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MEC 126 Welding Technology and Practice

ND1 levelEngineering & Technology33 topics

MEC 126 covers 33 topics. StudyPath paces them into daily study sessions that finish before your exam date, with practice questions and worked answers for each one.

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Course outline

The topics this course covers, in teaching order.

  1. Welding processes
  2. Welding codes and standards
  3. Welding specifications
  4. Welding safety precautions
  5. Welding principles and terminology
  6. Welding symbols, joints and weld types
  7. Welding positions and techniques
  8. Welding safety, codes and standards
  9. Welding Procedure Specifications (WPS)
  10. Gas welding principles and flames
  11. Oxy-acetylene equipment and gas welding practice
  12. Arc welding principles
  13. Shielded metal arc welding (SMAW)
  14. Submerged arc welding (SAW)
  15. Electrodes classification and applications
  16. Modern welding processes
  17. TIG and MIG welding
  18. Weld distortion, defects and inspection
  19. Heat treatment classification
  20. Solid-state changes and phase diagrams
  21. Annealing processes
  22. Quenching and tempering
  23. Hardenability and Jominy end-quench test
  24. Surface hardening treatments
  25. Thermochemical surface treatments
  26. Heat treatment furnaces and heating fuels
  27. Heat treatment of non-ferrous metals
  28. Plastic deformation of metals
  29. Hot working processes
  30. Cold working processes
  31. Heat treatment process variables and controlled atmospheres
  32. Heat treatment defects and control
  33. Powder metallurgy

A sample from this course

One topic, as StudyPath teaches it.

Welding processes

Welding processes are the methods used to join metal parts by applying heat, pressure or both. Mastering the main processes—MIG/MAG, TIG, Stick, Flux‑Cored Arc, and Submerged Arc—helps students answer questions on equipment, shielding, and suitable joint types. Knowing the principles behind each process is essential for the NUC CCMAS and NBTE exams.

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