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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

Bullard

The Next Generation
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ABKaelin, LLC
Quality is our bottom line
Services include:
• Environmental, Health &
  Safety
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  and Auditing
• SSPC C3/C5 and other
  Training
• Coatings
• Design/Construction
See our website at abkaelin.com or contact us today abkaelin@comcast.net

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.

World of Concrete
World of Concrete 2015
Exhibits: Feb. 3-6 2015 Seminars: Feb. 2-6 2015 Las Vegas Convention Center Las Vegas, NV USA

Dampney Co., Inc.
Rubber In a can!
Rubberized Spray in a
Handy Aerosol Can
• Stays flexible
• Seals off moisture penetration
• Non sagging formulation
• Will not crack, chip or peel
• Apply to wet and dry surfaces
• Paintable

Polygon
POLYGON - Temporary Humidity Control
We specialize in innovative climate control solutions for industrial painting, utilizing alternative energy sources and combining desiccants with heating or cooling.

Corrosion Probe, Inc.
From Detection to Correction
Corrosion Probe, Inc. has the Most Concrete Coatings Experience and Expertise. Contact us today at
860-767-4402, www.cpiengineering.com

 
 
 
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