SSPC C-1 Final Exam Questions and Answers 100% Solved correctly

Which metal would never be used in sacrificial anodes for cathodic protection of steel? - AnswerPlatinum Which surface preparation method is used to create a surface profile? - Answer-Abrasive blasting What is the minimum level of surface cleanliness required when applying an inorganic zinc rich coating? - Answer-SSPC-SP 3 What is the purpose of the lockout/tagout procedure? - Answer-To prevent injury to personnel from equipment Why is it best not to overmix a coating before application? - Answer-To minimize entrapment of air bubbles in the coating On which steel surface would a 3-coat silicone alkyd system be most appropriate? - Answer-Exterior of a water tank in a mild environment Which item below can best be used to determine if chalking of a coating is too great for good topcoat adhesion? - Answer-A dark felt cloth What chemical action takes place at the anode during corrosion? - Answer-Loss of metal Which invisible contaminant can affect coating performance if not removed by cleaning of the steel before coating application? - Answer-Soluble Salts Prior to coating application, the substrate and ambient temperatures must be: - Answer-At least 5° above the dew point and not falling Which is true of a venturi nozzle as compared to a straight-bore nozzle used for abrasive blast cleaning? - Answer-It provides a more uniform blast patternIn which coating application method can the overspray be collected and recycled? - Answer-Powder spray Which coating provides a type of cathodic protection to steel? - Answer-Zinc-rich coatings Which coating would perform best on the interior of a storage tank for aviation fuel? - Answer-Epoxy polyamide Which U.S. organization addresses industrial hazards to personnel at job sites? - Answer-OSHA Which pair of ingredients comprises a coating's vehicle? - Answer-Binder and solvent Which coating system can be used to repair the bottom of a deteriorated steel tank used for storing chemicals? - Answer-Fiberglass-reinforced vinyl ester Theoretical spreading rate is defined as: - Answer-The spreading rate with 0% loss of material Why is a stripe coat a vital part of the coating process? - Answer-It allows the applicator to cover edges/welds and other hard to reach places prior to and after topcoating When a coating's viscosity increases, what happens to the consistency of the material? - Answer-The material becomes thicker Define mill scale. - Answer-An iron oxide film formed during hot-rolling of steel Which instrument can best be used to determine the ambient dew point? - Answer-Psychrometer Define pot life. - Answer-Period of time after mixing of components during which a coating can successfully be appliedAt which location are you most likely to find an oxygen deficiency? - Answer-In tanks and other confined spaces Define bleeding in coatings: - Answer-Color migration from underlying substrate or coating through new coating Which statement is always true about corrosion? - Answer-Anodic and cathodic areas are required