🚛🚛Alabama Doubles/Triples — Question 7 of 10
How are the spring brakes for a converter dolly released?
Answer: B
With the dolly parking brake control
The dolly parking brake control is used to release the spring brakes of a converter dolly.
Source: Alabama CDL Manual
All choices
- AOpening the air tank petcock
- BWith the dolly parking brake control
- CPressing the trailer air supply control knob in
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?