Driving licence exam

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What is a dual-circuit brake system?

  • Correct: If one circuit fails, the brakes still work on some of the wheels.
  • Incorrect: The parking brake is one circuit and the footbrake is the other.

[…] a secondary line that allows the brake to still work on some of the wheels. This is referred to as a dual-circuit brake system.” (Driving Licence Book, 19th Edition, page 129)


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