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Quiz Leaderboard: 9/4 - 10/4/2015    Sign in to track your quiz score! | Full Leaderboard

  • 1. Doug Driscoll, Sr. (20/20 answered correctly)

  • 2. David Zuskin (20/20 answered correctly)

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

  • 4. Robin Hasak (19/20 answered correctly)

  • 5. Matt Burst (19/20 answered correctly)

  • 6. William Turcotte (19/20 answered correctly)

  • 7. Douglas Steitz (19/20 answered correctly)

  • 8. willem van Gent (19/20 answered correctly)

  • 9. Mark Gierke (19/20 answered correctly)

  • 10. Farooq M (19/20 answered correctly)

  • 11. Stephen Lipsham (18/20 answered correctly)

  • 12. David Danielson (18/20 answered correctly)

  • 13. Mark Allen (18/20 answered correctly)

  • 14. Mark Anater (18/20 answered correctly)

  • 15. Dave Heyne (18/20 answered correctly)

  • 16. Robert Cloutier (18/20 answered correctly)

  • 17. Paul Hunter (18/20 answered correctly)

  • 18. Bryon Beck (18/20 answered correctly)

  • 19. Brian McEwen (17/20 answered correctly)

  • 20. arieh calahorra (17/20 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

NLB Corporation
Water jet surface prep, high or low

See how quickly HydroPrep® tools do surface prep, with no containment needed. Choose automated Crawler for overhead, Vortex™ for floors, or handheld VertaJet™.

Axxiom Manufacturing
Revolutionary Units

By integrating Schmidt's Aftercoolers with our blast pots, these systems remove moisture from air and minimize equipment footprint on jobsite.
Call 1-800-231-2085

Atlantic Design, Inc.

to see what we did to this dust collector! ADI can increase the efficiency and life of your equipment! Any brand, for less than new! 866.Call.ADI

Abrasives Inc.
Need abrasives FAST?

Emergencies happen – who bails you out? One call to Abrasives Inc. and it's taken care of. Period. Sales support available 24/7.

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

Advanced Recycling Systems

Recycling Machines, Dust Collectors, Rapid Deployment units are time-tested and approved for the rugged industrial environment. Contact ARS today!

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!
Call 866-775-6226

CHLOR*RID International Inc.
Free Webinar

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



Download the free app for BLACK BEAUTY® Abrasives. Explore all the features from the palm of your hand.
Toll Free: 1-888-733-3646

Monti Tools, Inc.

Surface cleanliness of SSPC-10 | Anchor profile up to 4.7 mils | Removes corrosion & coatings | ATEX approved for zone 1 | | 832-623-7970

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