CDL · Doubles and triples
Which statement about making sudden steering moves with a double or triple trailer combination is accurate?
Correct answer: A quick swerve tips over a double or triple more readily than many other vehicles.
Answer options
- ABraking hard during a quick swerve helps you keep a double or triple under control
- BA quick swerve tips over a double or triple more readily than many other vehicles Correct
- CCountersteering is easier in a double or triple than in most other vehicles
Why
The crack-the-whip effect magnifies a sudden steering move toward the back of a double or triple, so the last trailer can tip over; steer smoothly and avoid braking while you swerve.
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
- During normal driving, which control applies the trailer brakes on a double or triple combination?
- In a B-train (B-double), at how many points can the combination pivot?
- In a set of triples, which position is safest for the lightest trailer?
- Compared with driving a smaller vehicle, what does pulling doubles or triples require of you?
- Which of these best describes safe driving with doubles or triples?
- Counting every joint where connected units can pivot, how many articulation points does a standard double-trailer combination have?
- To begin training as a triple-trailer driver, federal rules say you must first have:
- A hazard forces you to make an emergency stop while towing double trailers. How should you brake?
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