AMPP Nuclear Coating Inspector Certification Exam Guide
                     AMPP
AMPP-Nuclear
ExamName: Nuclear Coatings Inspection Specialty (NCIS)
Exam Version: 6.0
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Question 1. (Single Select)
Safety-related coatings must remain effective after a design basis fire event. Which test or criterion best
evaluates this according to EPRI guidelines?
A: ASTM D5163 adhesion test after thermal aging at rated temperatures
B: Visual inspection for discoloration only
C: Smoke toxicity and flammability testing under ASTM E162 and ASTM E662
D: Chemical resistance to inorganic acids
Answer: C
Explanation:
Fire safety evaluation includes smoke toxicity and flammability per ASTM E162 and E662 to ensure
coatings do not contribute to fire hazards, essential under design basis fire conditions. Adhesion and aging
tests are important but secondary to fire safety.
Question 2. (Multi Select)
High-complexity: Nuclear shield wall steel to SSPC-SP 10, D4417 2.5 mils; D4228 demo with 10%
overspray. Formula for efficiency = (applied volume / total sprayed) x100 >90%. Mitigations?
A: Adjust gun distance to 12 inches, re-measure efficiency
B: Peak density 220 peaks/inch² min
C: Bake panels at 200°F for 1 hour post-apply
D: Oil extraction per D7393 on abrasive 30 dynes/cm for
rewettability, and apply de minimis criteria per RG 1.82 allowing up to 5% affected area if no loose particles
>0.125 inch diameter.
B: Execute a full Qualified/Unqualified Coatings Inventory (QUCI) per EPRI TR-101248, categorizing the
system as Safety-Related Coating System (SRCS) and verifying post-repair qualification under LOCA
simulation at 315°C/150 psig for 30 days.
C: Perform holiday detection per NACE SP0188 using 30 kV DC pulse on 20 mil DFT, documenting
holidays as Coating Degradation Mechanism (CDM) Type 3 (pinholes), and calculate repair epoxy volume:
V = A * t * (1 - p), where A=100 m², t=15 mil, p=0.9 porosity.
D: Initiate radiation survey per 10 CFR 20.1501 with smear tests 1% weight loss or cracking
post-exposure, critical for post-outage licensing. Holiday detection per NACE SP0188 identifies voids in 20
mil systems, classifying as CDM to prioritize repairs, though volume calculation aids material planning but
isn't a direct procedural step. Radiation surveys per 10 CFR 20 confirm fixability (