Quiz 0% 7 Created on June 04, 2021Liquid Penetrant Testing Liquid Penetrant Testing Quiz-1 1 / 10 The time period during which penetrant remains on the surface of the test piece is called: Dwell time Soaking time Fixing time Development time 2 / 10 Penetrants may be applied to the surface of part by : Spraying Dipping Pouring All of the above methods are acceptable 3 / 10 The act of determining the cause of an indication is called Interpretation Inspection Evaluation Determination 4 / 10 In the solvent removable penetrant process, excess penetrant is removed with: A water spray A hydrophilic scrubber A solvent spray Clean, lint free towels slightly moistened with solvent 5 / 10 Correct developer coating thickness is indicated by: An even, snowy white appearance A slightly pinkish background A fine, misting spray A thin, translucent layer 6 / 10 Penetrant testing is limited by its inability to test which of the following materials: Aluminium Ceramics Porous materials Moulded rubber 7 / 10 The penetrant process best suited to use on parts with rough surfaces is: Solvent removable Water washable Post emulsifiable Magnetic particle 8 / 10 How is the size of a liquid penetrant indication usually related to the discontinuity itrepresents: Larger than Smaller than Equal to Not related to 9 / 10 Which penetrant process is best suited to detect shallow discontinuities? Solvent removable Water washable Post emulsifiable Fluorescent 10 / 10 Liquid penetrant testing is based on the principle of: Polarized sound waves in a liquid Magnetic domains Absorption of X rays Capillary action Your score is The average score is 60% LinkedIn Facebook Twitter 0% Restart quiz 2 Created on June 04, 2021Liquid Penetrant Testing Liquid Penetrant Testing Quiz-2 1 / 10 A hydrometer is used to measure: Penetrant viscosity Specific gravity of water based wet developers Penetrant specific gravity Cleaner specific gravity 2 / 10 Visible, solvent removable penetrants are most advantageous for: Inspecting parts with rough surfaces Inspecting batches of small parts Inspecting parts at remote locations Inspecting parts with porous surfaces 3 / 10 For adequate test results, the black light used in fluorescent penetrant examination should provide what minimum black light intensity at the test surface? 100 foot candles per square centimetre 1000 microwatts per square centimetre 800 foot candles 35 microwatts per square centimeter 4 / 10 What minimum warm-up time is required for acceptable performance of a mercury Vapour arc black light? None 2 minutes 5 minutes 10 minutes 5 / 10 Which of the following penetrants contains an emulsifying agent? Solvent removable Water washable Post emulsifiable Fluorescent 6 / 10 What type of solvent removers may be used with a solvent removable penetrant? Any organic solvent Only the cleaner recommended by the manufacturer of the penetrant Any alcohol based solvents Only chlorinated hydrocarbons 7 / 10 Which of the following is a prerequisite for a penetrant test? Developer must be applied in a thin, even coat Any surface coatings or soils must be completely removed All traces of penetrant materials should be removed after testing is complete The test object must be non-magnetic 8 / 10 Which of the following types of pre-cleaning processes may be used for liquid penetrant testing? Wire brushing only Detergent and water only Vapour degreasing only Any process that leaves the part clean and dry, does not harm the part and is compatible with the penetrant materials 9 / 10 What is the likely result of incomplete removal of all excess penetrant from the test piece surface? Formation of false indications Formation of relevant indications Exaggeration of the size of relevant indications None of the above 10 / 10 What is the preferred pre-cleaning process for removal of oil and grease : Steam cleaning with a added acid Vapour degreasing Steam cleaning Ultrasonic cleaning Your score is The average score is 65% LinkedIn Facebook Twitter 0% Restart quiz 1 Created on June 04, 2021Liquid Penetrant Testing Liquid Penetrant Testing Quiz-3 1 / 10 The time period during which penetrant remains on the surface of the test piece is called: Dwell time Soaking time Fixing time Development time 2 / 10 Excess penetrant removal is a two step process with which of the following penetrant methods? Water washable Post emulsifiable Solvent removable Liquid oxygen applications 3 / 10 A developer aids penetrant bleed out because of: Adequate removal of the excess penetrant Providing a contrasting background for visible dye indications Capillary action Proper emulsifier action 4 / 10 In the solvent removable penetrant process, excess penetrant is removed with: A water spray A hydrophilic scrubber A solvent spray Clean, lint free towels slightly moistened with solvent 5 / 10 Water based wet developer is applied: Immediately before removal of excess penetrant Immediately after removal of excess penetrant After a drying period following removal of excess penetrant For maximum sensitivity results 6 / 10 Which of the following is a function of a developer Providing a contrasting background for visible dye indications Making the penetrant water washable Penetrating into discontinuities open to the surface Dissolve organic soils on the test piece surface 7 / 10 Which of the following is a function of a developer? Providing a contrasting background for visible dye indications Accentuates presence of discontinuities by causing a penetrant indication to spread out over a larger area Provides capillary paths to aid the bleed out process All of the above 8 / 10 Which of the following developers is applied before the drying operation? Dry Non-aqueous wet Water based wet None of the above 9 / 10 The most sensitive type of developer for the detection of fine discontinuities is: Water soluble Non-aqueous wet Dry Water Suspendable 10 / 10 Which of the following is the most sensitive developer in descending order? Dry, water soluble, water suspendable Non-aqueous wet, water soluble, water suspendable ,dry Non-aqueous wet, dry, water soluble Water suspendable, water soluble, non-aqueous wet Your score is The average score is 80% LinkedIn Facebook Twitter 0% Restart quiz
