Radiographic Testing (RT) Level III


Industrial radiography involves exposing a test object to penetrating radiation so that the radiation passes through the object being inspected and a recording medium placed against the opposite side of that object. For thinner or less dense materials such as aluminum, electrically generated x-radiation (X-rays) are commonly used, and for thicker or denser materials, gamma radiation is generally used.

Topical Outline

This examination is 4 hrs in length, having 135 questions of equal value.

  • Principles and Theory
  • Equipment/Materials
  • Electrically generated sources
  • Particulate radiation sources
  • Radiation detectors
  • Techniques/Calibration
  • Imaging considerations
  • Film processing
  • Viewing of radiographs
  • Judging radiographic quality
  • Exposure calculations
  • Radiographic techniques
  • Interpretation and Evaluation
  • Procedures
  • Safety and Health
  • Exposure hazards
  • Dosimetry and Film Badges
  • Methods of controlling radiation exposure
  • Operational and emergency procedures

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