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Quiz Leaderboard: 6/1 - 7/1/2016    Sign in to track your quiz score! | Full Leaderboard

  • 1. Juan I. Ordinas (22/23 answered correctly)

  • 2. Stephen Lipsham (21/23 answered correctly)

  • 3. Mark Gierke (21/23 answered correctly)

  • 4. Robert Cloutier (21/23 answered correctly)

  • 5. Brian McEwen (21/23 answered correctly)

  • 6. Doug Driscoll, Sr. (21/23 answered correctly)

  • 7. David Zuskin (21/23 answered correctly)

  • 8. willem van Gent (21/23 answered correctly)

  • 9. Adam Carter (20/23 answered correctly)

  • 10. Gunnar Ackx (20/23 answered correctly)

  • 11. thomas woods (20/23 answered correctly)

  • 12. John Triebe (20/23 answered correctly)

  • 13. Robin Hasak (20/23 answered correctly)

  • 14. Michael Beitzel (20/23 answered correctly)

  • 15. L. Steven Moore (20/23 answered correctly)

  • 16. Bryon Beck (20/23 answered correctly)

  • 17. Mark Allen (20/23 answered correctly)

  • 18. Mark Anater (20/23 answered correctly)

  • 19. Paul Lebedev (20/23 answered correctly)

  • 20. Roland Peemans (19/23 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

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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.


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.


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Power, Precision, Reliability. Titan PowrCoat Series.

PREMIUM COMES STANDARD. Power, precision and reliability are built into each unit including Severe Service which means twice the life with no maintenance. For maximum uptime, durability and ease of use, nothing performs like the PowrCoat™ from Titan.


Desco Mfg. Co., Inc.
DUST-FREE SOLUTIONS For Lead Abatement

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Novetas Solutions
Safer Abrasive! 100% Recycled Glass!

NO Free Silica, Beryllium or other human Toxins! Great White Metal Finish and safer than Slags!
Call us at 866-775- 6226


Specialty Products, Inc. (SPI)
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Vector Technologies Ltd.
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Modern Safety Techniques
Modern Safety Techniques

With our unique LTCat, we can help to provide clean, safe breathing air to your workers. Take a look at our Breathing Air Systems, we supply at least twice as much charcoal as our competitors! Modern


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

 
 
 
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