Inspector Certification Study Guide and Practice Questions
1.You are the NACE Inspector on a tank lining project where a 50% solids epoxy tank lining is
being applied. After 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
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
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
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
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
6.Galvanic corrosion occurs on which of the following substrates:
A. Concrete
B. Fiberglass Reinforced Plastic
C. Metal
D. Wood - correct answer ✔✔ C
7.When applying Thermal Spray Coatings the specification is most likely to refence:
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
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
9.Polymerization is the process of:
A. Monomers telegraphing
B. Monomers joining together
C. All thermoplastic coatings
D. All organic coatings - correct answer ✔✔ B
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
11.Checking is
1.You are the NACE Inspector on a tank lining project where a 50% solids epoxy tank lining is
being applied. After 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
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
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
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
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
6.Galvanic corrosion occurs on which of the following substrates:
A. Concrete
B. Fiberglass Reinforced Plastic
C. Metal
D. Wood - correct answer ✔✔ C
7.When applying Thermal Spray Coatings the specification is most likely to refence:
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
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
9.Polymerization is the process of:
A. Monomers telegraphing
B. Monomers joining together
C. All thermoplastic coatings
D. All organic coatings - correct answer ✔✔ B
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
11.Checking is
