NACE CIP1 Study Questions – Corrosion Engineering – 2026 – Practice and Exam
Prep
1. You are the NACE Inspector on a tank lining project where a 50% solids epoxy tank lining is
being applied. After the application of the 19 coat, you notice small blisters in some areas of the
applied lining.
Your FIRST preferred course of action is to:
A. Break the blisters to see what's inside
B. Document the problem and advise the Contractor and Owner's representative
C. Document the problem and advise the Contractor
D. Extract any liquid that may be inside the blister and send it to the lab for further analysis -
correct answer ✔✔ B. Document the problem and advise the Contractor and Owner's
representative
2. Dew point is the temperature at which
A. water freezes.
B. humidity decreases
C. condensation occurs.
D. the air is saturated. - correct answer ✔✔ C. condensation occurs.
3. If a contractor is using a poorly maintained compressor to supply air for abrasive blast
cleaning and conventional airspray, the coating inspector should perform a
A. dry film thickness (DEI) measurement.
B. wet film thickness (WFT) measurement.
,C. blotter test for the presence of oil and water.
D. vial lest. - correct answer ✔✔ C. blotter test for the presence of oil and water.
4. Upon arrival of coating materials, the inspector should
A. review coating contractors' plans for storage of coating materials and confirm they meet
national, local and owners' fire and environmental regulations.
B. observe and document the amount of material and batch numbers. C. observe aryl document
that the applicator WFT at regular intervals during application.
D. observe and document time frame and environmental conditions between each coat. -
correct answer ✔✔ B. observe and document the amount of material and batch numbers.
5. Relative humidity is
A. a measure of the amount of moisture in the air compared to saturation level.
B. a measure of the amount of moisture in the air compared to the air temperature.
C. the lowest temperature at which moisture forms on a steel surface. D. the highest
temperature at which moisture forms on a steel surface. - correct answer ✔✔ A. a measure of
the amount of moisture in the air compared to saturation level.
6. Galvanic corrosion occurs on which of the following substrates:
A. Concrete
B. Fiberglass Reinforced Plastic
C. Metal
D. Wood - correct answer ✔✔ C. Metal
7. When applying Thermal Spray Coatings the specification is most likely to reference:
,A. SSPC PA 2
B. NACE SP 0178
C. NACE SP 0188
D. SSPC-CS 23.00/AWS C2.23/NACE No. 12 - correct answer ✔✔ D. SSPC-CS 23.00/AWS
C2.23/NACE No. 12
8. What is the minimum recommended distance away from an edge that an inspector should
take a measurement with a dial-type magnetic pull-off Dry Film Thickness (DFT) gauge?
A. 1 cm (.39 inch)
B. 2.5 cm (1 inch)
C. 6.35 cm (2.5 inch)
D. 2.5 millimeters (.10 inch) - correct answer ✔✔ B. 2.5 cm (1 inch)
9. Polymerization is the process of:
A. Monomers telegraphing
B. Monomers joining together
C. All thermoplastic coatings
D. All organic coatings - correct answer ✔✔ B. Monomers joining together
10. An exposed area of the substrate or previous coat of a conductive coating material, often
caused by poor application technique is called
A. cracking.
B. sagging.
C. holiday.
D. checking. - correct answer ✔✔ C. holiday.
, 11. Checking is
A. an exposed area of the substrate or previous coat material, caused by poor application
technique.
B. a fine crack in the surface of a coating that rarely reaches the substrate
C. a very small hole in a coating caused when air or solvent is trapped in porous film and then
escapes.
D. surface breaks in the film that often result from grease or oil contamination and revel the
substrate. - correct answer ✔✔ B. a fine crack in the surface of a coating that rarely reaches the
substrate
12. Inspection documentation is important because:
A. It is the only deliverable item provided by the inspector
B. Owners use the documentation for a variety of purposes
C. a) only
D. a) & b) - correct answer ✔✔ B. Owners use the documentation for a variety of purposes
13. An inspectors personal log book should contain:
A. Subjective comments re ding the application team
B. Objective comments regarding the application work
C. No comments regarding the application team
D. The inspector's personal opinions of the application team - correct answer ✔✔ C. No
comments regarding the application team
Prep
1. You are the NACE Inspector on a tank lining project where a 50% solids epoxy tank lining is
being applied. After the application of the 19 coat, you notice small blisters in some areas of the
applied lining.
