🔍Alaska Pre-trip Inspection — Question 1 of 10

Which of the following is NOT included when inspecting drum brake assemblies?

Answer: C

Measuring the thickness of the brake rotors

First, brake rotors are used on disk brakes, not drum brake assemblies. Second, measuring rotor thickness would not be done during a walk-around inspection even if the truck had disk brakes, though a technician would make this check during service.

Source: Alaska CDL Manual

All choices

  • AChecking for cracks, dents, breakage, or signs of overheating
  • BEnsuring adequate brake shoe lining thickness for safe braking
  • CMeasuring the thickness of the brake rotors
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Alaska 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+

Alaska Division of Motor Vehicles

Official CDL Portal

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