RADIOGRAPHIC TESTING Level III Exam Preparation and Refresher

In addition to the Level I requirements - the Level II will learn how to Produce written instructions, determine the best inspection techniques for the individual parts, process the test pieces, record and report defects from known markers, carry out pre-test calibration checks and post-test procedures.

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Course Features

You should:

  • Understand the principles governing the Testing and Inspection Process.
  • Understand and be familiar (review) the safety precautions required for radiation hazards.
  • Be familiar with the different types of parts tested.
  • Be familiar with the basic procedures involved with the test method.
  • Understand the specific requirements for the technique and be able to properly select the procedure.
  • Understand the advantages and disadvantages of the test method.
  • Understand basic Metallurgy where related to NDT and the material tested.

You will be able to:

  • Be aware of the different types of equipment and products available to industry with regards to radiation method.
  • Decide on the necessary items and products required to complete the job.
  • Determine a proper and authorized testing procedure.
  • Understand and recognize the typical surface and sub-surface discontinuities, flaws or irregularities.
  • Use the X-ray and Gamma ray technique in locating discontinuities.
  • Analyze the project situation and results required.
  • Be prepared to interpret performance results.

Key Points of Course – Level III

Equipment employed, including:

  • Your knowledge and ability to use various types and the functions of standard equipment.
  • Portable and stationary, automatic and manual types of equipment, application and use including isotopes used and x-ray tubes (limits). Safety precautions and practices for all related radiation generating ‘tools’.

Principles and Purposes:

  • Review the theory of radioactivity including some local, provincial and federal requirements in various countries.

Radiation Safety:

  • Types of x-rays/gamma rays sources. Required procedure sensitivity, intensity, shielding and working distances.
  • Detection devices and primary, secondary (acute/latent) effects and absorption characteristics, dose and safety codes.

Procedure/Techniques:

  • Image and geometry principles including – focal spot, electromagnetic spectrum, film types/characteristics, screens and filters, image quality indicators (penetrameters) and factors, processing.

Evaluation Techniques and Standards:

  • Discontinuity and Defect identification including film viewing. The use of industry standards and their applicability to the test method.