Vehicle Equipment & Safe Operation — Alberta

Alberta commercial knowledge test practice: 229 free practice questions (Based on the official driver handbook). The official format is not yet verified; check the official site before your test. Vehicle Equipment & Safe Operation: 130 questions. Updated

Brakes, tires, lights, mirrors, seat belts, child seats and basic vehicle control.

This topic page is still being reviewed against the official handbook. Until review is finished it is hidden from search engines.

Topic / MetricValue
TopicVehicle Equipment & Safe Operation
License testAlberta Commercial knowledge tests (Class 1–4)
Topic questions130 (57% of 229 total)
Review statusThis topic page is still being reviewed against the official handbook. Until review is finished it is hidden from search engines.

Official handbook

Not yet verified Not yet verified against an official source

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Questions (130)

1. At what pressure do spring park brakes start to engage if the system air pressure drops?
  1. 45 psi
  2. 30 psi
  3. 60 psi ✓
  4. 75 psi

Answer: C. 60 psi

Official handbook: Official handbook
2. Before driving down a grade (hill), you should
  1. pick up some speed.
  2. use your parking brakes.
  3. choose an appropriate gear. ✓
  4. honk your horn.

Answer: C. choose an appropriate gear.

Official handbook: Official handbook
3. When inspecting air brakes, you should wear
  1. a visible safety vest.
  2. a hard hat.
  3. safety glasses.
  4. all of the above. ✓

Answer: D. all of the above.

Official handbook: Official handbook
4. In Alberta, the law requires children of what age to be properly secured in approved child safety seats while travelling in a motor vehicle?
  1. Under one year of age
  2. Below eight years of age
  3. Below six years of age ✓
  4. Any age if under 18 kg (40 lbs)

Answer: C. Below six years of age

Official handbook: Official handbook
5. In an air brake system, what does a governor do?
  1. It limits engine speed.
  2. It limits vehicle speed by automatic braking.
  3. It regulates the air pressures. ✓
  4. It regulates the tire pressures.

Answer: C. It regulates the air pressures.

Official handbook: Official handbook
6. In an S-cam drum brake, which of the following is connected to the brake spider?
  1. Pushrod
  2. Slack adjuster
  3. Brake shoe ✓
  4. Brake chamber

Answer: C. Brake shoe

Official handbook: Official handbook
7. Where are the air brake chambers located?
  1. At each wheel ✓
  2. At each front wheel
  3. Near the compressor
  4. At each rear wheel

Answer: A. At each wheel

Official handbook: Official handbook
8. What is a key issue associated with a kinked air line?
  1. It changes the air pressure direction
  2. It improves air flow rate
  3. It causes reductions in brake performance ✓
  4. It enhances the sound of air pressure release

Answer: C. It causes reductions in brake performance

Official handbook: Official handbook
9. During normal driving, what keeps the spring brakes released?
  1. Air pressure ✓
  2. Engine torque
  3. Bolts
  4. Spring pressure

Answer: A. Air pressure

Official handbook: Official handbook
10. Under what pressure does the parking brake stay applied in air brake systems?
  1. 30 psi
  2. 70 psi
  3. 45–50 psi ✓
  4. 60 psi

Answer: C. 45–50 psi

Official handbook: Official handbook
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Last checked: 2026-10-17 · Verified from official source

Updated: · Based on the official driver handbook