🚛🚛Alabama Doubles/Triples — Question 2 of 10
Which trailer is most affected by the crack-the-whip, resulting in a rollover?
Answer: A
The rear trailer
The rear trailer of a triple is 3.5x more likely to rollover than the other trailers. The crack-the-whip effect causes any movements at the tractor to be compounded at the last trailer.
Source: Alabama CDL Manual
All choices
- AThe rear trailer
- BThe front trailer
- CThe middle trailer of a triple
Alabama CDL Doubles/Triples Test Info
Questions on Exam
20
Passing Score
80%
Time Limit
Typically 30 minutes; varies by testing location
Age Requirements
Intrastate: 18+ · Interstate: 21+
Alabama Law Enforcement Agency (ALEA)
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More CDL Doubles/Triples Practice Questions
- The purpose of a converter dolly is to:
- Converter dollies:
- The converter dolly air tank drain valve on coupled double/triple trailers should be:
- Crack-the-whip effect occurs when:
- Which of these statements about the handling of doubles and triples is true?