ASE B3 Auto Body Exam Prep practice questions and answers 2026. Tap an option to test yourself — you'll see the correct answer and a plain-English explanation for every question. Free, no login.
Q21When preparing to repair a vehicle with Advanced Driver Assistance Systems (ADAS), a technician should:
✓ Correct answer: D. Document existing calibration settings
Documenting the existing calibration settings before beginning repairs is essential to ensure proper restoration of ADAS systems after repair work is completed.
Q22After a vehicle has been in a collision, scanning for diagnostic trouble codes should be performed:
✓ Correct answer: C. Both before and after repairs
Scanning for diagnostic trouble codes should be performed both before and after repairs to identify all issues and verify they've been resolved.
Q23When preparing to remove surface contaminants before body repair, which product should NOT be used on aluminum panels?
✓ Correct answer: B. Steel wool
Steel wool should not be used on aluminum panels as it can cause galvanic corrosion when steel particles embed in the aluminum.
Q24Technician A says that undocumented previous repairs should be noted in the current repair documentation. Technician B says that verifying prior repairs is only necessary for warranty work. Who is right?
✓ Correct answer: A. A only
Technician A is correct that undocumented previous repairs should always be noted in current repair documentation. Technician B is incorrect because verifying prior repairs is important for all repairs, not just warranty work.
Q25The most appropriate position for a vehicle on a frame rack during preparation for structural repairs is:
✓ Correct answer: D. Raised to a comfortable working height
Raising the vehicle to a comfortable working height is the most appropriate position for preparation because it allows proper visibility and access to damaged areas while maintaining worker ergonomics.
Q26Before removing a damaged door, what should be done first?
✓ Correct answer: C. Disconnect power and electrical connections
Before removing a damaged door, the power and electrical connections should be disconnected first to prevent damage to wiring and electrical components.
Q27When storing a removed bumper cover that will be reinstalled later, the technician should:
✓ Correct answer: B. Place it in a clean area away from foot traffic
When storing a removed bumper cover for later reinstallation, it should be placed in a clean area away from foot traffic to prevent additional damage or contamination.
Q28Which of the following is the correct first step in preparing to repair a vehicle with collision damage?
✓ Correct answer: A. Review the damage report and create a repair plan
Reviewing the damage report and creating a repair plan is the correct first step because it establishes what needs to be done before beginning any physical work.
Q29When a vehicle with ADAS (Advanced Driver Assistance Systems) needs repair, which system requires special attention during preparation?
✓ Correct answer: D. Forward-facing camera system
The forward-facing camera system requires special attention during preparation because it often needs precise calibration after repairs to ensure proper operation of many ADAS functions.
Q30Technician A says that cleaning adhesive residue from a surface can be done with a plastic scraper. Technician B says that a metal scraper works best on all surfaces. Who is right?
✓ Correct answer: C. A only
Technician A is correct because plastic scrapers safely remove adhesive without damaging surfaces. Technician B is incorrect because metal scrapers can damage painted surfaces and should not be used on all surfaces.
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