PRACTICE TEST 2026 TEST PAPER
QUESTIONS ANSWERS GRADED A+
◉ What is polymerization cured coating?.
Answer: Two parts mixed together just prior to use
◉ Examples of non-convertible coatings.
Answer: 1. Chlorinated rubber 2. Vinyl 3. Acrylic 4. Bituminous
◉ Non-convertible curing def..
Answer: No chemical change during cure cycle
◉ Convertible curing def..
Answer: Some chemical change during cure cycle
◉ What info should be included when sending samples to a lab?.
Answer: 1. Identity of materials 2. Properly packed/labeled samples 3.
Chain of custody form 4. Type of analysis that is expected and the
concentrations of interest
◉ Specialized tests or equipment coating inspectors may encounter.
Answer: 1. AA/AE Atomic Absorption/Emission 2. ISP Induction
coupled plasma Spectrometer 3. GLC Gas liquid chromatographs 4. IR,
,FTIR, FTIR-ATR INfrared spectrophotometers 5. DSC Differential
scanning calorimeters
◉ What is a cathodic dis-bondment test?.
Answer: Procedure to determine how easily a coating loosens from a
substrate or develops holidays as a result of normal soil potentials
◉ Individuals who perform surveys.
Answer: 1. O-Cat or S-cat tech 2. NACE coating specialist 3. NACE
Level III 4. Coating Inspector w/field experience 5. Coating
manufacturer representative 6. Maintenence engineer with specific plant
knowledge.
◉ Coating survey steps.
Answer: 1. Understand scope 2. Gather team 3. Develop survey plan 4.
Review standards 5. Agree on format 6. Delegate various tasks 7.
Eveluate existing coating 8. Delegate various tasks 9. Evaluate existing
coating 10. Gather additional info 11. Summarize data 12. Prepare
maintenance plans 13. Prepare reports/input data 14. Submit final survey
reports.
◉ List some of the primary reasons surveys are performed.
Answer: 1. Plan maintenance. 2. Prioritize work 3. Budgetary concerns
4. Determine value of assets 5. Legal compliance
◉ Definition of a coating survey.
, Answer: Gather baseline info needed to plan maintenance coating
procedures
◉ What are faying surfaces and why not galvanize them?.
Answer: Surfaces that depend on friction to hold galvanizing it may/will
reduce friction if they are galvanized
◉ Common problems seen during the usual inspections of HD
galvanized items.
Answer: 1. Cracking 2. Peeling 3. Bare spots 4. Lumps 5. Blisters 6.
Flux inclusions 7. Ash inclusions 8. Dross inclusions
◉ Post galvanizing treatments and why.
Answer: To Remove Thickness: Roll, Wipe, Centrifuge/Air Blast
To change properties/To alloy: Annealing
◉ Temperature range for galvanizing kettle.
Answer: 820-850 F
◉ Purpose of pickling.
Answer: Hydrochloric or sulfuric acid bath to remove oxides and mill
scale
◉ Purpose of caustic cleaning.