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Quiz Leaderboard: 10/27 - 11/26/2015    Sign in to track your quiz score! | Full Leaderboard

  • 1. Robert Cloutier (21/22 answered correctly)

  • 2. Matt Burst (21/22 answered correctly)

  • 3. William Turcotte (21/22 answered correctly)

  • 4. Shabbir Hussain Shah (21/22 answered correctly)

  • 5. Brian McEwen (21/22 answered correctly)

  • 6. Doug Driscoll, Sr. (21/22 answered correctly)

  • 7. David Zuskin (21/22 answered correctly)

  • 8. Dave Heyne (21/22 answered correctly)

  • 9. Mark Allen (21/22 answered correctly)

  • 10. Mark Gierke (21/22 answered correctly)

  • 11. Juan I. Ordinas (21/22 answered correctly)

  • 12. Farooq M (21/22 answered correctly)

  • 13. Roland Peemans (21/22 answered correctly)

  • 14. Stephen Lipsham (21/22 answered correctly)

  • 15. Gustavo Vidal (21/22 answered correctly)

  • 16. Larry Zacharias (20/22 answered correctly)

  • 17. Douglas Steitz (20/22 answered correctly)

  • 18. Robin Hasak (20/22 answered correctly)

  • 19. Michael Beitzel (20/22 answered correctly)

  • 20. Bryon Beck (20/22 answered correctly)

Tuesday, November 29, 2011

True or false: Use of crystalline silica sand has now been banned from use as a blasting abrasive in the United States.


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Previous Quizzes from the Past Week

Monday, November 28, 2011
What is the main purpose of lithium silicate in the diamond polishing of concrete?

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?

More previous quizzes

Atlantic Design, Inc.

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NLB Corporation
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Advanced Recycling Systems

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CHLOR*RID International Inc.
Free Webinar

Learn about soluble salts, along with a discussion on allowable levels.
More information at,


Novetas Solutions
Number 1 Crushed Glass Abrasive in America!

6 NEW plants coast to coast! Safe for environment, 100% recycled glass. White Metal Finish! No unsafe toxins like Beryllium & Arsenic!
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Find BLACK BEAUTY® Abrasives

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Abrasives Inc.
Check our Prices for Blast Abrasives

Faced with higher abrasive costs? We invite you to call & check our rates on Black Magic® coal slag and other quality blast materials. Abrasives Inc. 800-584-7524

Montipower, Inc.
The MBX Bristle Blaster

Get a 2.7 to 3.3 mil profile and a Near White Metal Clean. For info visit or call 877 629-8777

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