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Quiz Leaderboard: 5/28 - 6/27/2016    Sign in to track your quiz score! | Full Leaderboard

  • 1. Juan I. Ordinas (21/20 answered correctly)

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

  • 3. David Zuskin (19/20 answered correctly)

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

  • 5. John Triebe (19/20 answered correctly)

  • 6. Brian McEwen (19/20 answered correctly)

  • 7. Mark Allen (19/20 answered correctly)

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

  • 9. Stephen Lipsham (19/20 answered correctly)

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

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

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

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

  • 14. L. Steven Moore (18/20 answered correctly)

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

  • 16. Gunnar Ackx (18/20 answered correctly)

  • 17. thomas woods (18/20 answered correctly)

  • 18. Adam Carter (18/20 answered correctly)

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

  • 20. James Albertoni (17/20 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

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

Tools operate at levels well below OSHA limits for hazardous material removal; meet SP11 specifications when required and low vibration tools increase productivity.


Bullard

The Next Generation
of Blasting

• Lightest
• Coolest
• Most Comfortable
• Most Dependable


Park Derochie Coatings Ltd.
www.ParkDerochie.com

Coatings          Fireproofing
Sandblasting     Scaffolding
Metalizing           Insulation

• Shop & Field Services
• SSPC Certified
• NACE Inspectors on staff
• New Construction &
  Maintenance Programs


Novetas Solutions
Number 1 Crushed Glass Abrasive in America!

Manufactured from 100% Recycled Glass.
NO Crystalline Silica,
Beryllium & Arsenic
Great White Metal Finish!
4 plants on Navy QPL
Call us at 866-775-6226


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.


Covestro Deutschland
What keeps contractors one layer ahead when finishing their projects?

The answer: Pasquick®. Thanks to Pasquick®, one layer of coating is saved – resulting in faster workflows and earlier project finishing. Learn more.


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.


Detail Masters
Overspray Removal

We offer professional, turnkey service and unparalleled quality!
Our process can save hundreds— even thousands of dollars. It's fast, environmentally safe and 100% guaranteed.


Carlisle Fluid Technologies
Built for Tough Jobs

From Epoxies to Urethanes to other high solid coatings, the new Binks Airless 75 delivers a great finish using an ergonomic design. Visit binks.com for more information.


HoldTight Solutions Inc.
NO FLASH RUST -
NO CONTAMINANTS

Our HoldTight®102 salt remover & flash rust preventer prevents flash rust by removing surface contaminants. It has no equal; only wannabees.
Contact us for your
nearest distributor.
(800) 319.8802 sales@holdtight.com

 
 
 
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