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Which suspension provision assists a vehicle carrying a variable load at the rear?

  • A.Longer rear dampers, which permit a greater travel and therefore accommodate the additional deflection when laden
  • B.Self levelling dampers or air springs at the rear axle
  • C.A stiffer anti-roll bar at the rear, which prevents the body from settling when the load is placed within the vehicle
  • D.Softer front springs

Answer: B

Self levelling units or air springs restore the designed ride height under load, preserving the geometry, the headlamp aim and the travel. An anti-roll bar does nothing when both wheels deflect together. It is a common estate car and towing provision. Naming what changes and what stays the same is the reliable route through questions of this shape. Most errors here come from carrying across a result from a neighbouring case where it does not hold. A single measurement chosen to respond to the one asymmetry beats several that respond to shared behaviour.

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