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Quiz Leaderboard: 2/28 - 3/30/2015    Sign in to track your quiz score! | Full Leaderboard

  • 1. Michael Beitzel (21/22 answered correctly)

  • 2. L. Steven Moore (21/22 answered correctly)

  • 3. Robin Hasak (21/22 answered correctly)

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

  • 5. Ronald Beebe (21/22 answered correctly)

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

  • 7. Volker Mellor (21/22 answered correctly)

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

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

  • 10. Robert Gantt (21/22 answered correctly)

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

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

  • 13. William Slabinski (20/22 answered correctly)

  • 14. Mark Allen (20/22 answered correctly)

  • 15. Adam Carter (20/22 answered correctly)

  • 16. Dave Heyne (20/22 answered correctly)

  • 17. John Triebe (20/22 answered correctly)

  • 18. Matt Burst (20/22 answered correctly)

  • 19. Peter Farrell (19/22 answered correctly)

  • 20. Bryon Beck (19/22 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?


More previous quizzes

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.


Bullard

The Next Generation
of Blasting

• Lightest
• Coolest
• Most Comfortable
• Most Dependable


Harsco
Find BLACK BEAUTY® Abrasives

Use our online tool to search by address, city or zip code to find where you can buy BLACK BEAUTY® abrasives. Or call us toll free: 1-888-733-3646


Minerals Research & Recovery

HIGH PERFORMANCE ABRASIVES


“Made in the USA!”

Why recycle waste from other countries? Go FASTER, CLEANER, at 1/3 THE COST with MR&R “All-American” Sharpshot®HP!!

WATCH THE VIDEO


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


KTA-Tator, Inc. - Corporate Office
KTA Online
Instrument Catalog

• Any Manufacturer
• Any Instrument
• Any Time
Visit www.ktagage.com
Or call 800-582-4243


Thermion Inc
Buy Back Program

We are offering $5,000
credit for your old Model
This drive system is
being discontinued by
the manufacturer.
More information at
thermioninc.com
877.884.3428


Blastox/The TDJ Group, Inc.
Blastox - One Step
Lead Abatement

Don't waste $$ on added labor steps with other methods. Don't mix, meter or apply at the job-site. Avoid strict hazardous waste rules.
Let your painters paint!


Armorthane
Polyurethane and Polyurea Sprayed-On Protection

Buy POLYURETHANE or POLYUREA coatings and spray equipment for years of proven chemical resistance, water- and weather-proofing, and structural improvements.

 
 
 
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