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Which system uses the anti-lock hardware to limit wheelspin?

  • A.Brake assist
  • B.Hill hold, which retains the pressure at the wheels for a moment after the pedal is released on an incline
  • C.Traction control
  • D.Electronic brake force distribution, which varies the pressure between the axles according to the load carried

Answer: C

Traction control brakes a spinning wheel and often reduces engine torque as well, using the same sensors and modulator. Electronic brake force distribution and brake assist also use the hardware but for different purposes. The shared hardware is the point. Working the distinction through on a single concrete case fixes it more firmly than any rule of thumb. Tracing the requirement back to the physical constraint that produces it makes the answer follow.

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