Practice question

How does a full-time four-wheel-drive (4WD) system differ from a part-time 4WD system when driving on dry asphalt?

  1. Full-time 4WD uses a center differential to prevent driveline binding during cornering.
  2. Full-time 4WD locks the front and rear axles together permanently.
  3. Full-time 4WD must be manually disengaged above 50 km/h to prevent transfer case explosion.
  4. Full-time 4WD sends 100% of the engine torque to the front axle only.

Answer: A — Full-time 4WD uses a center differential to prevent driveline binding during cornering.

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