Penetrant Testing UPDATED Actual Exam Questions and CORRECT Answers
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Course
Penetrant Testing
Institution
Penetrant Testing
Penetrant Testing UPDATED Actual Exam
Questions and CORRECT Answers
Preclean Surface to be
inspected
Apply penetrant and dwell
Remove excess penetrant from part surface
Develop
Inspect
Post clean
Mark (serviceable/acceptable/dispose) - CORRECT ANSWER- 1.
Explain the Basic Processing St...
Penetrant Testing UPDATED Actual Exam
Questions and CORRECT Answers
Preclean Surface to be
inspected
Apply penetrant and dwell
Remove excess penetrant from part surface
Develop
Inspect
Post clean
Mark (serviceable/acceptable/dispose) - CORRECT ANSWER- ✔✔1.
Explain the Basic Processing Steps of a Liquid Pentrant Inspection
hint: P-----M
Excess penetrant removal are classified into four methods .
Method D: Post-Emulsifiable, Hydrophilic - CORRECT ANSWER- ✔✔2.
Excess penetrant removal are classified into four methods . List them all.
CCTIDE
Colour (will not lose)
Chemical Reaction (will not have with the part)
Toxic (will not be)
Ignite (will not occur)
Decompose (will not happen during long term storage)
, Evaporate (will not easily) - CORRECT ANSWER- ✔✔3. What are the "MUST HAVE"
properties of Penetrant ?
BEERVC
Brilliant under proper lighting
Easily removed
Enter into fine and/or coarse openings
Remain in fine and/or coarse openings
Visible in fine quantities
Come to the surface - CORRECT ANSWER- ✔✔4. What are the desirable properties of
penetrant ?
Interpretation is determining the indications wheter they are relevant or nonrelevant
Evaluation is determining the severity of the interpreted indications. Which is usually lead to
the determining the part is acceptable, rejectable or salvageable. - CORRECT ANSWER-
✔✔5. Describe the meaning of interpretation and evaluation ?
Any local variation in material continuity including change in geometry, structural and
composition. - CORRECT ANSWER- ✔✔6. What is discontinuity?
Defect is any discontinuity that is of such a size, shape, type or location that creates
substantial chance for material failure - CORRECT ANSWER- ✔✔7. What is defect ?
Sensitivity is the ability of the penetrant process to detect surface discontinuities - CORRECT
ANSWER- ✔✔8. What is the sensitivity ?
Seeability: the characteristic of an indication that enables an observer to see it against the
adverse conditions of the background and/or excess outside light. - CORRECT ANSWER-
✔✔9. What is the definition "seeability" ?
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