Controlled braking:
Answer: C
Is used to keep a vehicle in a straight line when braking.
In controlled braking, the brakes are applied just hard enough that they do not lock up and steering is kept to a minimum. This allows the driver to maintain the maximum amount of control.
All choices
- ACan be used when you are turning sharply.
- BInvolves locking the wheels for a short period of time.
- CIs used to keep a vehicle in a straight line when braking.
Why the other answers are wrong
A. Can be used when you are turning sharply.
Controlled braking is not recommended during sharp turns as it may cause loss of control.
B. Involves locking the wheels for a short period of time.
Controlled braking avoids locking the wheels, unlike locking them even briefly.
CDL General Knowledge Test Info
Questions on Exam
50
Passing Score
80%
Time Limit
Typically 60 minutes; varies by testing location
The General Knowledge 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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