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1. Mark Gierke (23/22)
2. Sid Stewart (23/22)
3. Juan I. Ordinas (22/22)
4. michael beitzel (22/22)
5. Dave Heyne (22/22)
6. Douglas Steitz (22/22)
7. Doug Driscoll, Sr. (22/22)
8. Chuck Fite (21/22)
9. Lee Burke (21/22)
10. Brian Dove (21/22)
11. Pierpaolo Bonora (21/22)
12. Bill Gradisher (20/22)
13. Roland Peemans (19/22)
14. Destiny Johnson (18/22)
15. Yasuhiro Karakawa (17/22)
16. william farrell (16/22)
17. blair Nixon,Jr. (15/22)
18. David Cohen (13/22)
19. Alex Hoogesteger (13/22)
20. Dave Buchanan (12/22)
MONDAY, AUGUST 3, 2020
True or false: The “cold wall effect” produces osmotic blistering.
True. False.
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Previous Quizzes from the Past Week
FRIDAY, JULY 31, 2020 Solvent cleaning is required before blasting to what degree of rigor?
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WEDNESDAY, JULY 29, 2020 True or false: When the blast profile on a steel substrate is lower than the specification requires, this problem can be easily remediated to meet higher specification requirements by using larger abrasive media and reblasting the under-specification surface.
TUESDAY, JULY 28, 2020 True or false: Increasing carbonation of concrete can increase the passivation of reinforcing steel.
FRIDAY, JULY 24, 2020 True or false: Both zinc-rich coatings and potassium silicate paints provide sacrificial protection to steel substrates.
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