NACE (National Association of Corrosion Engineers) CP1 Tester Exam. Do Tests (Written and Start with Term) Questions and Answers | Latest Version | 2025/2026 | Correct & Verified

NACE (National Association of Corrosion Engineers) CP1 Tester Exam. Do Tests (Written and Start with Term) Questions and Answers | Latest Version | 2025/2026 | Correct & Verified Which term refers to the measurement of coating thickness using magnetic or eddy current methods? A) Adhesion testing B) Dry film thickness (DFT) measurement C) Holiday detection D) Pull-off test B) Dry film thickness (DFT) measurement What term describes a holiday in a coating? A) A cured coating defect B) A discontinuity or void exposing the substrate C) A type of primer D) A measurement of surface profile B) A discontinuity or void exposing the substrate Which term defines the test that measures the force required to pull a coating off a substrate? A) Hardness test 2 B) Pull-off adhesion test C) Wet film gauge test D) Impact test B) Pull-off adhesion test What term refers to the process of checking coating continuity with a high-voltage detector? A) Dry film thickness measurement B) Holiday detection C) Adhesion pull test D) Solvent resistance test B) Holiday detection Which term defines corrosion occurring uniformly across a metal surface? A) Pitting B) Uniform corrosion C) Crevice corrosion D) Galvanic corrosion B) Uniform corrosion What term describes localized corrosion forming small, deep cavities? A) Pitting corrosion B) Uniform corrosion C) Erosion corrosion 3 D) Stress corrosion cracking A) Pitting corrosion Which term is used for corrosion caused by two dissimilar metals in electrical contact? A) Uniform corrosion B) Galvanic corrosion C) Crevice corrosion D) Erosion corrosion B) Galvanic corrosion What term refers to surface roughness left by abrasive blasting? A) Surface profile B) Holiday C) Pull-off adhesion D) Wet film thickness A) Surface profile Which term describes contamination such as oil or grease on a metal surface before coating? A) Flash rust B) Residual contaminants C) Surface profile D) Dry film thickness B) Residual contaminants 4 What term describes the powdery residue left on a painted surface after UV exposure? A) Blistering B) Chalking C) Wrinkling D) Pinholing B) Chalking Which term is used for coating flexibility that prevents cracking under stress? A) Hardness B) Flexibility C) Adhesion D) Brittleness B) Flexibility What term refers to the thickness of a coating after it has fully dried? A) Wet film thickness B) Dry film thickness C) Surface profile D) Adhesion B) Dry film thickness Which term refers to the measurement of ambient moisture content during coating application? 5 A) Hygrometer reading B) Surface profile C) Holiday detection D) Pull-off test A) Hygrometer reading What term defines the formation of trapped solvents or moisture causing raised areas on a coating? A) Blistering B) Chalking C) Sagging D) Pinholing A) Blistering Which term refers to the initial coating layer applied directly to the substrate? A) Topcoat B) Primer C) Intermediate coat D) Finish coat B) Primer What term describes the curing failure