CDL · Doubles and triples
In a B-train (B-double), at how many points can the combination pivot?

Correct answer: Two.
Answer options
- ATwo Correct
- BThree
- COne
Why
A B-train has no converter dolly: the second trailer couples to a fifth wheel mounted at the back of the lead trailer. That leaves only two articulation points, the tractor's fifth wheel and the lead trailer's fifth wheel.
About this question
Topic: Doubles and triples License: CDL
Part of these practice sets:
Where it applies: Asked in every state.
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This question is part of Pulling Doubles and Triples (24 questions). Take the full set and check your score.
Practice Pulling Doubles and TriplesMore questions from Pulling Doubles and Triples
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