NACE CIP Level 2 UPDATED ACTUAL Questions and CORRECT Answers
1. WJ-1 (visual cleanliness) is ISO SA 3
comparable to which abra-
sive blast cleaning stan-
dard?
2. Robotic water jetting in- *attaches using vacuum, cables or magnets
cludes *Vertical, Horizontal or overhead surface
*Controlled by single operator
*Collects in excess of 95% of the water, removed coatings and rust
(waste generated)
3. A typical waterjetting team *Nozzle operator
consists of? *Pump Operator
*Additional operators or workers as required
4. Considerations with Back *Causes Fatique
Thrust are: *Should be no more than 1/3 of operators body weight
5. Safety considerations be- *work area is properly barricaded
fore waterjetting are *Electrical equipment protected from water
*Electrical connections are not allowed to sit in water
*All fittings and hoses are in good condition / proper pressure
rating
*Nozzles are free of obstructions
*System is flushed clean and air removed
*The dump system and all control systems are
operational
*Proper LockOut/ TagOut provisions in place
*Confined entry requirements addressed
6. Waterjetting advantages *Worker Safety
include? *Worker air quality
*Less stringent respiratory requirements
, *No dust or contamination or clean up
*Environmentally friendly
*Requires less cleanup
7. Waterjetting disadvantages *Waterjetting does not leave a surface profile
include: *Equipment is very expensive
*Danger of Ultra High Pressure hose breaking
*Danger of injection into the skin or serious cuts
*Collecting and disposing of the contaminated
Water
*Proficient operators needed
8. Cause of Blistering on coat- Oil, moisture and / or grease
ings?
9. Saturation point drops as? Air is compressed, making air wetter
10. Check compressor for wa- Moisture traps, inter cooler and aftercooler
ter contamination at?
11. Common Hot Dipped (HD) Cracking, peeling, bare spots, lumps, Blisters, flux inclusions, ash
inspection defects inclusions and dross inclusions
12. Describe what a Tooke *Destructive test instrument
Gage is and some models *Used on non-magnetic or nonferrous
Substrate
*has illuminated 50x microscope
*good from 0-100 mils
*Groove cut through coating
*Models are Mark II and Mark III
13. *Abrasive starved wheel or
*Flooded or choked wheel
, Centrifugal blast machine
showing low amperage
could indicate?
14. How to rectify water conta- *ensure cooling water is turned on
mination: *Ensure drains are not plugged
*last resort is to consider installing larger or
Additional moisture traps
15. Air oxidization enters the After solvent evaporates
coating when?
16. What is the curing method Air drying
for alkyds and epoxy ester?
17. What is the NACE / SSPC NACE 6 / SSPC-SP13
standard for Surface Prep
by Chemical or thermal
means for concrete?
18. What are impressed cur- *Rectified Commercial Power
rent power sources *Solar Cells
*Generators
*Fuel cells
*Wind Powered Cells
*Thermo electric
19. What is the purpose of de- remove moisture to lower dew point
humidification?
20. Electronic hygrometers *Relative humidity
check *Air temperature
*Dew Point temperature
, 21. How do you reduce the rela- *Increase surface temperature
tive humidity of the bound- *Reduce moisture by dehumidification
ary layer?
22. Equipment used for dehu- *Refrigeration
midification? *Desiccant
23. Describe passivation and *formation of protective oxide film
what it does? * reduces chemical activity
*reduce the ability to corrode
24. What are the effects of oxy- Oxygen increases corrosion
gen on corrosion?
25. What are the effects of tem- Higer temperature increases corrosion
perature on corrosion?
26. What are the effects of They increase the electrolyte eflciency, therefore increasing cor-
chemical salts on corro- rosion
sion?
27. What are the effects of Hu- A wetter environment means more corrosion is likely to occur
midity on corrosion?
28. What are the effects of Pol- Acid rain, chemical byproducts and chlorides all promote corro-
lutants and Acid gases on sion.
corrosion?
