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NDT Midterm Exam-Questions with Correct Answers/ Verified/ Latest 2024/2025
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NDT Midterm Exam-Questions with Correct Answers/ Verified/ Latest 2024/2025
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NDT Midterm Exam-Questions with Correct Answers/ Verified/Latest 2024/2025
When performing a surface inspection on a piece of aluminum for possible cracks, what are
the possible NDT methods that should be used to confirm your findings? - ✔✔Visual and
Penetrant
Once the surface of the part has been cleaned properly, penetrant can be applied by: -
✔✔All of the above
The most important step in any penetrant type inspection is: - ✔✔Part preparation and
cleaning
The most important consideration before performing any NDT test for a commercial airline
is: - ✔✔All of the above
Referencing your manual reference material, what would you use for the following
penetrant system classifications?Penetrant Type: Type 1Method of Removal: Method
CSensitivity Level: Level 3Developer: Form d - ✔✔High sensitivity fluorescent dye penetrant,
solvent removable and nonaqueous, type I fluorescent developer.
Generally, there is no harm in using a longer dwell time as long as the penetrant: -
✔✔Remains on the part no longer than is allowed per the procedure in use
The skills and qualifications associated with NDT/NDE are only applicable to the aviation
industry. - ✔✔False
The most commonly used methods of nondestructive testing include: - ✔✔Ultrasound,
Magnetic Particle, Eddy Current, & Penetrant
Recalling from your lab, when performing a fluorescent penetrant inspection, the developer
should be applied: - ✔✔From a distance of 6 to 8 inches and in a one direction motion to
create a lightly coated white surface to provide a color contrast to the penetrant and
sufficient enough to draw the penetrant out of the discontinuity
, Calibration stickers are used in NDT to ensure what? - ✔✔Ensures the equipment and
materials used to perform NDT tests are calibrated, legal, and will provide an acceptable
level of performance.
The best NDT technique to use to find defects below the surface of a test piece made of
aluminum would be what? - ✔✔Ultrasound
What is the most important & basic form of Non-Destructive Inspection/Examination? -
✔✔Visual Inspection
The relevant indications of a post FPI/LPI inspection can appear as what? - ✔✔Round circles,
continuous line, and intermittent line
Engine rotating parts require what level of penetrant sensitivity: - ✔✔Level 4
When fluorescent penetrant inspection is performed, the penetrant is formulated to glow
brightly and give off light at a wavelength that: - ✔✔The eye is most sensitive to under dim
lighting conditions while using an ultra violet light source.
You are qualified in every NDT discipline. You are a Level 2 in Ultrasound and Eddy Current.
You have over 1000 hours of FPI experience and are Level 1 in the discipline of Magnetic
Particle. Today you are assigned an ultrasound flaw detection inspection on a Trent 800 fan
blade root. You get that done. You are then assigned to perform an FPI inspection on a CF6
turbine stage 1 blade disc. You get that done. What is the one thing that both of these
inspections have in common? - ✔✔You must have the manual/procedures for each
inspection in hand before beginning your examinations.
A penetrant must: - ✔✔Spread easily over the surface of the material
Fluorescent penetrant application should be monitored to ensure complete coverage of the
area of interest using what: - ✔✔Integrity checked black light
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