Class 4 Commercial Driver Practice · Question
What is the correct way to test the parking brake during a pre-trip inspection?
The parking brake (emergency brake) must be able to hold the vehicle stationary on a significant grade. If it slips, it is a safety failure.
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Question: What is the correct way to test the parking brake during a pre-trip inspection?
Answer options:
- Apply the brakes as hard as possible while driving at 50km/h ✅ Apply the parking brake and see if it holds against a slight pull in gear
- Only check if the light on the dashboard turns on
- Check the brake fluid level only
Correct answer: Apply the parking brake and see if it holds against a slight pull in gear
Explanation: The parking brake (emergency brake) must be able to hold the vehicle stationary on a significant grade. If it slips, it is a safety failure.
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Question explanations
- What should you do if your accelerator pedal sticks while you are driving?
- What type of information should a Class 4 driver generally NOT include in their daily trip records or logbook
- When operating a taxi or small bus, when are you required to ensure passengers are using seatbelts?
- What is the correct procedure for a small bus driver approaching an uncontrolled railway crossing?
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