🚛🚛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
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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)

Official CDL Portal

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