressor
governor
intercooler
blower
Describe the role of an air compressor in an air brake system and how it operates.
The air compressor pressurizes the air used to operate the brakes by drawing in air and compressing it to a high pressure.
The air compressor is used to cool down the engine
The air compressor is responsible for steering the vehicle
The air compressor releases air to slow down the vehicle
What are some common maintenance tasks for air brake systems?
Checking for air leaks
draining oil
inspecting driveline
Refilling the windshield washer fluid
How can air leaks in an air brake system be identified first?
By ignoring the issue and continuing to operate the vehicle
By listening for hissing or escaping air and locating the source of the leak to replace or repair the damaged component.
By adding more air to the system till noise stops
By replacing the entire air brake system
Tech A says brake foundations are the braking components found at the wheel ends. Tech B says the cam brakes system use a C-shaped cam between 2 rollers, who is correct.
Tech A
Tech B
both
neither
what component stops the air compressor from charging the air system?
governor
Check valve
air dryer
none of these components
What safety measures should be followed when working on air brake systems?
Ignoring manufacturer's guidelines
Starting work without depressurizing the system
Wearing protective gear, depressurizing the system before starting work, and following manufacturer's guidelines
Not wearing any protective gear
Why is it important to drain moisture from air brake systems and how can it be done effectively?
To improve fuel efficiency, and it can be done effectively by releasing air from the system
To reduce noise from the brakes, and it can be done effectively by adding water to the air tanks
To increase the speed of the vehicle, and it can be done effectively by adding more air to the system
To prevent corrosion and freezing, and it can be done effectively by regularly draining the air tanks and using air dryer systems.
Other than water, what else does a air dryer remove from the air being supplied to the brake and suspension system?
NO2
carbon
DEF
oil
rear axle brakes
front brakes
what is the term used to describe the run time for a compressor
duty cycle
discard time
output cycle
none of these
What does CFM stand for?
Cubic Feet Per Minute
Chrome Fastened Mount
Cubic Feet per Mile
Cubed for Measurement
Can the turbo supply air to the compressor in certain applications?
True
false
Do you have to set the cut in/cut out adjustments levels for a Governor before operation?
true
false
What is the most air pressure allowed by government regulations before a safety valve must discharge air?
100
200
150
250
Why do we use "safety valves"?
to protect air circuit components
to measure air pressure
to stop safely
none of these answers
When a safety valve works, how do we know?
dash indicator
LED light
audible alert
bad odor
Does the air dryer purge?
true
false
Another name for a "air tank" in a air brake circuit?
(a)
Braking odors are typically related to overheated________
Brake chambers
Brake drums
Bushings
Brake linings
Which of the following is identified by the sudden exhaust of air draining from the dryer?
purging
unloading
snubbing
burnishing
