Radiographic Testing - Level II Topical Outline
1.0 Review of Basic Radiographic Principles
( Interaction of radiation with matter, Math review, Exposure calculations, Geometric exposure principles, Radiographic-image quality parameters)
2.0 Darkroom Facilities. Techniques, and Processing
- 2.1 Facilities and equipment
- 2.2 Film loading
- 2.3 Protection of radiographic film in storage
- 2.4 Processing of film - manual
- 2.5 Automatic film processing
- 2.6 Film filing and storage
- 2.7 Unsatisfactory radiographs - causes and cures
- 2.8 Film density
3.0 Indications, Discontinuities, and Defects
- 3.1 Indications
- 3.2 Discontinuities ( Inherent, Processing, Service)
- 3.3 Defects
4.0 Manufacturing Processes and Associated Discontinuities
- 4 1 Casting processes and associated discontinuities (Ingots, blooms, and billets, Sand casting, Centrifugal casting, Investment casting)
- 4.2 Wrought processes and associated discontinuities (Forgings, Rolled products, Extruded products)
- 4.3 Welding processes and associated discontinuities
(Submerged arc welding (SAW), Shielded metal arc welding (SMAW), Gas metal arc welding (GMAW), Flux corded arc welding (FCAW), Gas tungsten arc welding (GTAW), Resistance welding, Special welding processes - electron beam, electroslag, electrogas. etc.)
5.0 Radiological Safety Principles Review
6.0 Radiographic Viewing
(Film-illuminator requirements, Background lighting, Multiple-composite viewing, Penetrameter placement, Personnel dark adaptation and visual acuity, Film identification, Location markers, Film-density measurement, Film artifacts
7.0 Application Techniques
- 7.1 Multiple-film techniques
- 7.2 Enlargement and projection
- 7.3 Geometrical relationships
- 7.4 Triangulation methods for discontinuity location
- 7.5 Localized magnification
- 7.6 Film-handling techniques
8.0 Evaluation of Castings
( Casting-method review, Casting discontinuities, Origin and typical orientation of discontinuities, Radiographic appearance, Casting codes/standards - applicable acceptance criteria, Reference radiographs)
9.0 Evaluation of Weldments
(Welding-method review, Welding discontinuities, Origin and typical orientation of discontinuities, Radiographic appearance, Welding codes/standards - applicable acceptance criteria, Reference radiographs or pictograms
10.0 Standards, Codes, and Procedures for Radiography
- 10.1 ASTM standards
- 10.2 Acceptable radiographic techniques and setups
- 10.3 Applicable employer procedures
- 10.4 Procedure for radiograph parameter verification
- 10.5 Radiographic reports