Prince Edward Island Knowledge Test — Instruction Permit Practice Question
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Accuracy —
Rules of the Road
Engine braking (downshifting) on a long PEI downgrade:
Show Answer & Explanation
Correct Answer: B. Helps control speed and prevents service-brake overheating
Continuous service-brake use on long grades causes fade; engine braking prevents this.
Why the other answers are wrong
- A.Damages the engineEngine braking is a designed function — it doesn't damage the engine.
- C.Drains the batteryBattery drain isn't involved in engine braking.
- D.Is only for manual transmissionsAutomatic transmissions can also be manually downshifted.
