Which braking technique may be used to stop quickly when you do not have ABS?
Answer: C
Either stab braking or controlled braking may be used.
Controlled braking may be used with or without ABS. Stab braking may only be used when the vehicle does not have ABS. Both techniques can help stop quickly in an emergency.
All choices
- AStab braking only
- BControlled braking only
- CEither stab braking or controlled braking may be used.
Why the other answers are wrong
A. Stab braking only
Choice A is wrong because controlled braking can also be used without ABS, not only stab braking.
B. Controlled braking only
Choice B is wrong because stab braking is only used when the vehicle does not have ABS, not exclusively controlled braking.
CDL Air Brakes Test Info
Questions on Exam
25
Passing Score
80%
Time Limit
Typically 30 minutes; varies by testing location
The Air Brakes test content is federally standardized, so this question applies in every state. Age limits, fees, and testing procedures do vary — check your state's CDL requirements.
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