Vehicle Controls
Why should you select a lower gear before a long, steep descent?
South African learner's licence practice question. Difficulty: medium.
Answer: Riding the brakes down a long descent overheats them until they fade. A lower gear lets the engine do the work.
- A. To save fuel
- B. So engine braking helps control speed and the brakes do not overheat - correct
- C. To make the engine quieter
- D. It is not necessary in a modern car
Explanation
Riding the brakes down a long descent overheats them until they fade. A lower gear lets the engine do the work.
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