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Vehicle Inspection

Vehicle Inspection is a required knowledge area under 49 CFR 383.111(a)(17). The specific pre-trip, en route, and post-trip duties tested here come from 49 CFR Part 396 (inspection, repair, and maintenance), covering what a driver must check before driving, when a defect takes a vehicle out of service, and what has to go on a driver vehicle inspection report.

Practice Vehicle Inspection

5 Questions

  1. Before operating a commercial motor vehicle, what must a driver do first?
  2. What is the minimum tread depth required on a steering axle (front) tire of a commercial motor vehicle?
  3. At the end of a driver's work day, what must the driver do about defects found in a commercial motor vehicle covered by the reporting requirement?
  4. An authorized inspector finds that a commercial motor vehicle's mechanical condition would likely cause an accident or a breakdown. What can that inspector do?
  5. Which of the following is required emergency equipment on a commercial power unit that is not transporting hazardous materials?