30 Question PT quiz

1. Rejection or acceptance of parts should be based on which of the following, in absence of written acceptance criteria?

2. The part is a 12.5 mm (1/2) thick aluminium plate with a Vee weld. Description - the indication appears in an area that is somewhat dish-shaped. The indication extends out from the centre in a spoke formation. The indication is:

3. The most difficult developers to remove are the

4. Which of the following disconthiuities could be classified as a finishing processing discontinuity?

5. If the ultra-violet lamp being used for inspection has a cracked filter:

6. Which of the following is a discontinuity that might be found in rolled plate stock?

7. The tendency of a liquid penetrant to enter a discontinuity is primarily related to:

8. During a penetrant test, water was used to remove the surface penetrant after the penetrant dwell. The surface:

9. An overhaul facifity regularly penetrant tests aluminium alloy aircraft wheels from service in order to detect fatigue cracks. Which of the following would be the most efficient final cleaning process before penetrant testing?

10. Which of the following is TRUE when solvent precleaners are used prior to penetrant inspection?

11. The function of the emulsifier in the post-emulsification penetrant method is to:

12. When conducting a penetrant test, spherical indications on the surface of a part could be indicative of:

13. Which of the statements below apply to the liquid penetrant method of testing?

14. The part is an aluminium casting. Description - the casting has a very complex design. In one section there is a flat area having a thickness of 3 mm (1/8). In the centre of this area is a round section, 50mm (2) thick and 25mm (1) in diameter. There are linear indications about one-half the distance around the base where it joins into the thin section. The indication is termed:

15. The ability of a penetrant to detect surface breaking discontinuities and provide an indication visible to the unaided eye is called:

16. Developer assists in the detection of the visible dye penetrant test indications by:

17. Which of the following is an advantage of visible dye penetrants over fluorescent penetrants?

18. What is the most common purpose of non-destructive testing?

19. Which of the following discontinuities could be classified as a service induced discontinuity?

20. Of the methods listed below, the most effective means of precleaning a test item prior to a penetrant test is:

21. When using a non-aqueous wet developer with a visible (red dye) penetrant, the developer coating for the maximum available sensitivity should be:

22. A part has been tested using a solvent-removable visible (red dye) penetrant. Which of the following is true if the part is to be tested at a later date?

23. Which of the following physical properties, more than any other, determines what makes material a good penetrant?

24. Tests for penetrant sensitivity may best be conducted using:

25. A term used to define defect is:

26. The part is an aluminium forging. Description - the indication is sharp, half-moon shape, not deep, and is called a:

27. Penetrant dwell time is dependant on:

28. One of the differences between the hydrophffic and lipophilic post-emulsifiable penetrant systems is:

29. Which of the following (on the basis of cost-efficiency) NOT recommended for penetrant application and dwell?

30. Which of the following is a purpose of the drying process used in penetrant testing?


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