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CA Water Service Group Quiz 1

By Brian Ferris / September 19, 2024

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Question 1 of 25

1. Question
Corrosion can only occur when the following elements are present:
- An anode and cathode and a catalyst
- A cathode, an anode, and a metallic pathway
- An anode, cathode, metallic pathway, and an electrolyte
- An electrolyte and silver
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Question 2 of 25

2. Question
Corrosion occurs at the:
- Anode
- Cathode
- The connection between the anode and cathode
- Electrolyte
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Question 3 of 25

3. Question
The anode, cathode, electrolyte and connection between the anode and cathode is known as:
- galvanic corrosion
- inhibition
- a corrosion cell
- galvanic protection
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Question 4 of 25

4. Question
The surface of carbon steel already contains three elements needed for corrosion; the missing element is:
- the anode
- the cathode
- the metallic pathway
- the electrolyte
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Question 5 of 25

5. Question
Convert 350 microns to mils
- 8,750 mils
- 140 mils
- 14 mils
- 35 mils
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Question 6 of 25

6. Question
Why is the removal of mill scale from carbon steel important?
- A. It cracks and flakes from the steel once exposed to thermal cycles
- B. It is cathodic to steel
- C. It may interfere with the bond of a coating system
- D. All of the above
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Question 7 of 25

7. Question
An inspector representing California Water Service Group is fulfilling the role of a:
- A. Quality Assurance Inspector
- B. Quality Control Inspector
- C. Foreman
- D. General Contractor
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Question 8 of 25

8. Question
Which of the following organizations prepares test methods but does not provide acceptance criteria?
- A. SSPC: Society for Protective Coatings
- B. OSHA: Occupational Safety & Health Administration
- C. EPA: Environmental Protection Agency
- D. ASTM: American Society for Testing and Materials
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Question 9 of 25

9. Question
The acceptance criterion for surface profile depth is established by:
- A. NACE SP02-87
- B. The specification
- C. ASTM D4417
- D. The abrasive
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Question 10 of 25

10. Question
The depth of an anchor pattern or surface profile is primarily determined by the:
- A. Shape of the abrasive
- B. Hardness of the abrasive
- C. Size of the abrasive
- D. Type of abrasive (expendable verses recyclable)
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Question 11 of 25

11. Question
Grease and oil left on the surface of a substrate can:
- A. Interfere with the adhesion of the applied coating
- B. Be driven into the substrate by the abrasive
- C. Cause a defect in the coating known as “fisheyes”
- D. All of the above
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Question 12 of 25

12. Question
According to ASTM D4417, if the replica tape method is used to measure surface profile, how many readings are obtained per area?
- A. The number of measurements is up to the inspector
- B. Ten (10)
- C. Two (2)
- D. One (1)
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Question 13 of 25

13. Question
Which of the following is an “indirect requirement” of the SSPC surface cleanliness standards?
- A. SSPC SP11, “Power Tool Cleaning to Bare Metal”
- B. SSPC SP10, “Near-white Metal Blast Cleaning”
- C. SSPC SP1, “Solvent Cleaning”
- D. SSPC PA 17, “Procedure for Determining Conformance to Surface Profile Requirements”
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Question 14 of 25

14. Question
SSPC SP11, “Power Tool Cleaning to Bare Metal:”
- A. Has no surface profile requirement
- B. Requires a minimum 1 mil profile be etched into the steel
- C. Requires only the removal of all loosely adhering mill scale, rust, and paint
- D. Allows materials to remain in the pits if the steel is pitted
- E. Answers B and D
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Question 15 of 25

15. Question
A “Near-white Metal Blast” or SSPC-SP10, allows __________to remain on the surface.
- A. No rust, no mill scale, no paint and 5% stains
- B. No rust, no mill scale, 5% paint, and no stains
- C. No rust, no mill scale, no old paint, and 33% stains
- D. No rust, no mill scale, no paint, and no stains
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Question 16 of 25

16. Question
Prior to final surface preparation, the most important relationship to assess when measuring and recording ambient conditions is:
- A. The relationship between the air temperature and the surface temperature
- B. The relationship between the surface temperature and the dew point temperature
- C. The relationship between the relative humidity and the air temperature
- D. The relationship between the relative humidity and the dew point temperature
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Question 17 of 25

17. Question
If the compressed air used during abrasive blast cleaning contains oil or water, it can:
- A. Decrease the air pressure
- B. Contaminate the surface
- C. Increase the velocity of the flowing abrasive
- D. Wear the blast nozzle more rapidly
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Question 18 of 25

18. Question
The photographic guides developed by SSPC to aid in the visual assessment of surface cleanliness were designed to be used:
- A. With the aid of a laboratory microscope
- B. With the aid of hand-held magnification
- C. With the unaided eye or with corrected vision
- D. In conjunction with surface profile measurement gages
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Question 19 of 25

19. Question
Surface profile or the anchor pattern:
- A. Increases the surface of the steel
- B. Promotes the adhesion of the coating
- C. Is the maximum peak-to-valley depth generated by abrasive blast cleaning or power tools
- D. All of the above
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Question 20 of 25

20. Question
A “Commercial Blast” or SSPC-SP6, allows __________to remain on the surface.
- A. No rust, no mill scale, no paint and up to 5% stains
- B. No rust, no mill scale, 5% paint, and no stains
- C. No rust, no mill scale, no old paint, and up to 33% stains
- D. No rust, no mill scale, no paint, and no stains
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Question 21 of 25

21. Question
All of the following can be used to determine the surface profile on concrete except
- A. Testex replica tape
- B. Depth micrometer
- C. ICRI CSP placards
- D. None of these methods can be used on concrete
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Question 22 of 25

22. Question
SSPC-SP7, Brush-off Blast Cleaning:
- A. Allows loose mill scale, rust and paint to remain
- B. Allows tight mill scale, rust or paint to remain
- C. Requires removal of grease & oil contamination
- D. Answers B & C
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Question 23 of 25

23. Question
Which of the following tests are invoked by all three of the SSPC Abrasive Specifications (AB1, AB2 and AB3)?
- A. Abrasive size
- B. Abrasive cleanliness
- C. Non-abrasive residue
- D. Lead content
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Question 24 of 25

24. Question
If Testex Coarse replica tape is used to measure the surface profile and the reading is between 1.5-2.5 mils, what must be done?
- A. Record the reading and move to the next area
- B. Take a second reading with X-Coarse Tape
- C. Take a second reading with Coarse Tape in a different area and average the two
- D. Discard the reading and re-measure using the X-Coarse tape.
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Question 25 of 25

25. Question
The Testex micrometer was set on “0.” When the tape was inserted, the micrometer read 4.6 mils. The actual surface profile is:
- A. 2.6 mils
- B. 4.6 mils
- C. Less than 1 mil
- D. Greater than 4.6 mils
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