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Understandings NRT - Reading 1 Part
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NDT for Upstream Charlie Chong/ Fio
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NDT for Upstream Charlie Chong/ Fio
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Charlie Chong/ Fion Zhang Fion Zhan
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BOK NR- Neutron Radiographic Testin
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4. Interpretation/Evaluation • Im
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Charlie Chong/ Fion Zhang http://gr
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Charlie Chong/ Fion Zhang
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Charlie Chong/ Fion Zhang
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Chapter 6: Radio Isotope (Gamma) So
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Cobalt-60 Charlie Chong/ Fion Zhang
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Cobalt-60, 60 Co, is a synthetic ra
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Decay of Co-60 The decay scheme of
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γ-Ray Spectrum of Cobalt-60 Charli
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Isomers Nuclei can have the same ne
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Half-lives (example: Gd) Charlie Ch
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Advantages of gamma ray sources inc
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Radio Isotope - Th232 Half life: 1.
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Radio Isotope - Co60 Half life: 192
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12.7μm sensitive silver halide blu
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Charlie Chong/ Fion Zhang
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Charlie Chong/ Fion Zhang
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Arithmetic of Exposure RELATIONS OF
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Milliamperage-Distance Relation The
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When very low kilovoltages, say 20
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Tabular Solution of Milliamperage-T
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Milliamperage-Time and Distance Rel
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THE RECIPROCITY LAW In the sections
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Approximate Corrections for Recipro
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Film Packaging Radiographic film ca
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Film Handling X-ray film should alw
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Subject contrast is determined by t
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Definition Radiographic definition
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Film should be located in a light,
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Sensitometric checks may be carried
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Film viewers should be clean and in
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- Page 79 and 80: Chapter 12: Radiographic Density Fi
- Page 81 and 82: Chapter 13: Controlling Radiographi
- Page 83 and 84: Hole-Type IQIs ASTM Standard E1025
- Page 85 and 86: Wire Penetrameters ASTM Standard E7
- Page 87 and 88: Chapter 14: Exposure Calculations P
- Page 89 and 90: General Welding Discontinuities The
- Page 91 and 92: Cluster porosity is caused when flu
- Page 93 and 94: Incomplete penetration (IP) or lack
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- Page 97 and 98: External or crown undercut is an er
- Page 99 and 100: Inadequate weld reinforcement is an
- Page 101 and 102: Cracks can be detected in a radiogr
- Page 103 and 104: Oxide inclusions are usually visibl
- Page 105 and 106: Chapter 16: Radiograph Interpretati
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- Page 109 and 110: Shrinkage is a form of discontinuit
- Page 111 and 112: Dendritic shrinkage is a distributi
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- Page 115 and 116: Core shift shows itself as a variat
- Page 117 and 118: Mottling is a radiographic indicati
- Page 119 and 120: Incomplete penetration, as the name
- Page 121 and 122: Root edge condition shows the penet
- Page 123: Real-time radiography is a well-est
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- Page 129: Good Luck! Charlie Chong/ Fion Zhan