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Practice quizzes / PA CDL Doubles Triples Practice Questions - Pennsylvania CDL Doubles and Triples Endorsement Test Exam / Question 164611
Practice question

What are glad hands used for on doubles and triples?

  1. Connecting air lines between units
  2. Locking fifth wheel jaws
  3. Raising landing gear
  4. Securing cargo doors

Answer: A — Connecting air lines between units

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

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