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Daily Quiz (75)


A team of researchers from Spain recently studied the use of microparticles as fillers for epoxy resins from recycled what?


In a recent JPCL article, how many epoxy passive fire protective coatings were subject to a newly developed testing protocol designed to assess performance in the event of a hydrocarbon fire?


When performing emergency maintenance and repair regarding corrosion under insulation in oil and gas facilities, what is the potential cost of shutting down equipment?


Alkyds are a modified form of a(n) _____ resin.


True or false: The development of hot-spread epoxy phenolic coating resulted from the discovery of the “rusted steel substrate effect,” among others.


Traditional epoxy phenolic coating technology for CUI mitigation recommends a film thickness for each coat to be typically __ - __ mils.


In a Swiss Federal Laboratories for Materials Science and Technology (Empa) 50-year-old experiment involving an epoxy resin and steel reinforcements on concrete, engineers found that after 50 years under 87% of the average breaking load, the epoxy resin bonding showed:


True or false: According to Allen Zielnik in a 2013 D+D article, most exterior wood repair products are based on epoxy-resin technology.


In a 50-year-old experiment involving an epoxy resin and steel reinforcements on concrete, researchers from the Swiss Federal Laboratories for Materials Science and Technology (Empa) found that the epoxy resin bonding showed no weaknesses, with under ___% of the average breaking load.


According to this PaintSquare Press contributor, cycloaliphatic epoxies offer a favorable solution for wastewater structures that undergo aggressive immersion services and are highly susceptible to degradation from UV-light exposure.


During a 2019 lining project to protect process vessels at the largest oil field in Iraq, what type of epoxy was chosen for the job?


True or false: A three-component zinc-rich epoxy primer was used on the Allegiant Stadium as a means of corrosion protection.


In a Summer 2020 PaintSquare Press article, Majestic Fast Ferry reported that this type of coating provided energy savings and allowed for improved speeds at sea.


True or False: According to a recent PaintSquare Press article, if a pre-engineered metal building is slated to receive a fireproof coating or epoxy application, the item will not receive traditional oxide or galvanization treatments.


What type of coating was recently used to protect the interior steel trusses of the Crystal Cathedral in Garden Grove, California?


This type of additive, used in petroleum and water storage tank linings, help make holidays and pinholes visible when illuminated with an eye-safe LED light.


Bisphenol A is combined with which of the following to produce epoxy resins?


True or false: An amine carbamate can create surface opalescence on epoxy films.


True or false: On two heavily corroded, 350-foot transmission towers cleaned to SSPC-SP 2 and SP 3, a coating system consisting of one full coat of 100-percent-volume-solids epoxy penetrating sealer, followed by one full coat of silicone alkyd enamel has been used, according to a recently published case history.


Which of the following is an anti-graffiti coating that functions by low "surface-free energy"?


True or false: Epoxy coatings formulated for application over green concrete (less than 28 days of cure) must contain inhibitive pigments.


True or false: A five-year inspection of relined water tank bases using fiberglass mat embedded in solventless epoxy showed that the lining system performed poorly, according to a JPCL article on the subject.


True or false: Using silicone over epoxy does not work well in a metal roof coating system, according to a JPCL article.


True or false: Epoxy novolacs are not good candidates for food processing facilities.


True or false: Phenalkamine epoxy curing agents are made from the oil of walnut shells.


True or false: A two-part modified epoxy novolac polysulfide coating was applied successfully to aged concrete fuel storage tanks.


True or false: An epoxy ester coating is a two-component material.


A recent JPCL article described what function of an epoxy polysulfide coating?


True or false: It is harder to remove coal tar epoxy than coal tar enamel from a steel substrate.


True or false: Novalac epoxy resins are sometimes used in formulations to create epoxy coatings for application to green concrete.


True or false: Epoxies are sometimes hybridized with silicones to achieve both anti-corrosive properties and UV resistance.


True or False: A two-component epoxy is a thermoplastic coating.


True or false: Epoxies to be used over green concrete should be formulated for impermeability.


True or false: According to a JPCL article, a woven-fabric-reinforced epoxy has very good capability to bridge holes in water tank bottoms.


When specifying epoxies for green concrete, what attributes are important?


True or false: A flake-filled epoxy novolac is a reasonable selection for use in a flue-gas desulfurization unit.


True or false: Carbonation is sometimes formed by the reaction of an amine with carbon dioxide and water to create amine blushing of epoxy coatings.


The U.S. Army Corps of Engineers has developed waterborne epoxy coatings that exceed the performance of high-VOC coatings that were traditionally used for locks and dams.


True or false: Fusion-bonded epoxy coatings are sometimes specified for sheet piling.


For successful application to green concrete, epoxies must be vapor-permeable and must have what other characteristic?


An epoxy curing agent is derived from what natural source?


True or false: Epoxy technology was not commercialized until the early 1960s.


What performance property of epoxy resins makes them useful as wood repair products?


True or false: Fire-resistive, intumescent coatings sometimes have epoxy and sometimes acrylic resin systems.


True or false: Flake-filled epoxy novolacs have been used to protect metal in flue gas desulfurization units.


True or false: The installed cost of thick-film resinous coating systems, such as high-build epoxies and polyureas, on concrete floors ranges from $3.50 to $7.00 per square foot, according to a recent D+D In Depth article.


What is a generic name for a hybrid coating that combines epoxy with siloxanes?


True or false: Minimal barrier protection is a major weakness of epoxy coatings.


What epoxy curing agent is made with the oil derived from a nut shell?


True or false: According to a JPCL article in 2014, high solids epoxies tend to have shorter pot lives but longer drying times than conventional epoxies.


What term is normally used to describe surface opalescence on epoxy films caused by reaction of amine co-reactant with carbon dioxide and water?


True or false: Epoxies have better alkali resistance than many other polymers.


True or false: Some epoxy coatings are formulated for application to green concrete that has cured for only 24 hours.


True or false: A silepoxy is formed by the combination of epoxy with siloxane.


True or false: A zinc silicate primer is classified as an organic zinc-rich primer.


True or false: Epoxies that are insensitive to high pH and are vapor-permeable have been developed for green concrete (concrete that has set but not fully cured).


Epoxy coatings formulated for application over green concrete (less than 28 days of cure) must withstand what special substrate conditions?


Where would you be most likely to use an epoxy novolac?


True or False? Epoxy technology was not commercialized until the 1940s.


What coating defect is caused by exceeding the recoat interval recommended by the manufacturer for an epoxy coating?


Anatase and rutile are types of what paint component?


True or False: A two-component epoxy is a thermoplastic coating.


Hybrid coatings that combine epoxies with siloxanes are called what?


What is generally considered a weakness of epoxy coatings?


True or false: Fusion-bonded epoxy coatings are cured by UV light.


True or false: Fusion bond epoxy (FBE) coating is widely used to protect structural steel in power plants.


True or false: Two- and three-coat epoxy systems are often recommended for ships' ballast tank linings.


The epoxy curing agent phenalkamine is derived from what source?


Two-component epoxy coatings cure by what mechanism?


An epoxy-modified siloxane clear coating would be classified as what type of anti-graffiti coating?


What coating defect is likely to be caused by exceeding the recoat interval recommended for an epoxy?


The term “mastic,” as in epoxy mastic, often refers to what characteristic?


The first epoxy coatings were sold in what year?


Bisphenol A is combined with which of the following to produce epoxy resins?


Which of the following generic coating types is not an alternative to polyurethane topcoats on metal substrates in atmospheric service?


 
 
   

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