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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)

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  • 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)

Thursday, January 9, 2014

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

100 microns or less
50 microns or less
10 microns or less
500 microns or less

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Previous Quizzes from the Past Week

Wednesday, January 8, 2014
True or false: Flake-filled, novolac vinyl esters have been successfully used on scrubber modules, exit ducts and stacks in fossil-fueled power plants.

Tuesday, January 7, 2014
What term is used to describe the temperature at which the non-crystalline portion of a polymer is transformed from a rubbery material to a brittle, glass-like material?

Monday, January 6, 2014
True or false: The speed of abrasive exiting a venture nozzle in an efficient air abrasive blasting system is typically about 200 mph.

Friday, January 3, 2014
In a study of shop-applied topcoats reported in JPCL, which generic type achieved a hardened film that resisted handling damage at lower temperatures (50°F) and higher humidity (75% RH) in the shortest amount of time?

Thursday, January 2, 2014
True or false: The main reason for using citric acid to etch concrete is to create a profile coarser than that created by other etching agents.

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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!

Atlantic Design, Inc.

See our website for features of our best seller, the ADI 3500CFM 4-Pot Blast Vacuum Recycler. A smaller package with all the ADI power you need. 866.Call.ADI

Clemco Industries Corp.
Powerful Protection in a Small Package

Mounts inside blast helmet, alerts operator to dangerous breathing-air condition by audible, visual, and vibratory alarms. Easily calibrated, battery operated.

SABRE Autonomous Solutions
Safety, Productivity, Quality. Robotic Blasting

Learn how this simple to use, field deployed, automatic robot is eliminating hazards in major confined, cluttered and complex surface preparation projects.

Abrasives Inc.
See the difference immediately Black Magic®

Quality blast abrasive goes farther. Use Black Magic® The Tough Stuff coal slag. Cleaner, consistent, less dust. Order yours today!
Abrasives Inc. 800-584-7524

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

Axxiom Manufacturing
Schmidt Improves
Portable Blasters

Schmidt's VBS System reduces blowdown intensity, prevents exhaust from damaging floor while using no screens or filters. Reduces sound; Increasing safety.
Call 1-800-231-2085

CHLOR*RID International Inc.
Free Webinar

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


Commercial Sand Blasting & Painting Ltd.
Reliable Service & Superior Workmanship

We’re ready to meet any of your protective coating and lining needs. We can work on your site or in our facilities, with large shops (60,000 sq ft), 40 acres of yard space, and cranes and forklifts on site.

Technology Publishing

The Technology Publishing Network

The Journal of Protective Coatings & Linings (JPCL) PaintSquare
Durability + Design Paint BidTracker

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