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ASNT PT LEV II HB Test

Enter the letter for the matching Answer
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1.
57. When improper processing causes inspection difficulties, what should the inspector do? a. swab parts with a solvent b. use a correct bleed back procedure c. erase nonrelevant fluorescence d. reprocess the part
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25. Emulsifier time: a. is important but not normally critical b. is the time to rinse the emulsifier and excess penetrant from the surface c. is extremely important and will greatly affect test results d. should be as long as economically practical
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48. Which is advantage of SRVD PT over F.PT? a. small indications are more easily seen b. they can be used on anodized and chromate surfaces c. they make less background on rough surfaces d. no special lighting is required
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34. PE Testing for shallow discontinuities, emulsification time should: a. mix emulsifier with excess surface PT b. mix emulsifier with surface and disc PT c. mix emulsifier with disc PT d. allow emulsifier dry to white powder
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28. Why excessive drying of a part should be avoided? a. the extra time required is wasted b. the developer may lose its blotting ability c. a reduction in fluorescent brilliance may result d. the excess developer may be difficult to remove
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9. Which of the following discontinuities could be classified as a service induced discontinuity? a. fatigue crack b. porosity c. machining tear d. lap
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5. PT testing method? a. PT is less flexible than the eddy current b. PT is less reliable than MT for surface defects ferromagnetic materials c. PT will not detect fatigue cracks d. PT is more reliable than RT for minute surface discontinuities
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29. Variables considered to use development time required for indication as a measure of the extent of the discontinuity? a. penetrant type and technique sensitivity b. discontinuity type c. temperature of tested component d. all of the above
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64. Shrinkage cracks are usually found in what areas of a casting? a. thin sections only b. heavy sections only c. at abrupt changes in thickness d. no longer a problem
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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
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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
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3. Which mercury arc UV bulb statements are false? a. UV bulb takes 5 min to warm up to full output b. line voltage drops to 90 V shut off bulb c. line voltage spikes to 120 V have no effect d. bulb will not respond if arc is extinguished
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35. Avoid these penetrant practices? a. applying emulsifier by dipping b. applying developer by spraying the part with developer c. removal of water washable penetrant with a water spray d. applying emulsifier with a brush
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32. WW penetrants differ from PE penetrants: a. can only be used on aluminum test specimens b. do not need to be removed from surfaces prior to development c. have a soapy base d. do not need the application of an emulsifier before rinsing
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72. Which of the following discontinuities would be impossible to detect using a liquid penetrant test? a. a forging lap b. a crater crack c. grinding cracks d. nonmetallic internal inclusions
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30. For F.P.E. testing, emulsifier time is allowed to remain on the part is critical when detecting shallow scratch like discontinuities. The actual length of time should be: a. 10 s b. 5 s c. 2 to 3 s d. determined by experimentation
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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
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21. Which of the following methods for applying nonaqueous developer is normally considered the most effective? a. spraying b. swabbing e. brushing d. dipping
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15. When conducting a penetrant test, spherical indications on the surface of a part could be indicative of: a. fatigue cracks b. porosity c. weld laps d. hot tears #
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41. Which of the following is a discontinuity that might be found in a welded fabrication? a. shrinkage b. lack of fusion c. seams d. laps
A.
d. all of the above
B.
a. spraying
C.
a. type of discontinuity sought
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d. no special lighting is required
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d. reprocess the part
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b. lack of fusion
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c. is extremely important and will greatly affect test results
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d. applying emulsifier with a brush
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d. nonmetallic internal inclusions
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d. determined by experimentation
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a. mix emulsifier with the excess surface penetrant only
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b. porosity
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d. hot water rinsing
N.
d. PT is more reliable than RT for minute surface discontinuities
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c. line voltage spikes to 120 V have no effect
P.
d. do not need the application of an emulsifier before rinsing
Q.
c. at abrupt changes in thickness
R.
a. fatigue crack
S.
b. providing a contrasting background
T.
c. a reduction in fluorescent brilliance may result
Type the Answer that corresponds to the displayed Question.
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26. Before PT test of soft metal part, which of the cleaning methods listed below would best remove any smeared metal that could mash discontinuities? a. etching b. shot peening c. alkaline cleaning d. water cleaning with detergents
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45. Which of the following is a discontinuity that might be found in a forging? a. shrinkage cracks b. laps c. cold shuts d. insufficient penetration
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40. Which of the following is a discontinuity that might be found in sand castings? a. incomplete penetration b. undercut c. pipe d. shrinkage
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65. Which of the following is a discontinuity that might be found in a forging? a. shrinkage crack b. lap c. hot tear d. lamination
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14. The penetrant indication of a forging lap will normally be a: a. round or nearly round indication b. cluster of indications c. continuous line d. dotted line #
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63. On aluminum casting of complex design, flat area 1.3" thick, center is 2.0" thick and 1.0" dia. Linear Ind halfway around base it joins thin section. Ind is called: a. dross b. hot tear c. microshrinkage d. porosity
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69. A continuous linear indication can be caused by which of the following discontinuities? a. a continuous linear porosity b. slag inclusions c. pitting d. cracks
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23. Fluorescent materials used in fluorescent penetrants respond most actively to radiant energy with a wavelength of approximately: a. 700 rim b. 250 kV c. 365 nm d. 1 klx (100 ftc)
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61. The part is an aluminum forging. Description — the indication is sharp, halfmoon shaped, not deep. It is called: a. a lap b. center line porosity c. a heat treat crack d. a false indication
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30.
2. The speed with which a penetrant penetrates a surface flaw is influenced to the greatest extent by which of the following properties? a. density b. surface tension and wettability c. viscosity d. capillary action

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