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Liquid Penetrant Testing Exam UPDATED QUESTIONS AND CORRECT ANSWERS

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Liquid Penetrant Testing Exam UPDATED QUESTIONS AND CORRECT ANSWERS Removal Method Best for Rough or Porous Materials when using Fluorescent Penetrants - CORRECT ANSWER Water Washable Least Sensitive Removal Method - CORRECT ANSWER Built in Emulsifier - CORRECT ANSWER Water Washable Water Washable Fastest and Easiest Removal Method - CORRECT ANSWER Water Washable Contact Angle - Angle that allows for best wetting ability - CORRECT ANSWER 90deg Lipophilic Emulisifier is either dipped or poured on but not - CORRECT ANSWER Sprayed This removal method uses a lint-free cloth, generally grouped together in a portable kit, and cleaner/remover/developer spraying should be carefully considered or avoided. - CORRECT ANSWER Solvent Removable Emulsifier that requires a pre-rinse of penetrant and can be applied by dipping, flowing, or spraying - CORRECT ANSWER Hydro-Philic Water-based emulsifief - CORRECT ANSWER Oil Based emulisifier - CORRECT ANSWER Hydro-philic

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Liquid Penetrant Testing Exam UPDATED
QUESTIONS AND CORRECT ANSWERS
Removal Method Best for Rough or Porous Materials when using Fluorescent Penetrants -
CORRECT ANSWER Water Washable



Least Sensitive Removal Method - CORRECT ANSWER Water Washable



Built in Emulsifier - CORRECT ANSWER Water Washable



Fastest and Easiest Removal Method - CORRECT ANSWER Water Washable



Contact Angle - Angle that allows for best wetting ability - CORRECT
ANSWER <90deg



Lipophilic Emulisifier is either dipped or poured on but not - CORRECT
ANSWER Sprayed



This removal method uses a lint-free cloth, generally grouped together in a portable kit, and
cleaner/remover/developer spraying should be carefully considered or avoided. - CORRECT
ANSWER Solvent Removable



Emulsifier that requires a pre-rinse of penetrant and can be applied by dipping, flowing, or
spraying - CORRECT ANSWER Hydro-Philic



Water-based emulsifief - CORRECT ANSWER Hydro-philic



Oil Based emulisifier - CORRECT ANSWER Lipophilic



Most sensitive technique? - CORRECT ANSWER Post-Emulsified Hydro-Philic

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