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Daily Quiz (13)


True or false: In hot-dip galvanizing, the coating forms four distinct layers.


True or false: Bimetallic corrosion, such as that which results when two dissimilar metals are connected electrically in a water tank interior, occurs most rapidly when the two metals are close together rather than far apart in the galvanic series.


True or false: Like hot-dip galvanizing, thermal-spray zinc coatings produce an iron-zinc alloy at or near the surface of the steel substrate being coated, according to a recent JPCL article.


True or false: The application of a coating to stainless steel that is electrically connected to carbon steel in immersion service can reduce but cannot completely eliminate the effects of galvanic corrosion, according to a recent JPCL article.


How is film build normally achieved during the thermal spray process?


What is a term used to describe the accelerated oxidation of galvanized steel caused by exposure to relatively high concentrations of moisture and oxygen trapped between pieces or sheets of steel that are closely stacked?


True or false: According to a recent JPCL article, a thermal-spray metal protective film is more similar to hot-dip galvanizing than to a liquid-applied coating.


True or false: Arc-spray application of thermal-sprayed metal coatings is conducted only in the shop.


True or false: Organic zinc-rich coatings are not recommended for the repair of galvanizing.


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: A seal coat should be applied over a thermal-sprayed zinc coating before oxidation occurs on the surface.


True or False: Both zinc and aluminum are used as thermal spray materials for corrosion protection of steel.


Who publishes the Specification for the Application of Thermal Spray Coatings (Metallizing) of Aluminum, Zinc, and their Alloys and Composites for the Corrosion Protection of Steel?


 
 
   

Specialty Products, Inc. (SPI)
Polyurea & Polyurethane Spray Foam Training

SPI is committed to industry leading technical training for polyurea & polyurethane spray foam professionals. Attendees receive hands-on, in-depth training for using and troubleshooting plural-component equipment, spray guns, machine hoses & parts.


SAFE Systems, Inc.
Enduroguard -
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Industrial Vacuum Equipment Corp.
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N.T. Ruddock Co.

Our Abrasives Hold Up Under Pressure

N. T. Ruddock focuses on abrasive selection, equipment evaluation, equipment maintenance & reduction of abrasive consumption. Other services include Screen Analysis & Background Radiation Testing.


NACE International, The Corrosion Society
Get Hands-on Experience

In NACE’s CP Program, learn the techniques and procedures for testing, evaluating, and designing galvanic and impressed current CP systems.


Sidewinder/Persyst Enterprises, Inc.
The Sidewinder Model M2 Solvent Recycler

Combat the rising cost of gunwash, thinners, acetone & more while drastically reducing waste disposal coat.


Clemco International GmbH
Global engineering-trusted solutions

For more than 70 years, Clemco has provided the highest quality blast equipment with a total commitment to comfort and safety.


Wasser High-Tech Coatings Inc.
Polyflex® Polyurea Linings

Polyflex ™ new Polyurea Geotextile Membrane System has been specifically engineered to protect the environment in containment applications.
www.polyflexlinings.com


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!


Waterjet Technology Association (WJTA)
2016 WJTA-IMCA Expo Nov. 2-3, New Orleans

See the latest advances in automated and handheld UHP waterjetting tools/systems for paint/coating removal, surface prep, industrial cleaning. Exhibits, live demos.

 
Technology Publishing

The Technology Publishing Network

The Journal of Protective Coatings & Linings (JPCL) PaintSquare
Durability + Design Paint BidTracker

 
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