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Daily Quiz (29)


True or false: When a primer coating is loaded with zinc dust to protect steel, the zinc acts as an inhibitive pigment.


Which of the following statements about inorganic zinc (IOZ) pre-construction primers for shipbuilding is true?


What is another name for a wash primer?


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


True or false: Titanium zinc is used as an inhibitive pigment in primers for steel.


True or false: A wash primer is a conversion coating.


True or false: A zinc silicate primer is an inorganic zinc-rich primer.


What is the name of the process that causes a metal to become inert or unreactive?


A new guide from SSPC published at the end of 2016 deals with what topic?


True or false: A pretreatment primer is also sometimes called a wash primer.


True or false: Waterborne acrylic primers for steel cannot be formulated with inhibitive pigments.


True or false: According to a study reported in JPCL, two-coat systems comprised of zinc-rich primers and high-build polyaspartic topcoats were markedly inferior in performance to three-coat systems comprised of zinc-rich primers, intermediate coats, and moisture-cured polyurethane topcoats on Virginia bridges after ten years of service.


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


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


Which statement about zinc-rich primers is not true?


True or false: Inhibitive primers are often used on concrete substrates.


True or false: Etch primers are sometimes called wash primers.


Pascal Verbiest, in his recent JPCL article, “Developments in Zinc Primers for Corrosion Protection,” describes four mechanisms of corrosion resistance provided by zinc primers.


True or False? Waterborne acrylic primers for steel are often formulated with inhibitive pigments such as zinc phosphate.


True or False? Zinc oxide is used to make zinc-rich primers.


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


True or false: If a zinc-rich primer has a silicate binder, it is classified as an inorganic rather than 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.


What is one typical duty of an inspector prior to the application of a primer?


True or false: A universal primer has the same function as a wash primer.


True or false: It is sometimes useful to stripe coat steel edges and irregular surfaces after the full primer coat is applied.


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


Zinc-rich primers offer what kind of protection to steel?


 
 
   

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