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NACE CIP 2 Study Guide |118 Questions with 100% Correct Answers | Updated & Verified
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NACE CIP 2 Study Guide |118 Questions with100% Correct Answers | Updated & Verified
What is the cause of chalking in epoxy coating - -UV or radiation exposure
-What is polymerization cured coating? - -Two parts mixed together just prior to use
-Examples of non-convertible coatings - -1. Chlorinated rubber 2. Vinyl 3. Acrylic 4.
Bituminous
-Non-convertible curing def. - -No chemical change during cure cycle
-Convertible curing def. - -Some chemical change during cure cycle
-What info should be included when sending samples to a lab? - -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 - -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? - -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 - -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 - -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 - -1. Plan maintenance. 2.
Prioritize work 3. Budgetary concerns 4. Determine value of assets 5. Legal compliance
-Definition of a coating survey - -Gather baseline info needed to plan maintenance
coating procedures
-What are faying surfaces and why not galvanize them? - -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 - -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 - -To Remove Thickness: Roll, Wipe,
Centrifuge/Air Blast
To change properties/To alloy: Annealing
-Temperature range for galvanizing kettle - -820-850 F
-Purpose of pickling - -Hydrochloric or sulfuric acid bath to remove oxides and mill
scale
-Purpose of caustic cleaning - -Acid bath or caustic to remove dirt, oil and grease
-Stages of hot dip process - -1. Surface prep. 2. Galvanizing 3. Post treatment 4.
Inspection
-Hot dip galvanizing safety - -1. Can stay for some time 2. Molten metal splash 3.
Nascent hydrogen above kettle
-Usual layers of galvanized coating consists of: - -1. ETA=100% Zn 2. ZETA= 94% Zn
6%Fe 3. DELTA= 90% Zn 10 Fe 4. GAMMA= 75% Zn 25% Fe
-What is hot dip galvanizing? - -Coating iron or steel with zinc at temperatures of 820-
860 F
-If a maintenance coating to be applied is incompatible with the existing coating
system__________may occur - -Curling
-______________ is performed at the work area by working the edges of the
repaired area back to achieve a fairly smooth transition from the repair area to sound
coating. - -Feathering
-With regards to maint. coating all parties should agree on___________? - -1. Spot
repair requirements 2. Feathering 3. Appearance of repaired areas
-Maint. coating selection process should take the following into consideration: - -1.
Compatability with existing system 2. Surface prep. 3. If abrasi ve blast is permitted and
feasible
-When determining coating system life cycle the following should be considered: - -1.
Maint. costs 2. Length of coating life 3. Initial and maint. material costs 4. Intial and
maint. labor costs
-Life cycle of a coating system can be affected by: - -1. Service environment 2. Maint.
intervals 3. Coating system chosen 4. Surface condition
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