🔍Alabama Pre-trip Inspection — Question 9 of 10

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.

Source: Alabama CDL Manual

All choices

  • ADraw bar
  • BLocking jaws
  • CTop/skid plate
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Alabama CDL Pre-trip Inspection Test Info

Questions on Exam

Oral examination

Passing Score

Must demonstrate competency%

Time Limit

Skills test typically 30-60 minutes

Age Requirements

Intrastate: 18+ · Interstate: 21+

Alabama Law Enforcement Agency (ALEA)

Official CDL Portal

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