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Commercial Driver's License

Category - Standard Driving

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The braking power of retarders works on which of the following wheels?

The front wheels
The drive wheels
The trailer or rear wheels
All wheels

Explanation

Answer: B - The braking power of retarders only applies to the drive wheels. All other wheels are unaffected by the retarder. This is true regardless of the type of retarder that is installed in the vehicle.

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Commercial Driver's License

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Commercial Driver's License

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