NACE CIP 2 Study Guides
What is the cause of chalking in epoxy coating - answersUV or radiation exposure
What is polymerization cured coating? - answersTwo parts mixed together just prior to
use
Examples of non-convertible coatings - answers1. Chlorinated rubber 2. Vinyl 3. Acrylic
4. Bituminous
Non-convertible curing def. - answersNo chemical change during cure cycle
Convertible curing def. - answersSome chemical change during cure cycle
What info should be included when sending samples to a lab? - answers1. 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 - answers1. 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? - answersProcedure to determine how easily a
coating loosens from a substrate or develops holidays as a result of normal soil
potentials
Individuals who perform surveys - answers1. 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 - answers1. 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 - answers1. Plan maintenance.
2. Prioritize work 3. Budgetary concerns 4. Determine value of assets 5. Legal
compliance
Definition of a coating survey - answersGather baseline info needed to plan
maintenance coating procedures
, What are faying surfaces and why not galvanize them? - answersSurfaces 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 -
answers1. Cracking 2. Peeling 3. Bare spots 4. Lumps 5. Blisters 6. Flux inclusions 7.
Ash inclusions 8. Dross inclusions
Post galvanizing treatments and why - answersTo Remove Thickness: Roll, Wipe,
Centrifuge/Air Blast
To change properties/To alloy: Annealing
Temperature range for galvanizing kettle - answers820-850 F
Purpose of pickling - answersHydrochloric or sulfuric acid bath to remove oxides and
mill scale
Purpose of caustic cleaning - answersAcid bath or caustic to remove dirt, oil and grease
Stages of hot dip process - answers1. Surface prep. 2. Galvanizing 3. Post treatment 4.
Inspection
Hot dip galvanizing safety - answers1. Can stay for some time 2. Molten metal splash 3.
Nascent hydrogen above kettle
Usual layers of galvanized coating consists of: - answers1. 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? - answersCoating 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 - answersCurling
______________ 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. -
answersFeathering
With regards to maint. coating all parties should agree on___________? - answers1.
Spot repair requirements 2. Feathering 3. Appearance of repaired areas
Maint. coating selection process should take the following into consideration: -
answers1. Compatability with existing system 2. Surface prep. 3. If abrasi ve blast is
permitted and feasible
What is the cause of chalking in epoxy coating - answersUV or radiation exposure
What is polymerization cured coating? - answersTwo parts mixed together just prior to
use
Examples of non-convertible coatings - answers1. Chlorinated rubber 2. Vinyl 3. Acrylic
4. Bituminous
Non-convertible curing def. - answersNo chemical change during cure cycle
Convertible curing def. - answersSome chemical change during cure cycle
What info should be included when sending samples to a lab? - answers1. 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 - answers1. 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? - answersProcedure to determine how easily a
coating loosens from a substrate or develops holidays as a result of normal soil
potentials
Individuals who perform surveys - answers1. 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 - answers1. 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 - answers1. Plan maintenance.
2. Prioritize work 3. Budgetary concerns 4. Determine value of assets 5. Legal
compliance
Definition of a coating survey - answersGather baseline info needed to plan
maintenance coating procedures
, What are faying surfaces and why not galvanize them? - answersSurfaces 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 -
answers1. Cracking 2. Peeling 3. Bare spots 4. Lumps 5. Blisters 6. Flux inclusions 7.
Ash inclusions 8. Dross inclusions
Post galvanizing treatments and why - answersTo Remove Thickness: Roll, Wipe,
Centrifuge/Air Blast
To change properties/To alloy: Annealing
Temperature range for galvanizing kettle - answers820-850 F
Purpose of pickling - answersHydrochloric or sulfuric acid bath to remove oxides and
mill scale
Purpose of caustic cleaning - answersAcid bath or caustic to remove dirt, oil and grease
Stages of hot dip process - answers1. Surface prep. 2. Galvanizing 3. Post treatment 4.
Inspection
Hot dip galvanizing safety - answers1. Can stay for some time 2. Molten metal splash 3.
Nascent hydrogen above kettle
Usual layers of galvanized coating consists of: - answers1. 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? - answersCoating 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 - answersCurling
______________ 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. -
answersFeathering
With regards to maint. coating all parties should agree on___________? - answers1.
Spot repair requirements 2. Feathering 3. Appearance of repaired areas
Maint. coating selection process should take the following into consideration: -
answers1. Compatability with existing system 2. Surface prep. 3. If abrasi ve blast is
permitted and feasible
