🔍CDL Pre-trip Inspection — Question 8 of 20
What is the largest portion of the fifth wheel and must be inspected for cracks, breaks, and requires lubrication?
Answer: C
Top/skid plate
The largest portion of the fifth wheel is the top plate or skid plate. This is the portion that the trailer slides (skids) onto during coupling. It must be inspected for cracks, breaks, and needs to be kept lubricated.
All choices
- ADraw bar
- BLocking jaws
- CTop/skid plate
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 type of mechanism is used to engage and hold the kingpin on a tandem axle trailer?
- Which component converts rotational steering wheel action into axial (lateral) movement at the front wheels?
- Excessive steering wheel play in the steering gearbox may cause you to over or understeer. Steering wheel play should be no more than:
- 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?