Transport Trailer Technician · 310J
Suspension, air brakes, electrical systems, and trailer diagnostics.
8MWAs
21Tasks
79Sub-tasks
100Questions
Major Work Activities
Click any MWA to expand its tasks and subtasks. Question counts mirror the official Red Seal interprovincial exam weighting.
Your progress
Per-MWA proficiency, attempted percentage, and risk score appear here once you start practicing this trade.
APerforms common occupational skills
— Proficient— Developing0% Attempted
BDiagnoses and services suspension systems
— Proficient— Developing0% Attempted
CDiagnoses and services brake systems
— Proficient— Developing0% Attempted
DDiagnoses and services axles and wheel end assemblies
— Proficient— Developing0% Attempted
EDiagnoses and services trailer chassis, bodies and coupling devices
— Proficient— Developing0% Attempted
FDiagnoses and services electric and electronic systems
— Proficient— Developing0% Attempted
GDiagnoses and services hydraulic systems
— Proficient— Developing0% Attempted
HDiagnoses and services temperature control systems
— Proficient— Developing0% Attempted
Simulator not live yetThis coverage map is live now. The exam simulator only launches once this trade is activated in training.
How this exam practice works
Question volume
10 to 100 per session
Scope control
Whole trade, single MWA, or task
Timing
5 min to unlimited, pause/resume
Feedback mode
Per-question or deferred scoring
Source aligned
Built from the published RSOS
Real exam weighting
MWA percentages mirror the IP exam
Canadian codes
Current provincial OHS + trade codes
Exam-realistic
Timed, weighted, adjustable difficulty