🚛🚛Alabama Doubles/Triples — Question 1 of 10
Converter dollies:
Answer: C
Often do not have spring brakes.
Modern trailers and trucks have mechanical spring brakes. Trailers, dollies, and trucks built prior to 1975 were not required to have spring breaks and therefore may not have them.
Source: Alabama CDL Manual
All choices
- AUsually need a glad hand converter.
- BHave little braking power because they are small.
- COften do not have spring brakes.
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:
- 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?
- Which trailer is most affected by the crack-the-whip, resulting in a rollover?