🔍CDL Pre-trip Inspection — Question 9 of 20
Which component is used to disengage the locking jaws of the fifth wheel during coupling?
Answer: A
Release arm
The release arm is used to disengage the locking jaws whether coupling or uncoupling. The latch must be lubricated and operate smoothly.
All choices
- ARelease arm
- BDrawbar
- CKingpin
CDL Pre-trip Inspection Test Info
Questions on Exam
Oral examination
Passing Score
Must demonstrate competency%
Time Limit
Skills test typically 30-60 minutes
The Pre-trip Inspection 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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More CDL Pre-trip Inspection Practice Questions
- Which component converts rotational steering wheel action into axial (lateral) movement at the front wheels?
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- All the following are responsible for making the vehicle ride as smooth as possible, EXCEPT:
- Which components are used to attach the leaf springs to the trailer and axles?
- Which of the following is NOT included when inspecting drum brake assemblies?