CDL · CDL general knowledge
What does a retarder do for a heavy vehicle?
Correct answer: All of these are correct.
Answer options
- AIt reduces how much you need to use the brakes.
- BIt helps the vehicle slow down.
- CAll of these are correct Correct
Why
A retarder is a separate device that holds the vehicle back, so it slows you down and lets you lean less on the service brakes, which means less brake wear and an extra way to control your speed.
About this question
Topic: CDL general knowledge License: CDL
Part of these practice sets:
Where it applies: Asked in every state.
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This question is part of Steering, Shifting and Backing (29 questions). Take the full set and check your score.
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