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Quiz Leaderboard: 11/1 - 12/1/2015    Sign in to track your quiz score! | Full Leaderboard

  • 1. Michael Beitzel (19/20 answered correctly)

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  • 20. Shabbir Hussain Shah (18/20 answered correctly)

Thursday, July 26, 2012

Why must laitance and efflorescence be removed before coating concrete?

They are not well bonded to the sound concrete beneath them.
They affect the color of the coating.
Coatings are always incompatible with these materials.
They cause blistering.

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Previous Quizzes from the Past Week

Wednesday, July 25, 2012
In its Technology Guide on the subject, what type of coating material does SSPC recommend for repairing imperfections in galvanized, organic zinc-, or inorganic zinc-coated steel?

Tuesday, July 24, 2012
What is the leading cause of pipeline failures in North America and Europe?

Sunday, July 22, 2012
True or false: There are no quantitative methods for determining levels of moisture in concrete floor slabs.

Friday, July 20, 2012
What is the main purpose of optically active pigmentation in coatings?

Thursday, July 19, 2012
When abrasive is recycled without sufficient new abrasive being added to the operating mix, what happens to the surface profile of steel being cleaned?

More previous quizzes

Monti Tools, Inc.

Surface cleanliness of SSPC-10 | Anchor profile up to 4.7 mils | Removes corrosion & coatings | ATEX approved for zone 1 | | 832-623-7970

NLB Corporation
VacLance cleans up as you do surface preparation

Add vacuum recovery to any NLB rotating water jet lance with a VacLance attachment and vacuum source. Model DM32283 works vertically, horizontally and in corners.

Montipower, Inc.
The MBX Bristle Blaster

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

Advanced Recycling Systems

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

AW Chesterton
ARC Protective Coatings

perform reliably under the most demanding exposures in the toughest process conditions. Use our Coating Selector Tool for your application needs at

Corrosion Probe, Inc.
From Detection to Correction

Corrosion Probe, Inc. has the Most Concrete Coatings Experience and Expertise. Contact us today at

New resins from BASF will have metals loving water:

Excellent corrosion resistance, low VOC, high gloss, thin films

CHLOR*RID International Inc.
Free Webinar

Learn about soluble salts, along with a discussion on allowable levels.
More information at,


Atlantic Design, Inc.

The smallest version of our Blast Vacuum Recyclers, this ADI 2300CFM 2-Pot is a cleverly designed power package for those smaller jobs. 866.Call.ADI

Axxiom Manufacturing
Schmidt Improves Conversion Kits

Schmidt's conversion kits turn out-of-date blast pots into high quality, efficient blasters. Quick, easy to install with step by step instructions.
Call 1-800-231-2085

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