Class 1 Commercial Driver Practice · Question
What should a truck driver do if they realize their brakes are overheating and fading while descending a mountain pass?
If brakes are overheating and fading on a downgrade, the driver must pull into a runaway lane immediately if one is available. This is a critical safety measure
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Question: What should a truck driver do if they realize their brakes are overheating and fading while descending a mountain pass?
Answer options:
- Immediately shift into a higher gear to reduce engine RPM and cool the brakes.
- Increase speed slightly to generate more airflow over the brakes. ✅ Pull into a runaway lane immediately if one is available.
- Pump the brakes vigorously to clear any debris and improve performance.
Correct answer: Pull into a runaway lane immediately if one is available.
Explanation: If brakes are overheating and fading on a downgrade, the driver must pull into a runaway lane immediately if one is available. This is a critical safety measure designed to stop vehicles that have lost braking effectiveness, preventing a catastrophic runaway.
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Question explanations
- Approaching a sign that reads 'Runaway Lane / Emergency Escape Ramp Ahead', what is the immediate significance
- A rectangular sign with a truck symbol and an upward-pointing arrow, followed by 'Steep Grade', combined with
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