🚛CDL Doubles/Triples — Question 5 of 20
Which of these statements about the handling of doubles and triples is true?
Answer: A
A sudden movement with the steering wheel can result in a tipped over rear trailer.
A quick change of steering direction can cause the rear trailer to whip and if the center of gravity is high enough, roll the trailer over.
All choices
- AA sudden movement with the steering wheel can result in a tipped over rear trailer.
- BRearward amplification is the only thing that prevents the crack-the-whip effect from turning over all trailers.
- CThe rear trailer of a 100-foot triple is less likely to turn over than a single semitrailer due to the crack-the-whip effect.
CDL Doubles/Triples Test Info
Questions on Exam
20
Passing Score
80%
Time Limit
Typically 30 minutes; varies by testing location
The Doubles/Triples test content is federally standardized, so this question applies in every state. Age limits, fees, and testing procedures do vary — check your state's CDL requirements.
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More CDL Doubles/Triples Practice Questions
- Which statement is true regarding the coupling of a triple?
- Before you can supply air to the air tanks of a second trailer you need to:
- When driving a truck with more than one trailer, which trailer should be first behind the truck?
- When pulling multiple trailers, where should the heaviest trailer be located?
- To check if the converter dolly is securely coupled to the rear trailer you should: