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Alberta Air Brakes Practice Exam
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Question
1
of 25
QUESTION 1 / 25
What is the most common fault found during commercial vehicle inspections of air brake systems?
Choose one answer below.
A
Leaking brake lines
✓
B
Brakes out of adjustment
✓
C
Worn brake pads
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D
Faulty air compressor
✓
QUESTION 2 / 25
What component converts air pressure into mechanical force in air brakes?
Choose one answer below.
A
The slack adjuster
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B
The brake chamber
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C
The air compressor
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D
The brake pedal
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QUESTION 3 / 25
Where is the air pressure gauge for the service tanks located?
Choose one answer below.
A
Under the hood
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B
On the dashboard
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C
Near the compressor
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D
On the rearview mirror
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QUESTION 4 / 25
What is a common cause of air brake system failure?
Choose one answer below.
A
Low brake fluid levels
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B
Leaks in the air lines or components
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C
Worn-out brake pads
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D
Faulty anti-lock braking system
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QUESTION 5 / 25
When was the manufacturing year after which trucks are equipped with automatic slack adjusters?
Choose one answer below.
A
1990
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B
1996
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C
2000
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D
2005
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QUESTION 6 / 25
Which of the following systems includes a governor, dryer, safety valve, and supply tank?
Choose one answer below.
A
AD-IS
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B
AB-IS
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C
AD-C
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D
ADB
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QUESTION 7 / 25
What maintenance procedure should be performed regularly to ensure proper function of the air brake system?
Choose one answer below.
A
Air pressure testing
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B
Brake shoe alignment
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C
Regular visual inspections
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D
Wheel balancing
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QUESTION 8 / 25
When inspecting and adjusting brakes, what protective gear should a driver wear?
Choose one answer below.
A
Only gloves
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B
Only eye protection
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C
Only a hard hat
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D
Gloves, eye protection, and a hard hat
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QUESTION 9 / 25
What is the typical force a cylinder in an air brake system can generate?
Choose one answer below.
A
1500 pounds
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B
2000 pounds
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C
3000 pounds
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D
4000 pounds
✓
QUESTION 10 / 25
What are the primary types of air brakes?
Choose one answer below.
A
Only service brakes
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B
Service brakes, parking brakes, and emergency brakes
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C
Only parking brakes
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D
Only emergency brakes
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QUESTION 11 / 25
How can extreme temperatures affect the air brake system?
Choose one answer below.
A
They enhance the braking efficiency
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B
They can cause moisture to freeze or evaporate
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C
They have no effect on the air brake system
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D
They decrease tire pressure
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QUESTION 12 / 25
What condition can result from a failure of the air dryer in an air brake system?
Choose one answer below.
A
Increased fuel efficiency
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B
Moisture accumulation leading to component damage
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C
Enhanced brake responsiveness
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D
Perfect air pressure regulation
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QUESTION 13 / 25
A Type 30 brake chamber supplied with air at a pressure of 100 psi will result in what force on the pushrod?
Choose one answer below.
A
2000 pounds
✓
B
2500 pounds
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C
3000 pounds
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D
3500 pounds
✓
QUESTION 14 / 25
The push rod in a Type 30 chamber can extend outwards a maximum of how many millimeters?
Choose one answer below.
A
50 mm
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B
60 mm
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C
64 mm
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D
70 mm
✓
QUESTION 15 / 25
How often must the tanks be drained to prevent contamination from accumulating?
Choose one answer below.
A
Weekly
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B
Everyday
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C
Bi-weekly
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D
Monthly
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QUESTION 16 / 25
How often should you check the air brake system before driving?
Choose one answer below.
A
Once a week
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B
Before every trip or shift
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C
Only if there are obvious signs of wear
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D
During routine maintenance checks
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QUESTION 17 / 25
How quickly should the compressor build from 50 to 90 psi when testing the supply circuit?
Choose one answer below.
A
1 minute
✓
B
2 minutes
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C
3 minutes
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D
5 minutes
✓
QUESTION 18 / 25
How can you identify a leak in the air brake system?
Choose one answer below.
A
By checking the brake pads for wear
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B
By listening for hissing sounds or using a soap solution for bubbles
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C
By measuring the brake fluid level
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D
By inspecting the brake lines for cracks
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QUESTION 19 / 25
In an emergency caused by a trailer tank failure, what can be used for emergency braking?
Choose one answer below.
A
The foot brake
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B
The trailer air supply valve
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C
The hand brake
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D
The parking brake
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QUESTION 20 / 25
What must a driver do if they experience a failure in the braking system?
Choose one answer below.
A
Immediately alert emergency services
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B
Attempt to repair the system on site
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C
Lower the vehicle's speed gradually
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D
Activate the hazard lights
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QUESTION 21 / 25
If you suspect that an air line is contaminated, what should you do first?
Choose one answer below.
A
Replace the entire line immediately
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B
Give it a blast of air while uncoupled
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C
Soak it in a cleaning solution
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D
Inspect it visually for damage
✓
QUESTION 22 / 25
What regular action can be performed to maintain the integrity of the air brake system?
Choose one answer below.
A
Check tire pressures
✓
B
Monitor brake fluid levels
✓
C
Inspect air lines for wear and tear
✓
D
Replace engine oil regularly
✓
QUESTION 23 / 25
What should you do to prevent your vehicle from jerking back while braking?
Choose one answer below.
A
Apply the brakes abruptly
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B
Ease off the brake pedal
✓
C
Maintain constant brake pressure
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D
Shift to a lower gear
✓
QUESTION 24 / 25
Which type of vehicle may have a safety actuator to maintain a service brake application when parked?
Choose one answer below.
A
Heavy-duty trucks
✓
B
Motorcoach
✓
C
Pick-up trucks
✓
D
Utility vehicles
✓
QUESTION 25 / 25
What is the purpose of air pressure when parking a vehicle?
Choose one answer below.
A
Activating the emergency lights
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B
Releasing the brake
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C
Inflating the tires
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D
Cooling the engine
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