MCH
Red Seal Trade
Machinist
Red Seal / red-seal.ca · ASME · ISO
ASME Y14.5 (GD&T) · ISO 286 (Tolerances) · ANSI/ASME B94 (Cutting Tools)
Exam Questions
50
per session
Pass Gate
90%
above governing body standard
Tier 1 Valid
2 yr
Certificate of Competency
Tier 2 Valid
6 mo
Participation Certificate
Curriculum — 4 Topic Blocks
Block 01 / 04
Engineering Drawings & GD&T
- Blueprint interpretation — machined parts
- GD&T symbols & tolerance zones
- Surface finish specifications
- Datum reference frames
Block 02 / 04
Machining Operations
- Turning, milling & drilling calculations
- Speeds, feeds & depth of cut
- Boring, reaming & tapping
- CNC G-code & M-code programming
Block 03 / 04
Metrology & Quality Control
- Measurement instruments — micrometers, gauges, CMM
- Tolerance stack analysis
- SPC basics & control charts
- Inspection reporting
Block 04 / 04
Materials & Tooling
- Machinability of metals & alloys
- Cutting tool geometry & grades
- Coolant selection & chip control
- Heat treatment & hardness testing
🔒
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30-Day Access
Subscribe to unlock unlimited exam sessions, detailed performance analytics, Tier 1 & Tier 2 certification, and the complete MCH question bank — 90%+ pass gate enforced.
$
49.95
CAD
30-day access
per worker
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Certification Tiers
| Tier |
Score |
Certificate Issued |
Validity |
Next Step |
| Tier 1 |
90–100% |
Certificate of Competency |
2 years · revalidation required |
Maintain revalidation before expiry |
| Tier 2 |
70–89% |
Participation Certificate |
6 months · full retest required |
Targeted remedial study on weak areas |
| Tier 3 |
Below 70% |
No certificate issued |
Retest within 30 days |
Structured remedial training required |