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please answe quiz 1 to 15
QUESTION 1 are thermoplastic adhesive systems ? are thermosetting adhesive systems A Anaerobic Epoxy and and acrylic: anaerobic cyanoacrylate cyanoacrylate and epoxy and hot molt Epoxy and acry.cz cyanoacrylate and anaerobic Epoxy and cyanoacrylate anaerobic and acryic Anaerobic and cyanoacrylate. epoxy and acrylic a points QUESTION 2 Roughening the faying surfaces tends to the strength of an adhesively bonded joint Anorease increase or decrease chave no effect on Op decrease D.S points QUESTION 3 Addition of ____ to adhesives will make the adhesives__conductive A Al2O3 BA Al particles 0 Algo particles particles thermally and particles only only electrically themally and electrically thermally electrically 0.5 points AW QUESTION 4 Anaerobic adhesives are cured cin a well lated Awhen when subjected to mechanical activation Le Os when exposed to metal ons (Fe Cu) in the oxygenrich environment Dexclusively in the absence of all Lwhen subjected 10 electromagnetic radiation heat, UV electrical Current) physical pressure) atsende of air 0.5 points QUESTIONS Non-structural adhesive systems display O high mechanical load beating characteristics O limited mechanical load bearing characteristics A. an ability to be cured exclusively by mechanical activation Op physical pressure) Cextreme sensitivity to non structura operational environment lie mechanical loods, heat moisture, etc) ) D limited adhesive properties in applied applications such as product labeing and/or packaging 0.5 points SA QUESTIONG Which of the following achesive systems will be most appropriate for a joint that frequently flexes and is subjected to high-amplitude cyclic loads? A Hotmelt Silicone OE Epoxy, OD Urethane Natural and/or high and/or cyanoacrylate adhesives temperature acrylic and/or such as adhesive polyvinyl tree sap acetate and wood (PVA ash 0.5 points QUESTION In addition to removing contaminant layer from the workpiece surface_can also deburt A ultrasonic cleaning Bacic cleaning C vibratory fishing Dalkalne cleaning 0.5 points Swewe QUESTIONS Treatment of materials surface by shot peening process - surface hardness by means of formation of residual_by cald plastic deformation A decreases: Os increases Oc.decreases increases L increases compressive tensile tensile compressive compressive stresses strains stresses strains stresses 0.5 points Swew QUESTIONS Alkaline cleaning is normally used to remove A organic deposits foil grease wax, , etc E non-ioni surfactants B.dirt and/or fine particles of metal metal lons only Cinorganic deposits ske scaing (silicates, sulfites, calcium and other mineral deposits) 0.5 points QUESTION 10 Which of the following is not a reason why workparts must be cleaned in Industry? A To prepare n. Ta e To enhance Ор Те TO the surface improve appearance enhance for gene mechanical subsequent conditions properties processing for of the workers surface To remove contaminants that might chemically attack the surface 0.5 points on QUESTION 11 Which one of the following characteristics of a surface is not included in the surface topography A. Deviations from the nominal surtace. OB Feed marks of the tool that produced the surface Hardness variations 0 Surface flaws 0.5 points