Practice question

Which statement is correct about kingpin and locking jaws for the Alabama CDL Combination Vehicles Test?

  1. The kingpin must be locked inside the fifth wheel jaws
  2. The kingpin should rest on top of closed jaws
  3. The jaws should be removed after coupling
  4. The kingpin is only an electrical connector

Answer: A — The kingpin must be locked inside the fifth wheel jaws

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