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1. Mark Gierke (25/31)
2. Luis Ruiz (25/31)
3. michael beitzel (22/31)
4. Marco Fabio Ramenzoni (22/31)
5. Brandy Hadden (22/31)
6. Sid Stewart (21/31)
7. Bill Gradisher (21/31)
8. Bryon Beck (21/31)
9. Mark Edmonds (21/31)
10. Brian Dove (21/31)
11. Juan I. Ordinas (20/31)
12. Dave Heyne (20/31)
13. Doug Driscoll, Sr. (20/31)
14. Roland Peemans (19/31)
15. Lee Burke (19/31)
16. Mark Allen (18/31)
17. Yasuhiro Karakawa (18/31)
18. Neil Surplice (16/31)
19. Dirk Kuijken (16/31)
20. Thomas Guzek (15/31)
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?
THURSDAY, JULY 30, 2020 Why is a gel coat consisting of paraffin wax in styrene often used over newly applied polyester and vinyl ester linings?
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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