Practice question

When starting the engine as part of the pre-trip inspection, the driver should:

  1. Listen for unusual noises.
  2. Rev the engine.
  3. Turn up the radio.
  4. Turn on the heater.

Answer: A — Listen for unusual noises.

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

Practice more: Texas CDL Class A Knowledge Test 2 →