CSWIP-WI Exam Information and Guideline
TWI - Visual Welding Inspector (CSWIP-WI-6-92 17th Edition) 2025
Below are complete topics detail with latest syllabus and course outline, that will help you good knowledge about exam objectives and topics that you have to prepare. These contents are covered in questions and answers pool of exam.
Exam Code: CSWIP-WI
Exam Name: CSWIP Visual Welding Inspector (WI)
Multiple Choice Questions (MCQs)
Practical Examination (Weld Assessment)
Duration: ~2 hours (varies by training provider)
Pass Mark: ~70% (varies slightly)
1. Introduction to Welding Inspection (10-15%)
- Role and responsibilities of a welding inspector
- Importance of visual inspection in quality control
- Welding inspection stages
- pre-weld
- during welding
- post-weld
- Documentation review
- WPS
- PQR
- WPQ
- WPS (Welding Procedure Specification)
- PQR (Procedure Qualification Record)
- WPQ (Welder Performance Qualification)
- NDT (Non-Destructive Testing)
- QA/QC (Quality Assurance/Quality Control)
2. Welding Processes & Defects (20-25%)
- Common welding processes:
- SMAW (Shielded Metal Arc Welding)
- GTAW (Gas Tungsten Arc Welding)
- GMAW (Gas Metal Arc Welding)
- FCAW (Flux-Cored Arc Welding)
- SAW (Submerged Arc Welding)
- Weld joint types (butt, fillet, lap, etc.)
- Weld imperfections vs. defects (acceptance criteria)
- Porosity
- Slag Inclusion
- Lack of Fusion (LOF)
- Undercut
- Cracks (Hot, Cold, Crater)
- Spatter
- Excessive Reinforcement
3. Standards & Codes (15-20%)
- ISO 5817 (Welding quality levels for steel)
- ISO 9606 (Qualification testing of welders)
- ISO 17637 (Visual testing of welds)
- AWS D1.1 (Structural welding code – steel)
- BS EN 1090 (Execution of steel structures)
- Acceptance Criteria
- Fitness for Purpose (FFP)
- Workmanship Standards
- Tolerance Levels
4. Visual Inspection Techniques (25-30%)
- Tools for visual inspection
- gauges
- magnifiers
- rulers
- Measuring weld sizes
- throat thickness
- leg length
- Surface defect identification
- Reporting and recording defects
- Fillet Weld Gauge
- HI-LO Gauge
- Undercut Depth Measurement
- Weld Profile Assessment
5. Welding Symbols & Drawings (10-15%)
- Interpretation of welding symbols
- ISO 2553
- AWS A2.4
- Reading engineering drawings
- Weld joint configurations
- Arrow Side / Other Side
- Groove Weld Symbol
- Fillet Weld Symbol
- Supplementary Symbols (Contour, Finish)
6. Safety & Ethics (5-10%)
- Personal Protective Equipment (PPE)
- Workshop safety practices
- Inspector’s code of ethics
- PPE (Helmet, Gloves, Respirator)
- HSE (Health & Safety Executive)
- Confidentiality & Integrity