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Daily Quiz (106)


True or false: Exudation of a substance to the surface of a coating film is caused by flocculation.


True or false: The pigment volume concentration (PVC) of a coating is the ratio of the volume of pigment to the volume of total volatile material.


Which of the following is a prime pigment?


According to ASTM nomenclature, what is the name of the synthetic resin made from polyhydric alcohols and polybasic acids; generally modified with resins, fatty oils or fatty acids?


True or false: Acrylic resins are sometimes used to make polymer mortars and concretes.


True or false: Paints with antimicrobial properties must be registered with EPA.


True or false: According to a recent D+D In Depth article, coatings utilizing polyurethane resins are the leading polymer technology in the coatings industry.


In coating work, “sweat-in time” refers to what?


Which of the following features of a corrosion-control coating do not contribute significantly to barrier protection?


Which of the following is another term for an alkyd resin?


True or false: Coatings for faying surfaces require the special performance property of edge retentiveness.


Which reflective roof coating type has the greatest heat resistance?


"Leafing" and "non-leafing" are words that refer to what?


True or false: A silicate paint is always a zinc-rich paint.


In a study of shop-applied topcoats reported in JPCL, which generic type achieved a hardened film that resisted handling damage at lower temperatures (50 degrees Fahrenheit) and higher humidity (75 percent RH) in the shortest amount of time?


True or false: If inorganic zinc-rich coatings are left untopcoated in atmospheric exposure, they become more porous over time.


At what level of permeance are coatings generally considered breathable?


True or false: CICP (Complex Inorganic Color Pigments) combines extremely durable colorfastness with IR-reflective capability but cannot produce vivid colors.


True or false: Organic zinc-rich coatings are solvent-borne; inorganic zinc-rich coatings are water-borne.


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


True or false: The adhesion of a coating to a steel substrate can be achieved by both mechanical attachment and chemical bonding.


True or false: Some single-component intumescent coatings, such as acrylics, may require up to six coats to complete the system.


True or false: The liquid vehicle of coatings (less than 100 percent solids) contains both volatile and non-volatile portions.


Fluorescence has been used to further develop what type of coating technology?


True or false: Acrylic coatings are the generic type used most frequently on high-end architectural metal roofing.


True or false: Lamellar pigments are valuable in increasing the permeability of coatings.


True or false: For high-performance protective coatings, polysiloxanes that combine silicone with acrylic or epoxy have demonstrated the greatest benefit.


True or false: A Hegman number is used to indicate particle size of blast abrasive.


What term is used to describe the temperature at which the non-crystalline portion of a polymer is transformed from a rubbery material to a brittle, glass-like material?


True or false: A recent D+D In Depth article asserts that alkyd paints for exterior wood substrates are more flexible than acrylic paints.


How does an intumescent coating function?


True or false: A conversion coating can be created by either a chemical or an electrochemical treatment.


True or false: Polyaspartic coatings offer good color and gloss retention.


Additives based on hydrated lime would find use in what type of coating?


What is another name for potassium silicate coatings?


Polyurethanes are formed by the reaction of an isocyanate with a hydroxyl-containing substance. What is another name for this hydroxyl-containing substance?


Chemical-resistant polyesters and vinyl esters are used in what way?


According to a D+D In Depth feature, what is the most popular generic type of liquid-applied flashing for rough openings and penetrations?


True or false: The overlapping of platey pigments in a coating creates crevices that diminish the coating’s barrier properties.


What kind of material requires an acid source, a carbon source, and a blowing agent?


True or false: 100 percent solids coatings are sometimes selected for potable water tank interiors, in part, because they can cover difficult-to-coat areas with higher film builds than can be achieved with solvent-containing coatings, according to a JPCL article on the subject.


An epoxy curing agent is derived from what natural source?


Which of the following materials is not used to make a biocidal additive for coatings?


True or false: In a broad sense, any polymer used as a basic material for coatings is called a resin.


Which of the following is a typical binder for an organic zinc-rich coating?


True or false: Polyester coatings are sometimes used to coat aluminum extrusions and panels.


In a study of shop-applied topcoats reported in JPCL, which generic type achieved a hardened film that resisted handling damage at lower temperatures (50 degrees Fahrenheit) and higher humidity (75 percent RH) in the shortest amount of time?


