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Daily Quiz (70)


What occurred on the Piper Alpha?


Alkyds are a specific type of what broader class of resins?


What type of corrosion is characterized by a definite thread-like structure and directional growth under coatings on steel?


True or false: Thick-film, epoxy novolac coatings are sometimes recommended for railroad tank cars carrying crude oil.


Sulfate-reducing bacteria contribute to corrosion by what mechanism?


White rust appears on which of the following substrates?


True or false: Dry ice pellets used as abrasive cannot produce a profile on steel.


True or false: Sponge jetting requires ultra-high pressure (UHP) water.


Which of the following is not an inhibitive pigment used in coatings for corrosion control?


True or false: In air abrasive blast systems, the bull hose carries pressurized air and abrasive to the blast nozzle.


True or false: Oil contamination of the atomizing air in an air spray system can cause fish eyes in the coating film.


Which of the following isocyanates is used in polyurethane coatings?


High ratio calcium sulfonate alkyds are recommended by some coating specialists for what kind of service?


What polymer concrete resin is based on an alcohol derived from agricultural wastes such as rice and oat hulls and corn cobs?


True or false: TDI and MDI are aromatic isocyanates.


In coatings work, what is a limpet cell?


The last solvent in a solvent blend to evaporate from an applied coating film is called what?


True or false: An epoxy ester coating is a single-package material.


True or false: In paint failure analysis, gas chromatography-mass spectroscopy is normally used to detect and identify volatile or semi-volatile materials.


True or false: A dilatant paint is said to be thixotropic.


True or false: Coatings based on silicone resins have little resistance to chalking.


True or false: Surface profile on steel can be measured in the field.


True or false: Osmotic blisters are likely to be filled with liquids that contain solvents or salts.


In what country was the first large-scale application of zinc-rich coatings?


What level of voltage does a wet sponge holiday detector employ?


True or false: Power tool cleaning is effective in removing soluble salts from a steel substrate.


True or false: Siloxane sealers are normally applied to concrete substrates in film thicknesses of two to three mils.


True or false: Coatings that form a film by coalescence are two-component materials.


True or false: Inorganic zinc-rich coatings, left untopcoated, decrease in barrier protection over time.


True or false: PVDF resins can be emulsified in water to create a single-component, ambient-cured, fluoropolymer coating.


True or false: SSPC’s technology update on overcoating says that failure by delamination is a minor risk.


What kind of concrete sealers penetrate the pores of the concrete and form little, if any, film build?


Micaceous iron oxide is a pigment providing what kind of properties to protective coatings among the choices listed?


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: Some moisture meters for concrete are based on AC impedance.


True or false: An inorganic zinc-rich primer can be topcoated as soon as it is dry.


True or false: According to a recent JPCL article, application of silicone foul-release coatings presents numerous problems that need to be overcome.


What kind of corrosion is caused by the formation and collapse of bubbles?


True or false: A polysiloxane is an aliphatic polyurea.


True or false: Calcium aluminate mortars are sometimes used as linings for rehabilitation of manholes.


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


True or false: A black light test can detect certain oil films on a bare steel substrate.


True or false: There are both pneumatic and electric remote controls for air abrasive blast systems.


True or false: A polyaspartic coating is an aliphatic polyurea.


Certain machine guns, like the old Thompson sub-machine gun, are called chopper guns. What is a chopper gun in coatings work?


True or false: According to a recent JPCL article, foul-release hull coatings can be divided into hard and soft technologies.


True or false: Inorganic zinc-rich primers should be topcoated as soon as they appear to be dry.


True or false: Non-osmotic blisters can develop in coatings on concrete floors.


True or false: The greater the permeability of a coating on concrete, the more effectively it will perform.


What mechanism of corrosion protection does zinc phosphate provide to coatings?


True or false: Plastic shrinkage cracking of concrete can occur during the first few hours after placement.


True or false: Some alkyd formulations will not undergo saponification if applied to high-pH substrates.


True or false: The Maritime Environment Protection Committee (MEPC) is a committee of the United Nations.


What is a common term for osmotic blistering of coatings due to thermal gradients?


True or false: Certain coating types can saponify on galvanized surfaces with elevated alkalinity.


If coatings were removed before abrading a concrete floor slab to conduct the ASTM anhydrous calcium chloride test, how much time must elapse between grinding and conducting the test?


True or false: Abrasive particle size, shape, and hardness all have an impact on the creation of surface profile.


Ammonium polyphosphate is most likely to be found in what type of coating?


What do HUNKOR and CEFRACOR have in common?


Which one of the following organizations does not train and certify coating inspectors?


True or false: An ASTM subcommittee is working on a proposed standard to test the slip-coefficient properties of coatings used in slip-critical bolted connections.


True or false: Abrasive blast particles in an air abrasive blast system using a venture nozzle can achieve speeds of 450 mph or higher.


True or false: OSHA’s work practice controls to minimize exposure to hazardous materials, such as toxic dust, can include, in most instances, job rotation.


What organization developed a standard for measuring concrete surface profile with replica putty?


What organization publishes the Standard for the Preparation of Steel Substrates for PSPC?


What is the relationship between a discontinuity and a holiday in a coating?


Among the various types of anti-foulings for ships, what are foul-release coatings?


Which method of blasting produces the least blast debris, presuming the same substrate in the same condition is being cleaned by each method?


What kind of test was developed by Frederick Knoop and colleagues?


What SSPC/NACE blast cleaning standard is equivalent to Sa 2, Thorough Blast Cleaning, in ISO 8501-1?


 
 
   

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