19. Developer assists in the detection of the visible dye penetrant test indications by: a. providing a clean surface b. providing a contrasting background c. providing a dry surface d. emulsifying the penetrant bleed out
b. providing a contrasting background
71. A crack type discontinuity will generally appear as: a. a round indication b. a continuous line, either straight or jagged c. a straight, single solid line d. random round or elongated holes
b. a continuous line, either straight or jagged
54. Developing powder should always be: a. highly fluorescent b. applied wet c. colorless d. evenly applied
d. evenly applied
21. Which of the following methods for applying nonaqueous developer is normally considered the most effective? a. spraying b. swabbing e. brushing d. dipping
a. spraying
58. Which of the following is most likely to render the post emulsification test ineffective? a. the penetrant time is too long b. the developing time is too long c. the emulsifying time is too long d. none of the above
c. the emulsifying time is too long
6. Which of the following types of discontinuities cannot be detected by the liquid penetrant test method? a. surface laminations b. internal forging bursts c. surface cracks d. surface laps
b. internal forging bursts
52. The prime purpose of the ultraviolet light for fluorescent penetrant inspection is to: a. magnify indications b. make the indications visible c. develop indications d. speed up inspection
b. make the indications visible
38. Which of the following characteristics are normally considered when selecting the type of penetrant to be used in a penetrant test. a. removal characteristics of the penetrant b. sensitivity level c. the cost of the penetrant d. all of the above
d. all of the above
60. Which factor would apply in determining the dwell time required for the penetrant to be effective? a. type of discontinuity sought b. shape of part c. size of part d. surface roughness
a. type of discontinuity sought
12. All of the following methods are recommended to remove grease from the surface of a penetrant test specimen except: a. vapor degreasing b. alkaline cleaning c. cleaning with solvent type material d. hot water rinsing