True or false: For color and gloss retention on aluminum extrusions in exterior exposure, acrylic baked enamels provide the best performance.


Which of the following generic coating types is a thermoplastic lacquer no longer widely used?


What resin chemistry is suitable for development of coatings that can be successfully applied to stucco?


Ion exchange pigments would most likely be used in what application?


True or false: One of the main strengths of polyureas is their ability to wet out a substrate.


True or false: Waterborne polyurethane coatings are sometimes called “waterglass.”


What coating system was used to restore the 9.7-acre roof of the Louisiana Superdome (now called the Mercedes-Benz Superdome) in the Fall of 2005 after being damaged by Hurricane Katrina?


True or false: Fluorourethanes are organic-inorganic hybrid coatings.


Which of the following is an oxygenated solvent?


True or false: According to a recent D+D In Depth article, hygienic paint coatings with controlled release nano-silver ions have the most effective antimicrobial property for long-lasting hygiene protection.


What is the acronym for gypsum-based or cementitious fire-resistant materials?


PVDF is an essential component of what generic coating type?


True or false: Thermoplastic is another name for thermoset resins.


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


True or false: Red iron oxide pigment is stable at temperatures of 500 degrees Fahrenheit.


Which of the following pigment types are sometimes used as extenders?


True or false: Additives based on hydrated lime are sometimes used to create anti-bacterial coatings.


True or false: Acrylic coatings are effective as reflective roof coatings, but not as air barriers.


In what type of coating would you be most likely to find ammonium polyphosphate?


Which of the following is not classified as an additive in a coating formulation?


True or false: Polyaspartic coatings cure more quickly than polyureas.


What coating material would be least likely to be specified for high heat applications?


True or false: Mineral paints with inorganic potassium silicate binders have very little permeability.


Synthetic dirt is used in accelerated laboratory testing of what type of coating material?


TDI and MDI are two types of what coating ingredient?


What is the function of zinc pyrithione in paint?


An additive based on hydrated lime would likely be found in what type of functional coating?


True or false? According to the Coatings Encyclopedic Dictionary, the volatile portion of the liquid vehicle of a coating is called the binder.


What topcoat technology is most noted for its high degree of thermal stability and heat-resistance?


True or false: Zirconium silicate is crushed, dried and screened to produce the blast cleaning abrasive aluminum oxide.


In what type of coating would you be most likely to find ammonium polyphosphate?


Who wrote the definitive book, Protective Coatings: Fundamentals of Chemistry and Composition?


A variation on polyurethane coating chemistry that allows for faster curing times and higher film builds has what name?


Additives based on hydrated lime would find use in what type of coating?


True or false: According to the Coatings Encyclopedic Dictionary, the word “surfactant” is a contraction of the words “surface active agent.”


True or false: One way to passivate steel is to remove its oxide layer.


True or false: Flocking is the creation of a finish by removing a portion of a wet coating with a sponge.


True or false: Thixotropes are added to paint to make it thicker.


Film formation by coalescence occurs with what types of coatings?


What is a surfactant?


What is the relationship between polyalcohols and polyols?


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: Cashew nut shell liquid is sometimes used in the formulation of protective coatings.


What is the process by which vegetable oils and animal fats are turned into soap?


True or false: A biomimetic coating is one that employs sustainable raw materials.


The Foam Sheathing Committee is a unit of what association?


Why is a gel coat consisting of paraffin wax in styrene often used over newly applied polyester and vinyl ester linings?


True or false: A Hegman number is used to indicate particle size of blast abrasive.


True or False: Sardine oil has been used as an ingredient in the manufacture of paint.


What phrase best describes a polyaspartic coating?


Medium- and long-oil alkyds cure by what mechanism?


True or false: OSHA recently announced a National Emphasis Program on isocyanates.


Of the following selections, which one describes a use of calcium borosilicate in coatings?


In what type of coating would you be most likely to find ammonium polyphosphate?


A variation on polyurethane coating chemistry that allows for faster curing times and higher film builds has what name?


Which of the following generic types of coatings has the most heat resistance?


The epoxy curing agent phenalkamine is derived from what source?


Which of the following characteristics of paint is easily tested in the field?


What function do surfactants not perform in coatings?


 
 
   

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