1. 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 2. Which type of developer should not be used with a visible dye penetrant process? a. Dry b. Non-aqucous wet c. Water Soluble d. Water Suspendible 3. The most significant advantage of the visible solvent removable penetrant process is? a. Its suitability for penetrant testing of article with rough surfaces b. Portability c. Its non-corrosive properties d. Ability to allow retest 4. Which of the following is a discontinuity that might be found in a welded fabrication? a. Shringkage b. Lack of fusion c. Seams d. Laps 5. The most important penetrant test processing time to control is a. Penetrant Dwell Time b. Emulsifier Dwell Time c. Water Rinse Time d. Development Time 6. Which of the following is a discontinuity that might be found in rolled plate? a. Laminations b. Shrinkage c. Lack of fusion d. Undercut 7. A penetrant which contains an emulsifier is called a. Solvent Removable b. Water Washable c. Post emulsifiable d. Solvent Suspended 8. A penetrant which requires separate emulsification step prior to removal from the surface of the test piece is called? a. Solvent Removable b. Water Washable c. Post emulsifiable d. Solvent Suspended

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1. 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 2. Which type of developer should not be used with a visible dye penetrant process? a. Dry b. Non-aqucous wet c. Water Soluble d. Water Suspendible 3. The most significant advantage of the visible solvent removable penetrant process is? a. Its suitability for penetrant testing of article with rough surfaces b. Portability c. Its non-corrosive properties d. Ability to allow retest 4. Which of the following is a discontinuity that might be found in a welded fabrication? a. Shringkage b. Lack of fusion c. Seams d. Laps 5. The most important penetrant test processing time to control is a. Penetrant Dwell Time b. Emulsifier Dwell Time c. Water Rinse Time d. Development Time 6. Which of the following is a discontinuity that might be found in rolled plate? a. Laminations b. Shrinkage c. Lack of fusion d. Undercut 7. A penetrant which contains an emulsifier is called a. Solvent Removable b. Water Washable c. Post emulsifiable d. Solvent Suspended 8. A penetrant which requires separate emulsification step prior to removal from the surface of the test piece is called? a. Solvent Removable b. Water Washable c. Post emulsifiable d. Solvent Suspended

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Answer 1

1. d. All of the above
Characteristics such as removal characteristics, sensitivity level, and cost are all considered when selecting a penetrant for a penetrant test.

2. a. Dry
Dry developers should not be used with visible dye penetrants as they do not effectively develop the penetrant.

3. a. Its suitability for penetrant testing of articles with rough surfaces
The visible solvent removable penetrant process is particularly advantageous for testing rough surfaces.

4. b. Lack of fusion
Lack of fusion is a common discontinuity found in welded fabrications.

5. d. Development Time
The most critical processing time to control in penetrant testing is the development time.

6. a. Laminations
Laminations are a type of discontinuity that can be found in rolled plates.

7. c. Post emulsifiable
A penetrant containing an emulsifier is called post emulsifiable.

8. c. Post emulsifiable
A penetrant requiring a separate emulsification step before removal is also called post emulsifiable.

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