doubles and triples test
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Doubles and Triples CDL Test

Question #1 of 15

How do you check to make sure trailer height is correct before coupling?


The height is always the same.

Visually check to make sure that the rear trailer is slightly lower than the center of the fifth wheel, so the trailer is raised slightly when dolly is pushed under it.

Visually check to make sure that the lead trailer is slightly higher than the center of the fifth wheel, so the trailer is raised slightly when dolly is pushed under it.

None of the above








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