Practice question

What happens when a vehicle hydroplanes?

  1. The tires lose contact with the road.
  2. The tires have extra traction.
  3. The vehicle is easier to control.
  4. The vehicle becomes heavier.

Answer: A — The tires lose contact with the road.

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

Practice more: Massachusetts CDL Class B Knowledge Test 2 →