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Thursday, January 9, 2014

In abrasive blasting work, how small do dust particles have to be to make them respirable?

100 microns or less
50 microns or less
10 microns or less
500 microns or less

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Previous Quizzes from the Past Week

Wednesday, January 8, 2014
True or false: Flake-filled, novolac vinyl esters have been successfully used on scrubber modules, exit ducts and stacks in fossil-fueled power plants.

Tuesday, January 7, 2014
What term is used to describe the temperature at which the non-crystalline portion of a polymer is transformed from a rubbery material to a brittle, glass-like material?

Monday, January 6, 2014
True or false: The speed of abrasive exiting a venture nozzle in an efficient air abrasive blasting system is typically about 200 mph.

Friday, January 3, 2014
In a study of shop-applied topcoats reported in JPCL, which generic type achieved a hardened film that resisted handling damage at lower temperatures (50°F) and higher humidity (75% RH) in the shortest amount of time?

Thursday, January 2, 2014
True or false: The main reason for using citric acid to etch concrete is to create a profile coarser than that created by other etching agents.


More previous quizzes

Atlantic Design, Inc.
MORE THAN JUST A SALES PITCH!

Simplicity! Dependability! Safety! We’ve built these features into every cleverly engineered inch of our newest models. It’s all there. 866.Call.ADI


Montipower, Inc.
The MBX Bristle Blaster

Get a 2.7 to 3.3 mil profile and a Near White Metal Clean. For info visit www.mbxit.com or call 877 629-8777


Graco Inc.
Eco-friendly surface prep blasting equipment

EcoQuip blast equipment adds a fine water mist during the spraying process for less dust. Less media consumption. Less cleanup. Easy to use. Call 877.326.7847


Harsco
BLACK BEAUTY® App

Download the free app for BLACK BEAUTY® Abrasives. Explore all the features from the palm of your hand.
Toll Free: 1-888-733-3646


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.


Advanced Recycling Systems
ADVANCED RECYCLING SYSTEMS (ARS)

Recycling Machines, Dust Collectors, Rapid Deployment units are time-tested and approved for the rugged industrial environment. Contact ARS today!
(330)536-8210


Abrasives Inc.
Check our Prices for Blast Abrasives

Faced with higher abrasive costs? We invite you to call & check our rates on Black Magic® coal slag and other quality blast materials. Abrasives Inc. 800-584-7524

 
 
 
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