Electromagnetic Testing - ECT Q&A

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Answers 1. C 2. B 3. D 4. C 5. D 6. C 7. D 8. B Charlie Chong/ Fion Zhang
Level 2 E.M.C. Examination: Q1. In the following, the metal with the highest electrical conductivity is: a) copper b) aluminum c) silver d) Iron Q2. As the temperature of metal increases, the electrical conductivity: a) increases b) decreases c) does not change d) any of the above may occur depending on the type of metal. Q3. The bores of fastener holes on aircraft are an important source of cracking caused by: a) fatigue. b) burst. c) overloading. d) both a) and b). Charlie Chong/ Fion Zhang
Page 1 and 2: Electromagnetic Testing - ECT Q&A 2
Page 3 and 4: Charlie Chong/ Fion Zhang
Page 7 and 8: 激发我更加的努力学
Page 11 and 12: 徐汇中学瑰丽激发我
Page 13 and 14: Fion Zhang at Nanjing 2014/December
Page 15 and 16: NRCan- Level I Examination: Charlie
Page 17 and 18: Q4. A term used to define a materia
Page 19 and 20: Q6. The alternating current require
Page 21 and 22: Level 1 E.M.C. Examination: Q1. Dis
Page 23 and 24: Q7. Which of the following eddy cur
Page 25 and 26: Answers 1. A 2. C 3. A 4. A 5. B 6.
Page 27 and 28: Level 2 General Examination: Q1. Wh
Page 29 and 30: Q6. To change radian units, often u
Page 31 and 32: Where: V L = the induced voltage in
Page 33 and 34: Faraday Law Charlie Chong/ Fion Zha
Page 35 and 36: Q5 (d): Explanation Charlie Chong/
Page 37 and 38: Q8 (B): Explanation 8. Which is not
Page 39 and 40: Phase lag is an important parameter
Page 41 and 42: (1/e) 1δ 2δ (1/e) 2 (1/e) 3 3δ F
Page 43 and 44: The phase lag angle is useful for e
Page 45: Phase lag β = x/δ radian δ = (π
Page 49 and 50: Q7. During measurement of conductiv
Page 51 and 52: Q1 (C - Silver): Explanations Metal
Page 53 and 54: Nickel silver (18%) 5.3 0.00014 150
Page 55 and 56: NRCan-Level III Examination: Charli
Page 57 and 58: Q3. To change radian units, often u
Page 59 and 60: Q7. If testing a material and you h
Page 61 and 62: Answers 1. B 2. D 3. C 4. B 5. C 6.
Page 63 and 64: 3. During measurement of conductivi
Page 65 and 66: 6. An eddy current probe with a 50
Page 67 and 68: 9. Crack detectors normally: a) are
Page 69 and 70: Discussion on the answer on Q6: 8.
Page 71 and 72: Answers 1. D 2. D 3. A 4. A 5. D 6.
Page 73 and 74: 3. The pickling time will be least
Page 75 and 76: 7. Suitable combinations of two dif
Page 77 and 78: 10. Fracture is a type of material
Page 79 and 80: 13. An advantage of using green san
Page 81 and 82: 18. Care must be taken not to splas
Page 83 and 84: 23. Optimum magnetic particle inspe
Page 85 and 86: Discussion on Q9: The correct answe
Page 87 and 88: Discussion on Q11: The correct answ
Page 89 and 90: Blast Furnace Charlie Chong/ Fion Z
Page 91 and 92: Discussion on Q21: The correct answ
Page 93 and 94: The given equation is easy to solve
Page 95 and 96: Answers 1. B 2. C 3. C 4. D 5. B 6.
Page 97 and 98:
Che Guevara Charlie Chong/ Fion Zha
Page 99:
Good Luck! Charlie Chong/ Fion Zhan
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