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Quiz Leaderboard: 3/22 - 4/21/2015    Sign in to track your quiz score! | Full Leaderboard

  • 1. Mark Allen (22/22 answered correctly)

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

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

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

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

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

  • 11. Charles Scalf (20/22 answered correctly)

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  • 18. James Albertoni (20/22 answered correctly)

  • 19. Robert Cloutier (19/22 answered correctly)

  • 20. Gustavo Vidal (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


International Paint LLC

International Paint Engineered Coatings

Learn about our solutions for:
  • Structural Steel
  • Piping & Equipment
  • Storage Tanks
  • Pressure Vessels
  • Secondary Containment


    SAFE Systems, Inc.
    Enduroguard -
    The Tough Cable
    for a Tough Industry.

    Reduce maintenance costs and down time, increase job site safety with Enduroguard Cable. Available exclusively from SAFE Systems. UL listed, flexible, abrasion resistant and cut resistant.


    AGC Chemicals
    LUMIFLON®Resins Featured on Famous Blue Bridge

    LUMIFLON based coatings can last up to 30 years without fading, offering a low-maintenance solution that retains color and gloss and can be field-applied


    Polyval Coatings
    Polyflex® Polyurea Linings

    Polyflex ™ new Polyurea Geotextile Membrane System has been specifically engineered to protect the environment in containment applications.
    www.polyflexlinings.com


    HoldTight Solutions Inc.
    NO FLASH RUST -
    NO CONTAMINANTS

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


    Safway Services
    One Source. Every Solution.

    The Safway Group is your source for multiservices. Painting, coating, insulation and more – all from the most trusted name in the industry.


    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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