Gasfitter Class A
Natural gas systems, high-pressure installations, and CSA B149 compliance.
7MWAs
20Tasks
34Sub-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.
ACommon Occupational Skills
— Proficient— Developing0% Attempted
BGas Piping Preparation and Assembly
— Proficient— Developing0% Attempted
CVenting and Air Supply Systems
— Proficient— Developing0% Attempted
DControls and Electrical Systems
— Proficient— Developing0% Attempted
EInstallation of Systems and Equipment
— Proficient— Developing0% Attempted
FTesting and Commissioning of Gas-Fired Systems
— Proficient— Developing0% Attempted
GServicing Gas-Fired 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