Practice question

Which statement is correct about kingpin for the Arkansas CDL Combination Vehicles test?

  1. The kingpin must be captured by locked fifth wheel jaws
  2. The kingpin raises the landing gear
  3. The kingpin is the blue service line
  4. The kingpin powers trailer lights

Answer: A — The kingpin must be captured by locked fifth wheel jaws

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Practice more: Arkansas CDL Combination Vehicles Test Practice Questions - Arkansas Commercial Driver License (CDL) Combination Vehicles Knowledge Test Exam →