CDL · Night and weather

On a slick road surface, which of these actions should you avoid?

Correct answer: Relying on an engine brake or retarder to slow down.

Answer options

  1. ARelying on an engine brake or retarder to slow down. Correct
  2. BKeeping other vehicles out of the space beside your rig.
  3. CPressing the accelerator and brake pedals gently.

Why

Engine brakes and retarders can make the drive wheels break traction and skid on a slick surface, so switch them off. Gentle pedal pressure and open space on both sides of the rig are sound habits.

About this question

Topic: Night and weather   License: CDL

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Where it applies: Asked in every state.

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This question is part of Slippery Roads and Hydroplaning (20 questions). Take the full set and check your score.

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