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Wednesday, November 23, 2011

High pressure, supplied-air respirators used for abrasive blasting normally have an Assigned Protection Factor of 25. What does this NIOSH rating mean?

The wearer is protected from dust particles of 25 microns or smaller.
The operator can work in environments with contaminants present at 25 times OSHA's permissible exposure limit.
The wearer can be exposed to a hazardous environment for up to 25 minutes.
None of these.

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Previous Quizzes from the Past Week

Tuesday, November 22, 2011
What ASTM Committee deals with nuclear coatings?

Monday, November 21, 2011
What infestation has recently caused the fouling of intake structures at hydroelectric facilities in the Southwest?

Friday, November 18, 2011
What are you seeing on this steel surface magnified 100 times?

Wednesday, November 16, 2011
Manufacturers of supplied air respirators must acquire approval for these products from what agency?

Tuesday, November 15, 2011
True or false: Coating manufacturers no longer recommend coal tar epoxy coating systems.

More previous quizzes

Bullard

The Next Generation
of Blasting

• Lighest
• Coolest
• Most Comfortable
• Most Dependable

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.

Denso North America Inc.
Denso SeaShield
Marine Systems
A full range of steel, concrete and timber pile rehabilitation systems including petrolatum systems, fiberglass jackets, epoxy grouts and many other product lines.
Call 1-281-821-3355 or Visit densona.com

Green Diamond Sand Products
Green Diamond is the “Chosen”one.
Your  source for  high quality specialty sand. Superior Blasting Efficiency and an Excellent Surface profile. Available for on-site assistance.

LS Industries
LS Blasters: Optimum Steel Cleaning Efficiency
Simplify surface prep with the precise shot control of LS Blasters. Our blast technology delivers optimum coverage and finish. 800-533-8008

DeLong Equipment
Delong Equipment Co.
Blast Equipment Products
"The Delong Equipment Company .….supplying abrasive blast equipment, parts and abrasives to blasting contractors, manufacturers and industry for over 45 years”

MMLJ
Superfast Dustless Abrasive Blasting - Watch Video
Dustless Blasting creates no dust plume so others can work nearby unaffected. Maximize Productivity! Watch our numerous YouTube videos to learn more.

 
 
 
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