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Practice quizzes / Virginia CDL Combination Practice Questions - Virginia CDL Combination Vehicles Test Exam / Question 198236
Practice question

Using only trailer brakes on slick roads can:

  1. Prevent all skids
  2. Increase steering traction
  3. Lower the center of gravity
  4. Lock trailer wheels and cause swing or jackknife

Answer: D — Lock trailer wheels and cause swing or jackknife

The correct answer is shown above. Try the full quiz for additional practice.

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