Exam Questions and Verified Answers |
Already Graded A+
What is the cause of chalking in epoxy coating - 🧠 ANSWER ✔✔UV or
radiation exposure
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
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3