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Liquid Penetrant Level II Actual Questions and Answers Latest solution guide verified 100% Which of the following discontinuities could be classified as a finishing processing discontinuity?Answer✔✔- -Heat-treat crack Aluminum alloy test specimens that have been tested by the liquid penetrant method should be thoroughly cleaned after testing because: Answer✔✔- -the alkaline content of wet developers and most emulsifiers could result in surface pitting, particularly in moist atmospheres.Which factor would apply in determining the dwell time required for the penetrant to be effective?Answer✔✔- -Type of discontinuity sought.Which of the following physical properties, more than any other, determines what makes a material a good penetrant? Answer✔✔- -No one single property determines if a material will or will not be a good penetrant.Which of the following discontinuities might be found in rolled plate? Answer✔✔- -Laminations Which of the following is NOT recommended method of removing grease from a surface of a part to be penetrant tested? Answer✔✔- -Hot water rinse Which of the following is NOT a form in which penetrant developer is commonly available?Answer✔✔- -High viscosity developer When using post-emulsification penetrants, difficulties incurred during the washing operation can be overcome by: Answer✔✔- -completely reprocessing the part from surface preparation on and by using a longer emulsifier time. This study source was downloaded by 100000878557257 from CourseHero.com on 06-18- 11:53:53 GMT -05:00 https://www.coursehero.com/file/234694587/Liquid-Penetrant-Level-II-Actual-Questions-and-Answers-Latest-solution-guide- -verified-100docx/

The function of the emulsifier in the post-emulsification penetrant method is to: Answer✔✔- -react with the surface penetrant to make the penetrant water-washable.Which of the following is a discontinuity that might be found in forging? Answer✔✔- -Lap Shrinkage cracks are usually found in what areas of a casting? Answer✔✔- -Abrupt changes in thickness Which of the following is an advantage of visible dye penetrants over fluorescent penetrants?Answer✔✔- -No special lighting is required.Of the methods listed below, the most effective means of precleaning a test item prior to a penetrant

test is: Answer✔✔- -vapor degreasing

Which of the following statements concerning contaminating materials on the surface of a part to be penetrant tested is NOT true? Answer✔✔- -The contaminant may retain the penetrant and thus increase the sensitivity of the inspection Which of the statements below best states the danger of using sandblasting for cleaning surfaces to be penetrant tested? Answer✔✔- -The discontinuities may be closed The penetrant indication of a forging lap will normally be: Answer✔✔- -a continuous line Which of the following is a discontinuity which might be found in sand castings: Answer✔✔- - Shrinkage Why is it advisable to have a black light installed at the wash station? Answer✔✔- -To check the effectiveness of the wash cycle An important difference between non-water-washable penetrants and water-washable penetrants is that: Answer✔✔- - water-washable penetrants contain an emulsifier, while non-water washable penetrants do not This study source was downloaded by 100000878557257 from CourseHero.com on 06-18- 11:53:53 GMT -05:00 https://www.coursehero.com/file/234694587/Liquid-Penetrant-Level-II-Actual-Questions-and-Answers-Latest-solution-guide- -verified-100docx/

Which of the following are typical of foreign matter which might block the openings of discontinuities if the surface of a test specimen is NOT properly cleaned? Answer✔✔- - All of the above. (Core and mold material, scale, paint) The speed with which a penetrant penetrates a surface flaw is influenced to the greatest extent by which of the following properties? Answer✔✔- -Viscosity Which of the following is a discontinuity that might be found in rolled bar stock? Answer✔✔- -Crack or seam Which of the following discontinuities could be classified as a primary processing discontinuity often found in cast material Answer✔✔- -Porosity Which of the following is a discontinuity that might be found in a forging? Answer✔✔- -Laps A Crack type discontinuity will generally appear as: Answer✔✔- -a continuous line, either straight or jagged.A continuous linear indication can be caused by which of the following discontinuities? Answer✔✔- - Cracks Which of the following discontinuities could be classified as a service induced discontinuity?Answer✔✔- -Fatigue crack When using a fluorescent, post-emulsifiable penetrant, the length of time the emulsifier is allowed to remain on the part is critical when detecting shallow scratch-like discontinuities. The best length of time

should be: Answer✔✔- -determined by experimentation.

The emulsifier is used: Answer✔✔- - to emulsify the oil-soluble penetrant, thereby making it water washable.The penetrant indication for a cold shut on the surface of a casting will be: Answer✔✔- - a dotted or smooth continuous line. This study source was downloaded by 100000878557257 from CourseHero.com on 06-18- 11:53:53 GMT -05:00 https://www.coursehero.com/file/234694587/Liquid-Penetrant-Level-II-Actual-Questions-and-Answers-Latest-solution-guide- -verified-100docx/

Which of the following could be a source of false indications on a test specimen? Answer✔✔- -All of the above. (Contamination of dry or wet developer with penetrant, penetrant on the hands of the inspector, penetrant on test table) Fluorescent materials used in fluorescent penetrants respond most actively to radiant energy, of a

wavelength of approximately: Answer✔✔- -3,650 Angstroms.

Which of the following discontinuities might be found in a welded fabrication? Answer✔✔- - Lack of fusion Which of the following is the best reason why excessive drying of a part is NOT desired? Answer✔✔- - A reduction in resolution may result.Which of the following is a discontinuity that might be found in rolled plate stock? Answer✔✔- - Inclusions When viewing parts, fluorescent background may indicate: Answer✔✔- - all of the above. (Poor washing, porous material and coating, improper cleaning before penetrant cycle.) Which of the following is a purpose of the drying process used in penetrant testing? Answer✔✔- -After the application of a wet developer, the drying process aids in securing a uniform developer coating.Which of the following is a possible cause for false penetrant indications? Answer✔✔- -Lint or dirt )Which of the following is most apt to render the post- emulsification test ineffective? Answer✔✔- - Too long of an emulsifying time.Which of the following types of discontinuities will NOT be detected by the liquid penetrant test method? Answer✔✔- -Internal forging bursts Which of the following is a discontinuity that might be found in rolled bar stock? Answer✔✔- -Cracks or seams This study source was downloaded by 100000878557257 from CourseHero.com on 06-18- 11:53:53 GMT -05:00 https://www.coursehero.com/file/234694587/Liquid-Penetrant-Level-II-Actual-Questions-and-Answers-Latest-solution-guide- -verified-100docx/