29. What are the causes for pin- *Coating overspray
holes? *solvent entrapment
*porosity in previously applied coat
*incorrect spray viscosity
*coating on hot surface
1. WJ-1 (visual cleanliness) is ISO SA 3
comparable to which abra-
sive blast cleaning stan-
dard?
2. Robotic water jetting in- *attaches using vacuum, cables or magnets
cludes *Vertical, Horizontal or overhead surface
*Controlled by single operator
*Collects in excess of 95% of the water, removed coatings and rust
(waste generated)
3. A typical waterjetting team *Nozzle operator
consists of? *Pump Operator
*Additional operators or workers as required
4. Considerations with Back *Causes Fatique
Thrust are: *Should be no more than 1/3 of operators body weight
5. Safety considerations be- *work area is properly barricaded
fore waterjetting are *Electrical equipment protected from water
*Electrical connections are not allowed to sit in water
*All fittings and hoses are in good condition / proper pressure
rating
*Nozzles are free of obstructions
*System is flushed clean and air removed
*The dump system and all control systems are
operational
*Proper LockOut/ TagOut provisions in place
*Confined entry requirements addressed
6. Waterjetting advantages *Worker Safety
include? *Worker air quality
*Less stringent respiratory requirements
, *No dust or contamination or clean up
*Environmentally friendly
*Requires less cleanup
7. Waterjetting disadvantages *Waterjetting does not leave a surface profile
include: *Equipment is very expensive
*Danger of Ultra High Pressure hose breaking
*Danger of injection into the skin or serious cuts
*Collecting and disposing of the contaminated
Water
*Proficient operators needed
8. Cause of Blistering on coat- Oil, moisture and / or grease
ings?
9. Saturation point drops as? Air is compressed, making air wetter
10. Check compressor for wa- Moisture traps, inter cooler and aftercooler
ter contamination at?
11. Common Hot Dipped (HD) Cracking, peeling, bare spots, lumps, Blisters, flux inclusions, ash
inspection defects inclusions and dross inclusions
12. Describe what a Tooke *Destructive test instrument
Gage is and some models *Used on non-magnetic or nonferrous
Substrate
*has illuminated 50x microscope
*good from 0-100 mils
*Groove cut through coating
*Models are Mark II and Mark III
13. *Abrasive starved wheel or
*Flooded or choked wheel
, Centrifugal blast machine
showing low amperage
could indicate?
14. How to rectify water conta- *ensure cooling water is turned on
mination: *Ensure drains are not plugged
*last resort is to consider installing larger or
Additional moisture traps
15. Air oxidization enters the After solvent evaporates
coating when?
16. What is the curing method Air drying
for alkyds and epoxy ester?
17. What is the NACE / SSPC NACE 6 / SSPC-SP13
standard for Surface Prep
by Chemical or thermal
means for concrete?
18. What are impressed cur- *Rectified Commercial Power
rent power sources *Solar Cells
*Generators
*Fuel cells
*Wind Powered Cells
*Thermo electric
19. What is the purpose of de- remove moisture to lower dew point
humidification?
20. Electronic hygrometers *Relative humidity
check *Air temperature
*Dew Point temperature
, 21. How do you reduce the rela- *Increase surface temperature
tive humidity of the bound- *Reduce moisture by dehumidification
ary layer?
22. Equipment used for dehu- *Refrigeration
midification? *Desiccant
23. Describe passivation and *formation of protective oxide film
what it does? * reduces chemical activity
*reduce the ability to corrode
24. What are the effects of oxy- Oxygen increases corrosion
gen on corrosion?
25. What are the effects of tem- Higer temperature increases corrosion
perature on corrosion?
26. What are the effects of They increase the electrolyte eflciency, therefore increasing cor-
chemical salts on corro- rosion
sion?
27. What are the effects of Hu- A wetter environment means more corrosion is likely to occur
midity on corrosion?
28. What are the effects of Pol- Acid rain, chemical byproducts and chlorides all promote corro-
lutants and Acid gases on sion.
corrosion?
29. What are the causes for pin- *Coating overspray
holes? *solvent entrapment
*porosity in previously applied coat
*incorrect spray viscosity
*coating on hot surface
