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Quiz Leaderboard: 5/28 - 6/27/2017    Sign in to track your quiz score! | Full Leaderboard

  • 1. Chuck Fite (21/22 answered correctly)

  • 2. willem van Gent (21/22 answered correctly)

  • 3. Mark Allen (21/22 answered correctly)

  • 4. Juan I. Ordinas (21/22 answered correctly)

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

  • 6. David Stringfellow (21/22 answered correctly)

  • 7. Mark Gierke (21/22 answered correctly)

  • 8. Bryon Beck (20/22 answered correctly)

  • 9. Shabbir Hussain Shah (20/22 answered correctly)

  • 10. TIM JOHNSON (20/22 answered correctly)

  • 11. Douglas Steitz (20/22 answered correctly)

  • 12. Luis Ruiz (20/22 answered correctly)

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  • 14. Robert Cloutier (20/22 answered correctly)

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  • 17. Jerrod (Jake) McCann (20/22 answered correctly)

  • 18. Roland Peemans (19/22 answered correctly)

  • 19. David Danielson (19/22 answered correctly)

  • 20. Mark Anater (19/22 answered correctly)


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
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    BUILDING INNOVATION, NOT IMITATION
     
    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
     

     
    Harsco
     
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    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.
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