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20
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0
Correct
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22. During your pre-trip inspection of a doubles combination, you notice the spare tire on the converter dolly is loose. What should you do?
23. How should the air lines between trailers be routed in a doubles or triples combination?
24. When connecting glad hands between trailers, what should you check for?
25. What should you do with the electrical cord when coupling trailers in a doubles or triples combination?
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