Practice question

In very hot weather, tires should be checked regularly because:

  1. They may melt.
  2. Air pressure may increase with the temperature.
  3. The tread wears down extra quickly.
  4. The lug nuts may loosen.

Answer: B — Air pressure may increase with the temperature.

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

Practice more: Illinois CDL Class A Knowledge Test 1 →