Practice question

Why align the converter dolly fifth wheel with the rear trailer kingpin?

  1. Alignment is only for lights
  2. The kingpin is not used
  3. Misalignment can damage equipment or prevent locking
  4. It controls the engine brake

Answer: C — Misalignment can damage equipment or prevent locking

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

Practice more: Washington CDL Doubles and Triples Endorsement Test Practice Questions - Washington CDL Doubles and Triples Endorsement Test Exam →