Class 4 Commercial Driver Practice · Question
How often should a Class 4 driver check the tire pressure and tread depth?
Tire pressure and condition are critical for safety, fuel economy, and preventing blowouts during commercial operation. Friction in duals can cause fires if pre
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Question: How often should a Class 4 driver check the tire pressure and tread depth?
Answer options:
- Once a month during the scheduled maintenance.
- Only when the tire looks visually low on air. ✅ Daily, as part of your pre-trip inspection.
- Every time you refuel the vehicle.
Correct answer: Daily, as part of your pre-trip inspection.
Explanation: Tire pressure and condition are critical for safety, fuel economy, and preventing blowouts during commercial operation. Friction in duals can cause fires if pressure is low.
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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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