Yukon Class 7 Knowledge Test — Class 7 Practice Question
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Accuracy —
Rules of the Road
Engine braking on Yukon long downgrade:
Show Answer & Explanation
Correct Answer: B. Controls speed and prevents service-brake overheating
Continuous service-brake causes fade.
Why the other answers are wrong
- A.Damages engineEngine braking is designed function.
- C.Drains batteryBattery drain not involved.
- D.Manual onlyAutomatic can be manually downshifted.
