Stab braking:
Answer: B
Apply your brakes all the way. Release the brakes when wheels lock up. As soon as the wheels start rolling, apply the brakes fully again.
Stab braking is one of two emergency braking techniques. Stab braking involves applying the brakes hard until the wheels lock up, then immediately releasing the brakes until they begin rolling once more. This process is then repeated. Be sure the wheels have started rolling again before applying the brakes again.
Source: Alabama CDL Manual
All choices
- APress hard on brake pedal and apply the hand valve as you stop.
- BApply your brakes all the way. Release the brakes when wheels lock up. As soon as the wheels start rolling, apply the brakes fully again.
- CUse light steady pressure on the brake pedal.
Alabama CDL Air Brakes Test Info
Questions on Exam
25
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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