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Quiz Leaderboard: 2/17 - 3/19/2018    Sign in to track your quiz score! | Full Leaderboard

  • 1. willem van Gent (20/20 answered correctly)

  • 2. Mark Allen (20/20 answered correctly)

  • 3. Robert Cloutier (20/20 answered correctly)

  • 4. Doug Driscoll, Sr. (19/20 answered correctly)

  • 5. Juan I. Ordinas (19/20 answered correctly)

  • 6. Wes Carter (19/20 answered correctly)

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

  • 10. Michael Beitzel (18/20 answered correctly)

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

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  • 13. Douglas Steitz (18/20 answered correctly)

  • 14. Glenn D. Hauser (18/20 answered correctly)

  • 15. Ron Truman (18/20 answered correctly)

  • 16. Roland Peemans (18/20 answered correctly)

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

  • 18. Dustin Smith (17/20 answered correctly)

  • 19. Jerrod (Jake) McCann (17/20 answered correctly)

  • 20. Dave Heyne (17/20 answered correctly)

In abrasive blasting work, how small do dust particles have to be to make them respirable and therefore dangerous to health?

10 microns or less
100 microns or less
500 microns or less
1 micron or less

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Previous Quizzes from the Past Week

Monday, August 29, 2011
Which of the following is not an exclusively marine exhibition?

Friday, August 26, 2011
Which of the following range of readings would you most likely see on a needle pressure gage inserted behind the nozzle of a blast hose?

Thursday, August 25, 2011
Which of the following solvents is not a hydrocarbon type?

Wednesday, August 24, 2011
What is the most commonly used material for thermal spraying when it is used for corrosion protection?

Tuesday, August 23, 2011
What is the source of the specification for Grade D breathing air?

More previous quizzes
Bullard Made in the USA

Industrial Vacuum Equipment Corp.
Hurricane Vacuums
& Dust Collectors
Vacuum and dust collector hose, filters and related accessories.

Tarps manufacturing, Inc.
QUALITY MADE IN AMERICA —Available near you!
CLICK to get a behind-the-scenes look at how Tarps Manufacturing makes the highest-quality tarps right here in the USA — available nationwide.

SABRE Autonomous Solutions
Introducing the ALPHA1 Blasting Robot
Once installed and commissioned – simply

Novatek Corporation
Dustless Coatings Removal
Novatek Corporation, Dustless Coatings Removal Strip, clean and profile all dust free! Comply with new lead standards. Contact today: (866) 563-7800

Graco Inc.
Graco EcoQuip 2: Experience the Difference
While others claim their equipment is the same, none of them compare to Graco’s EcoQuip 2™ Vapor Abrasive® blasting line. Visit to learn more.

Blastox/The TDJ Group, Inc.
Blastox® - One Step Lead Abatement
Sandblast additive delivered to jobsite pre-blended to eliminate hazardous abrasive wastes. Why mix, meter or apply at the job-site? Blast with ease and
Let your painters paint!

Absolute Equipment/Grand Rental Station
We have Tier 4 Equipment including Air Compressors & Generators for Sale & Rent! Your job may now require Tier-4. or Call 412-931-6655.

CHLOR*RID International Inc.
Companies that invest in corrosion control use CHLOR RID products
  • Soluble salt removal liquid
  • Test kits to verify contamination levels
  • Surface passivation to hold the blast
INFO@CHLOR-RID.COM 800.422.3217

US Minerals
Hit Harder. Clean Faster.
Black Diamond abrasive products are the toughest, most effective blasting media and supply the superior power you need to get any job done.


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