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Daily Quiz (18)


Where would you be likely to find titanium zinc?


What mechanism of corrosion protection does zinc phosphate provide to coatings?


True or false: Zinc coatings are sometimes applied to structural concrete, such as bridge piers, to provide galvanic protection to rebar.


In SSPC’s Coating System Guide 12.00, Guide to Zinc-Rich Coating Systems, what type of untopcoated zinc-rich system is recommended for alkaline exposure, pH 10-12?


What is the name given to the zinc ammonium chloride solution that cleans and deposits a protective layer on steel before it is immersed in molten zinc to achieve galvanizing?


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.


Cold galvanizing employs a coating with a high percentage by weight of what material?


True or False: A seal coat over thermal-sprayed zinc will perform better if application is delayed until at least 30 days have elapsed so that natural oxidation can form on the zinc.


True or False? To be effective, a seal coat over a thermal-sprayed zinc coating must be applied after a significant amount of natural oxidation has occurred.


True or false: Zinc phosphate pigments, when used in primers for steel substrates, provide sacrificial protection of the metal.


What is the main feature of zinc that allows it to provide cathodic protection to steel?


How are the zinc particles in a zinc-rich coating kept in suspension during spray application?


True or false: Thermal spraying of zinc is sometimes used for corrosion control on steel substrates.


Why are zinc-rich coatings sometimes applied to structural concrete?


True or false: If a zinc-rich coating has a silicate binder, it is classified as an organic zinc-rich.


In what way is a zinc-rich primer “rich?”


True or false: In multi-coat systems, it is not always the case that the higher the zinc loading in a zinc rich primer, the better the system performance will be.


True or false: Inorganic zinc pre-construction primers for shipbuilding normally have more zinc content than inorganic zinc primers applied after fabrication.


 
 
   

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U.S. Zinc
Historic Reliability. Innovative Performance.

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LS Industries
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Abrasives Inc.
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Atlantic Design, Inc.
OUR QUALITY & YOUR TIME.

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Termarust Technologies
Termarust (HR CSA) Chemically Stops
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Arch truss treated with Termarust's (HR CSA) in 2003. This steel arch bridge is rust free on all surfaces including the crevice corroded joints and connections.


SAFE Systems, Inc.
Portable Blast &
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Trailer or skid mounted blast and recovery equipment. Systems designed for maximum versatility, environmental compliance
and overall cost savings.
Call 1-800-634-7278


ABKaelin, LLC
Quality is our bottom line

Services include:
• Environmental, Health &
  Safety
• Contractor QP Certification
• Quality Assurance Programs
  and Auditing
• SSPC C3/C5 and other
  Training
• Coatings
• Design/Construction
See our website at abkaelin.com or contact us today abkaelin@comcast.net


Modern Safety Techniques
Modern Safety Techniques

See our Low Temperature Catalyst for your CO removal needs. Help to provide your workers with safe, comfortable breathing air!


US Minerals
US Minerals -
Black Magnum

With nationwide production and distribution capabilities, U.S. Minerals supplies a complete range of coal slag and other abrasives to meet all of your blasting needs.

 
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