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Quiz Leaderboard: 10/25 - 11/24/2015    Sign in to track your quiz score! | Full Leaderboard

  • 1. Juan I. Ordinas (23/23 answered correctly)

  • 2. Roland Peemans (22/23 answered correctly)

  • 3. Stephen Lipsham (22/23 answered correctly)

  • 4. Gustavo Vidal (22/23 answered correctly)

  • 5. David Zuskin (22/23 answered correctly)

  • 6. Mark Allen (22/23 answered correctly)

  • 7. Mark Gierke (22/23 answered correctly)

  • 8. Michael Beitzel (22/23 answered correctly)

  • 9. Robert Cloutier (22/23 answered correctly)

  • 10. Matt Burst (22/23 answered correctly)

  • 11. William Turcotte (22/23 answered correctly)

  • 12. Brian McEwen (22/23 answered correctly)

  • 13. Doug Driscoll, Sr. (22/23 answered correctly)

  • 14. Douglas Steitz (21/23 answered correctly)

  • 15. Shabbir Hussain Shah (21/23 answered correctly)

  • 16. Gunnar Ackx (21/23 answered correctly)

  • 17. arieh calahorra (21/23 answered correctly)

  • 18. Robin Hasak (21/23 answered correctly)

  • 19. Bryon Beck (21/23 answered correctly)

  • 20. Mark Anater (21/23 answered correctly)

Monday, November 28, 2011

What is the main purpose of lithium silicate in the diamond polishing of concrete?

To densify the concrete
To lubricate the grinding tools
To stain the concrete
To dye the concrete

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Previous Quizzes from the Past Week

Wednesday, November 23, 2011
High pressure, supplied-air respirators used for abrasive blasting normally have an Assigned Protection Factor of 25. What does this NIOSH rating mean?

Tuesday, November 22, 2011
What ASTM Committee deals with nuclear coatings?

Monday, November 21, 2011
What infestation has recently caused the fouling of intake structures at hydroelectric facilities in the Southwest?

Friday, November 18, 2011
What are you seeing on this steel surface magnified 100 times?

Wednesday, November 16, 2011
Manufacturers of supplied air respirators must acquire approval for these products from what agency?

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