Practice question

Which statement is correct about trailer hand valve for the Arkansas CDL Combination Vehicles test?

  1. Use it to straighten a trailer skid
  2. Use it instead of the foot brake on every stop
  3. Use it mainly to test trailer service brakes, not for parking
  4. Use it as the normal parking brake

Answer: C — Use it mainly to test trailer service brakes, not for parking

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