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Daily Quiz (69)


True or false: A Maryland State Highway Administration study of coatings’ field performance confirmed that two-coat bridge painting systems are more cost-effective than the standard three-coat, zinc-epoxy-urethane system.


What is the name used for the period of time when a coating remains workable as it is applied to smooth the film and avoid excessive build at laps.


According to ASTM, what application method produces edge-tracking?


What is an alternative to hot potting?


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: Some intumescent coating types may require up to five coats and 25 days from initial application to completion of the finish coat at 50 degrees Fahrenheit.


True or false: A D+D In Depth article argues that the risks of moisture-related, single-wythe CMU wall problems based on the initial selection of the coating and number of repaints cannot be predicted.


True or false: When a cold-weather coating is used to coat steel in temperatures below freezing, it is not necessary for the surface temperature of the steel to be at least 5 degrees Fahrenheit above the dew point temperature.


Examining the drip pattern from a burst of paint sprayed onto a vertical surface with an airless spray gun will reveal what possible problem?


True or false: Airless spraying produces less overspray than conventional air spraying.


What do MPCAC and PLURAL have in common?


Which of the following formulating or application strategies can increase the hiding of a coating?


True or false: Products for exterior wood are sometimes formulated with high pigment concentrations to provide hiding power and to help seal the exposed wood microstructure.


What organization has validated a Wall Coating Applicator Training Program?


Which of the following is bad advice about spraying zinc-rich coatings?


True or false: Among the performance properties of polyureas, according to a JPCL article by Mike O’Donoghue and Vijay Datta, tolerance of low-temperature application is the weakest.


True or false: Waterborne coatings require special spray guns when applied by electrostatic spray.


In addition to trisodium phosphate, used for cleaning in painting operations, what other material has the acronym TSP?


SSPC recently entered into an agreement with what organization to provide global applicator training?


Which of the following is not a term used for application of metallic wire, metallic powder or thermoplastic powder?


True or false: Conventional air spraying tends to cause more overspray than airless spraying.


In coating work, what is transfer efficiency?


True or False: Weldability is very significant to the formulation of inorganic zinc preconstruction primers used in ship building.


What may be the result of excessive pressure in airless spray painting?


A chopper gun would most likely be used for what application?


True or False: SSPC and NACE jointly publish a standard on applicator training and certification for commercial painters.


Wind can cause or contribute to what problem of paint application?


Which of the following terms is generally considered synonymous with the term “trade sales paint”?


True or False: Dry-sprayed paint films, as occurs in high wind conditions, are rough, low in gloss, and cohesively inadequate.


True or False: Relative humidity at the surface of bridge steel may be different from the relative humidity in the atmosphere away from the steel surface.


True or False: It is important to keep the spray pot or container below the level of the work when applying zinc-rich paint.


True or False: When measuring dry film coating thickness in accordance with SSPC-PA 2, the required number of “area measurements” is based on the size of the structure.


True or False: Field-applied fluoropolymers cannot meet VOC levels of 100 grams per liter.


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.


What is the relationship between a fog coat and a mist coat of paint?


True or False? Powder coatings are not used on architectural aluminum.


What does HVLP stand for?


Why do some product data sheets for coatings require that the substrate surface temperature be at least 5° F higher than the dew point temperature?


Which of the following is bad advice about spraying zinc-rich coatings?


What does “theoretical coverage” mean?


Why should the surface temperature of steel be at least 5 degrees higher than the dew point temperature before you blast-clean or paint?


What kind of spray application of a liquid coating to a metallic substrate is most commonly associated with the “wrap-around effect”?


What is the alpha-numeric designation of the recently published SSPC standard describing recommended best practice in applying plural component polyureas and polyurethanes?


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


What is the alphanumeric designation of the SSPC Paint Application Standard for measuring the thickness of dry coatings on concrete?


Which of the following is an environmentally benign material sometimes used to etch concrete before application of coatings?


SSPC’s Coating Application Specialist Standard, ACS-1, is issued jointly with what other organization?


True or false: Fire-resistant, intumescent coatings for steel are applied in one to three coats.


True or false: An SSPC Committee is working on a standard for qualifying and certifying commercial coating applicators.


Which of the following application methods achieves the greatest transfer efficiency?


Which of the following factors is a cause of dry spray in conventional air spray operations?


True or false: Painting over weld spatter on steel is an accepted practice.


True or false: To assure successful adhesion, more paint has to be applied to weathered wood so that it penetrates the soft, damaged layer and adheres to the sound substrate beneath.


True or false: Conventional air spraying produces less overspray than airless spraying.


True or false: Back brushing and back rolling are application techniques with the opposite effects.


True or false: Conventional air spraying creates more overspray than airless spraying does.


When spraying zinc rich coatings, why is it useful to have the spray pot or container positioned at or above the level of the work?


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


Sharp edges on steel present special challenges to the coating applicator for what reason?


What application technique is likely to cause the most overspray?


What is involved in “zone painting” of a structure?


Windy conditions during spray application of coatings would be most likely to cause which of the following paint defects?


What check should you make first to find the cause of fish eyes in a coating film applied by air spray?


When airless spray painting, use a tip with a larger orifice for:


In conventional air spraying, which of the following spray techniques is wrong?


Which one of the following application methods has the highest range of transfer efficiency?


In what kind of spray application do the coating particles tend to wrap around edges of the substrate?


True or false: On lattice-type electric transmission towers, airless sprayers are often the main paint application tool.


What advantage does a high-volume, low-pressure spray system have?


 
 
   

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