Auto Body and Collision Technician (310B) — Red Seal
600 practice questions
Also known as: Auto Body and Collision Damage Repairer, 310B, auto body technician, collision repair. In Ontario this is a compulsory certified trade (310B).
Practice questions for the Auto Body and Collision Technician (Red Seal) exam, organized by Red Seal Occupational Standard (RSOS) section. 600 questions are available across 7 sections. Written to the Red Seal standard.
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Sections (RSOS blocks)
| Section | RSOS block | Exam weight | Questions |
|---|---|---|---|
| A | Performs common occupational skills | 12% | 70 |
| B | Repairs frame and structural components | 23% | 140 |
| C | Repairs non-structural outer body panels and related components | 20% | 120 |
| D | Repairs mechanical, electrical and alternative-fuel system components | 12% | 70 |
| E | Repairs interior components and services restraint systems | 10% | 60 |
| F | Performs refinishing procedures | 18% | 110 |
| G | Performs detailing and cleaning | 5% | 30 |
Mock exams are composed to match the official weightings above exactly — the question counts per section don't need to match 1:1.
Practice mock exam
The full practice mock for this trade is 120 questions, a 180-minute time limit, scored against a 70% pass line — the same question style used throughout this bank.
Sample questions
Performs common occupational skills
After windshield replacement, the diagnostic scan tool reports a forward-camera fault. What should the technician do next?
- Clear the code and road-test the vehicle to confirm on inspection
- Disconnect the camera connector for two minutes to reset under shop service conditions
- Replace the forward camera module before recalibrating
- Perform the OEM static or dynamic camera recalibration procedure
The forward camera lives behind the windshield and depends on the exact position, angle, and optical clarity of that glass. Replacing the windshield disturbs the camera’s reference frame, so the manufacturer requires a static target-board or dynamic road-drive recalibration before the system is trusted. Clearing the code without recalibration leaves the camera mis-aimed even if the lamp goes out. Replacing the camera is unnecessary parts cost when the hardware is intact. A connector cycle does not re-establish the optical geometry the camera depends on.
RSOS 2019 | A-2.04 Uses diagnostic equipment
Repairs frame and structural components
Before pulling a damaged frame rail, which components should be removed for access?
- All components blocking measurement and pull paths
- Powertrain and suspension regardless of damage under shop service conditions
- Only items in the direct impact zone on inspection before release
- Interior trim only to protect upholstery on inspection
Access removal is driven by the pull plan and the measurement plan. Items that block fixturing, chain routing, anchor points, or measuring-system targets are removed; items that do not obstruct the work remain in place. Removing only items in the impact zone leaves chains or fixtures interfering elsewhere. Pulling the entire powertrain and suspension on every job is unnecessary disassembly and adds cost. Stripping only interior trim does not address the structural access the pull will need.
RSOS 2019 | B-9.02 Removes components for access
Repairs non-structural outer body panels and related components
When installing a replacement bolted hood, which fastener strategy preserves panel alignment?
- Snug all bolts, align the panel, then torque to spec in sequence
- Run every bolt to final torque in the order picked up on inspection
- Snug all bolts, then tighten one bolt fully before the others under shop service conditions
- Use only two bolts to allow drift over time on inspection
Multi-bolt panel installs follow a snug-align-torque sequence: every bolt is started and run finger-tight, the panel is shifted into correct gap and flush, and only then are the fasteners torqued to specification in the manufacturer’s pattern. Running each bolt to final torque as picked up locks misalignment into the panel. Tightening one bolt fully first pulls the panel off its alignment. Using only two bolts to allow drift creates a hood that walks under wind load and degrades fit.
RSOS 2019 | C-12.04 Installs metal panels and components
Trade Report
Wages by province, real job outlook, the Red Seal path, and exam weightings for Auto Body and Collision Technician (Red Seal) — sourced and dated.
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