Transport Trailer Technician - Red Seal Exam Breakdown

A Red Seal exam is based on the standard, called the National Occupational Analysis for the trade. The standard describes the skills and knowledge required to perform the duties of the trade. Each standard is divided into Blocks, which are divided into Tasks, which are divided into sub-tasks.

The Red Seal exam has a certain number of questions assigned to these sections. The number of questions are provided below.

For more information, see the full National Occupational Analysis and Self-Assessment Guide (PDF, 845 KB) for this trade. Also, check out this trade’s Sample Questions.

Total number of questions on Red Seal exam - 100 questions

Block A - Common occupational skills - 6 questions

Task 1 Performs safety-related functions
2 questions
Task 2 Uses and maintains tools and equipment
2 questions
Task 3 Performs common work practices and procedures
2 questions

Block B - Suspension systems - 17 questions

Task 4 Diagnoses suspension systems
6 questions
Task 5 Services suspension systems
11 questions

Block C - Brake systems - 25 questions

Task 6 Diagnoses brake systems
14 questions
Task 7 Services brake systems
11 questions

Block D - Axles and wheel end assemblies - 16 questions

Task 8 Diagnoses axles and wheel end assemblies
8 questions
Task 9 Services axles and wheel end assemblies
8 questions

Block E - Trailer chassis, bodies and coupling units - 19 questions

Task 10 Diagnoses trailer chassis and trailer bodies
4 questions
Task 11 Services trailer chassis and trailer bodies
8 questions
Task 12 Diagnoses coupling units and landing gear
3 questions
Task 13 Services coupling units and landing gear
4 questions

Block F - Lighting and wiring systems - 8 questions

Task 14 Diagnoses lighting and wiring systems
6 questions
Task 15 Services lighting and wiring systems
2 questions

Block G - Hydraulic systems - 5 questions

Task 16 Diagnoses hydraulic systems
3 questions
Task 17 Services hydraulic systems
2 questions

Block H - Heating and refrigeration units - 4 questions

Task 18 Diagnoses heating and refrigeration units
2 questions
Task 19 Services heating and refrigeration units
2 questions

For more information about exam preparation materials (textbooks, modules, etc.) contact your provincial/territorial apprenticeship office.

*Number of questions assigned are derived from the input from people in this trade from across Canada.