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Quiz Leaderboard: 6/27 - 7/27/2016    Sign in to track your quiz score! | Full Leaderboard

  • 1. Robin Hasak (18/19 answered correctly)

  • 2. willem van Gent (18/19 answered correctly)

  • 3. Mark Allen (18/19 answered correctly)

  • 4. Mark Gierke (18/19 answered correctly)

  • 5. Juan I. Ordinas (18/19 answered correctly)

  • 6. Stephen Lipsham (18/19 answered correctly)

  • 7. Paul Lebedev (18/19 answered correctly)

  • 8. Mark Anater (17/19 answered correctly)

  • 9. David Zuskin (17/19 answered correctly)

  • 10. Dave Heyne (17/19 answered correctly)

  • 11. Doug Driscoll, Sr. (17/19 answered correctly)

  • 12. Robert Cloutier (17/19 answered correctly)

  • 13. Michael Durbin (17/19 answered correctly)

  • 14. Michael Beitzel (17/19 answered correctly)

  • 15. L. Steven Moore (17/19 answered correctly)

  • 16. Bryon Beck (17/19 answered correctly)

  • 17. Adam Carter (16/19 answered correctly)

  • 18. Radu Scurtescu (16/19 answered correctly)

  • 19. Gunnar Ackx (15/19 answered correctly)

  • 20. arieh calahorra (15/19 answered correctly)


Wednesday, February 19, 2014

High-pressure, supplied-air respirators are given an Assigned Protection Factor of 25 by NIOSH. What does this 25 mean?

The wearer can be exposed to particulates of 25 microns or smaller.
The wearer can be exposed to breathable material above its OSHA Permissible Exposure Limit for 25 minutes before exiting the exposure zone for at least 10 minutes.
The wearer can be exposed to contaminants in a concentration of up to 25 times OSHA’s Permissible Exposure Limit.
None of these

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Previous Quizzes from the Past Week

Tuesday, February 18, 2014
True or false: With zinc-rich coatings on steel, the zinc becomes the anode in a galvanic cell and sacrifices itself to protect the cathode, the underlying steel.

Monday, February 17, 2014
True or false: A Bresle patch is used to treat dynamic cracks in concrete, especially in secondary containment structures around tanks.

Friday, February 14, 2014
True or false: Krebs units are units of elasticity of a paint.

Thursday, February 13, 2014
True or false: If a zinc-rich coating has an epoxy binder, it is classified as both an organic and an inorganic zinc-rich coating.

Tuesday, February 11, 2014
What happens to the condition of a steel substrate when waterjet cleaning is used to remove rust or existing coatings?


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able equipment rental
RENTALS | SALES | SERVICE | PARTS

Construction equipment, plus compressors up to 1,800 cfm of air power & a fleet of service vehicles providing repairs to customer owned fleets. 866-468-2666.
www.ableequipment.com


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.


Industrial Vacuum Equipment Corp.
Hurricane Vacuums
& Dust Collectors

Vacuum and dust collector hose, filters and related accessories.
IndustrialVacuum.com


Desco Mfg. Co., Inc.

Dust - Free Surface Prep
Made EASY!

Efficient-Fast clean/remove
Advanced Containment
Safe - Well Below OSHA
Yes! - Innovative Solutions!
DESCO Mfg.Co., Inc.
www.descomfg.com
800-337-2648


Bullard

The Next Generation
of Blasting

• Lightest
• Coolest
• Most Comfortable
• Most Dependable


Versaflex Inc.
Best ANSI/NSF 61.5 Approved Potable Water Polyurea

VersaFlex Polyurea Earns Highest ANSI/NSF 61.5 Rating for High Temp Service, Minimum Tank Size and Max Thickness. Watch this FREE Webinar Today! Call 800-321-0906


HoldTight Solutions Inc.
NO FLASH RUST - NO CONTAMINANTS

Our HoldTight®102 salt remover & flash rust
preventer prevents flash
rust by removing surface contaminants. Contact us
for your nearest distributor.
(800) 319.8802 sales@holdtight.com


Termarust Technologies
Termarust (HR CSA) Chemically Stops
Active Corrosion

Truss bridge treated in 2000 with Termarust's (HR CSA) field-proven rust mitigation system chemically stopped corrosion, crevice corrosion & pack rust.


PreTox Products - NexTec, Inc.
GOT LEAD? Specify Pretox System products

The ONLY Lead Stabilizer Compatible with All Paint Removal Methods. Works with all Blast Media: Grits | Recyclable Abrasives | CO2 | Water | Power Tools | Etc. Call Dave Steffen at 800.338.8296.

 
 
 
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