Practice question

Hydroplaning:

  1. Only occurs at extremely high speeds.
  2. Can occur at speeds as slow as 30 mph.
  3. Happens most frequently when tire pressure is too high.
  4. Happens most frequently when tires have good tread.

Answer: B — Can occur at speeds as slow as 30 mph.

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Practice more: Georgia CDL Class B Knowledge Test 2 →