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1. Mark Gierke (25/20)
2. michael beitzel (24/20)
3. Dave Heyne (18/20)
4. Juan I. Ordinas (18/20)
5. Bill Gradisher (18/20)
6. Sid Stewart (17/20)
7. Brian Dove (17/20)
8. Douglas Steitz (16/20)
9. Doug Driscoll, Sr. (16/20)
10. Richard Williams (15/20)
11. Yasuhiro Karakawa (14/20)
12. Roland Peemans (14/20)
13. Destiny Johnson (14/20)
14. Luís Bonifácio (13/20)
15. Dirk Kuijken (13/20)
16. Mark Anater (13/20)
17. Alex Hoogesteger (11/20)
18. blair Nixon,Jr. (8/20)
19. robert torres (8/20)
20. John Maloney (8/20)
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?
To isolate the linings from moisture and oxygen. To improve appearance properties. To combat graffiti. None of these.
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Previous Quizzes from the Past Week
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.
THURSDAY, JULY 23, 2020 Fumes from aluminum and other metals and their alloys generated during thermal spraying are unpleasant to smell and could cause flu-like symptoms for hours or days. What is this condition called?
WEDNESDAY, JULY 22, 2020 True or false: In a recent article on PaintSquare, the author argues that abrasive recycling is effective only on large projects.
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