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- Question 1 of 40
1. Question
Magnetic Particle inspection is a means for detecting discontinuities at or near the surface in ____________ materials.
CorrectIncorrect - Question 2 of 40
2. Question
A bar magnet is a classic example of:
CorrectIncorrect - Question 3 of 40
3. Question
A method of magnetization in which an external field is likely to be present in the article is:
CorrectIncorrect - Question 4 of 40
4. Question
A material that possesses the ability to attract iron and other ferromagnetic materials is generally called a:
CorrectIncorrect - Question 5 of 40
5. Question
The interpretation of magnetic particle indications may be aided by:
CorrectIncorrect - Question 6 of 40
6. Question
An interruption in the normal physical structure or configuration of a part which produces an MT indication is called:
CorrectIncorrect - Question 7 of 40
7. Question
A material which retains its magnetism once it has been magnetized is called a _______________ magnet.
CorrectIncorrect - Question 8 of 40
8. Question
A prime consideration when selecting a powder to be used as a magnetic particle medium is to select a powder that:
CorrectIncorrect - Question 9 of 40
9. Question
Materials which are strongly attracted to a magnet are called:
CorrectIncorrect - Question 10 of 40
10. Question
When testing for fine shallow surface cracks, the preferred MT method should be:
CorrectIncorrect - Question 11 of 40
11. Question
Which of the following is an advantage of the dry method over the wet method?
CorrectIncorrect - Question 12 of 40
12. Question
Why are large soft contact areas such as lead or copper braid used for surfaces or headstock?
CorrectIncorrect - Question 13 of 40
13. Question
A desirable property of magnetic particles used for the inspection medium for either the dry or wet method is that they:
CorrectIncorrect - Question 14 of 40
14. Question
Discontinuities in plate, sheet, or strip caused by pipe, inclusions, or blowholes in the original ingot which, after rolling, are usually flat and parallel to the outside surface are called:
CorrectIncorrect - Question 15 of 40
15. Question
The accumulation of particles at a site on the part surface, collected at and held to the site by the magnetic leakage field is called:
CorrectIncorrect - Question 16 of 40
16. Question
Half-wave rectified AC (HWDC) is used for detection of:
CorrectIncorrect - Question 17 of 40
17. Question
The term used to refer to the total opposition to flow of current represented by the combined effect of resistance, inductance and capacitance of a circuit is:
CorrectIncorrect - Question 18 of 40
18. Question
All of the following discontinuities are commonly found in rolled products except:
CorrectIncorrect - Question 19 of 40
19. Question
Which of the following is a defect commonly associated with the welding process?
CorrectIncorrect - Question 20 of 40
20. Question
Of the following discontinuity categories, which one is considered most detrimental to the service life of an item?
CorrectIncorrect - Question 21 of 40
21. Question
The most effective MT method for inspection of a large casting is the use of:
CorrectIncorrect - Question 22 of 40
22. Question
The ability of matter to attract other matter to itself is a phenomenon associated with:
CorrectIncorrect - Question 23 of 40
23. Question
Which of the following methods is the more sensitive?
CorrectIncorrect - Question 24 of 40
24. Question
Materials which are repelled magnetically are called:
CorrectIncorrect - Question 25 of 40
25. Question
The end of a magnet at which the lines of flux are thought of as entering the bar is:
CorrectIncorrect - Question 26 of 40
26. Question
The general term used to refer to a break in the metallic continuity of the part being tested is:
CorrectIncorrect - Question 27 of 40
27. Question
The lines of force that form a path around a crack in a ring magnet are called:
CorrectIncorrect - Question 28 of 40
28. Question
Lines of flux are thought to leave a magnet at:
CorrectIncorrect - Question 29 of 40
29. Question
A discontinuity lying open to the surface is usually more harmful to an article than a discontinuity lying below the surface:
CorrectIncorrect - Question 30 of 40
30. Question
A magnetic discontinuity, which is a break in the magnetic uniformity of a part, is related to a sudden change in:
CorrectIncorrect - Question 31 of 40
31. Question
The permeability of a ferromagnetic material is:
CorrectIncorrect - Question 32 of 40
32. Question
Materials which are weakly attracted magnetically are called:
CorrectIncorrect - Question 33 of 40
33. Question
When electric current is passed through a conductor, an induced magnetic field is generated that is:
CorrectIncorrect - Question 34 of 40
34. Question
What is usually the distinctive feature of non-relevant indications?
CorrectIncorrect - Question 35 of 40
35. Question
The selection of the test method is primarily determined by the ____________ of the test article.
CorrectIncorrect - Question 36 of 40
36. Question
In magnetic particle inspection, it is best to:
CorrectIncorrect - Question 37 of 40
37. Question
A lap is the type of discontinuity associated with:
CorrectIncorrect - Question 38 of 40
38. Question
The primary advantage of alternating current magnetization is:
CorrectIncorrect - Question 39 of 40
39. Question
The best orientation for a magnetic field to locate a discontinuity is:
CorrectIncorrect - Question 40 of 40
40. Question
Cleaning of an article is accomplished _______________ the magnetic particle test.
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