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Quiz Leaderboard: 10/30 - 11/29/2015    Sign in to track your quiz score! | Full Leaderboard

  • 1. Juan I. Ordinas (19/19 answered correctly)

  • 2. Farooq M (18/19 answered correctly)

  • 3. Mark Allen (18/19 answered correctly)

  • 4. Mark Gierke (18/19 answered correctly)

  • 5. Dave Heyne (18/19 answered correctly)

  • 6. Roland Peemans (18/19 answered correctly)

  • 7. Stephen Lipsham (18/19 answered correctly)

  • 8. Gustavo Vidal (18/19 answered correctly)

  • 9. Robert Cloutier (18/19 answered correctly)

  • 10. Matt Burst (18/19 answered correctly)

  • 11. William Turcotte (18/19 answered correctly)

  • 12. Shabbir Hussain Shah (18/19 answered correctly)

  • 13. Brian McEwen (18/19 answered correctly)

  • 14. Doug Driscoll, Sr. (18/19 answered correctly)

  • 15. David Zuskin (18/19 answered correctly)

  • 16. Gunnar Ackx (17/19 answered correctly)

  • 17. Douglas Steitz (17/19 answered correctly)

  • 18. Robin Hasak (17/19 answered correctly)

  • 19. Michael Beitzel (17/19 answered correctly)

  • 20. Bryon Beck (17/19 answered correctly)

Wednesday, January 30, 2013

What is the name of the thin, weak surface layer that can form on newly placed and finished concrete?


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Previous Quizzes from the Past Week

Tuesday, January 29, 2013
True or false: Some state highway departments have banned the use of silica sand for abrasive blasting.

Monday, January 28, 2013
SPC-VIS 1, Visual Standards for Blast Cleaned Steel, was initially the product of another standards-writing body. Which one?

Friday, January 25, 2013
True or false: Comparative data on the performance of various proprietary bridge coatings systems are developed and maintained by the International Bridge, Tunnel, and Turnpike Association.

Thursday, January 24, 2013
Anatase and rutile are mineral forms of what pigment?

Wednesday, January 23, 2013
Which of the following binder types is inorganic?

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