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Newfoundland & Labrador Class 5 Knowledge Test · Question

What is the most reliable way to prevent hydroplaning on a wet road?

Hydroplaning happens when a layer of water lifts the tire off the road. Lower speed, smooth inputs, and tires with good tread (which channel water away) are the

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Question: What is the most reliable way to prevent hydroplaning on a wet road?

Answer options:

  • Use cruise control during heavy rain ✅ Reduce speed, avoid hard braking and steering, and maintain tires in good condition with adequate tread
  • Brake hard at the first sign of standing water
  • Drive in the rightmost lane only

Correct answer: Reduce speed, avoid hard braking and steering, and maintain tires in good condition with adequate tread

Explanation: Hydroplaning happens when a layer of water lifts the tire off the road. Lower speed, smooth inputs, and tires with good tread (which channel water away) are the most effective preventions. Cruise control on wet roads can delay reaction.

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