Your FIRST preferred course of action is to:
A. Break the blisters to see what's inside
B. Document the problem and advise the Contractor and Owner's representative
C. Document the problem and advise the Contractor
D. Extract any liquid that may be inside the blister and send it to the lab for further analysis -
correct answer ✔✔ B. Document the problem and advise the Contractor and Owner's
representative
2. Dew point is the temperature at which
A. water freezes.
B. humidity decreases
C. condensation occurs.
D. the air is saturated. - correct answer ✔✔ C. condensation occurs.
3. If a contractor is using a poorly maintained compressor to supply air for abrasive blast
cleaning and conventional airspray, the coating inspector should perform a
A. dry film thickness (DEI) measurement.
B. wet film thickness (WFT) measurement.
,C. blotter test for the presence of oil and water.
D. vial lest. - correct answer ✔✔ C. blotter test for the presence of oil and water.
4. Upon arrival of coating materials, the inspector should
A. review coating contractors' plans for storage of coating materials and confirm they meet
national, local and owners' fire and environmental regulations.
B. observe and document the amount of material and batch numbers. C. observe aryl document
that the applicator WFT at regular intervals during application.
D. observe and document time frame and environmental conditions between each coat. -
correct answer ✔✔ B. observe and document the amount of material and batch numbers.
5. Relative humidity is
A. a measure of the amount of moisture in the air compared to saturation level.
B. a measure of the amount of moisture in the air compared to the air temperature.
C. the lowest temperature at which moisture forms on a steel surface. D. the highest
temperature at which moisture forms on a steel surface. - correct answer ✔✔ A. a measure of
the amount of moisture in the air compared to saturation level.
6. Galvanic corrosion occurs on which of the following substrates:
A. Concrete
B. Fiberglass Reinforced Plastic
C. Metal
D. Wood - correct answer ✔✔ C. Metal
7. When applying Thermal Spray Coatings the specification is most likely to reference:
,A. SSPC PA 2
B. NACE SP 0178
C. NACE SP 0188
D. SSPC-CS 23.00/AWS C2.23/NACE No. 12 - correct answer ✔✔ D. SSPC-CS 23.00/AWS
C2.23/NACE No. 12
8. What is the minimum recommended distance away from an edge that an inspector should
take a measurement with a dial-type magnetic pull-off Dry Film Thickness (DFT) gauge?
A. 1 cm (.39 inch)
B. 2.5 cm (1 inch)
C. 6.35 cm (2.5 inch)
D. 2.5 millimeters (.10 inch) - correct answer ✔✔ B. 2.5 cm (1 inch)
9. Polymerization is the process of:
A. Monomers telegraphing
B. Monomers joining together
C. All thermoplastic coatings
D. All organic coatings - correct answer ✔✔ B. Monomers joining together
10. An exposed area of the substrate or previous coat of a conductive coating material, often
caused by poor application technique is called
A. cracking.
B. sagging.
C. holiday.
D. checking. - correct answer ✔✔ C. holiday.
, 11. Checking is
A. an exposed area of the substrate or previous coat material, caused by poor application
technique.
B. a fine crack in the surface of a coating that rarely reaches the substrate
C. a very small hole in a coating caused when air or solvent is trapped in porous film and then
escapes.
D. surface breaks in the film that often result from grease or oil contamination and revel the
substrate. - correct answer ✔✔ B. a fine crack in the surface of a coating that rarely reaches the
substrate
12. Inspection documentation is important because:
A. It is the only deliverable item provided by the inspector
B. Owners use the documentation for a variety of purposes
C. a) only
D. a) & b) - correct answer ✔✔ B. Owners use the documentation for a variety of purposes
13. An inspectors personal log book should contain:
A. Subjective comments re ding the application team
B. Objective comments regarding the application work
C. No comments regarding the application team
D. The inspector's personal opinions of the application team - correct answer ✔✔ C. No
comments regarding the application team
