Daily Quiz (245)


True or false: According to a recent D+D In Depth article, sealers and thin-film floor coatings typically require a profile in the CSP 3-5 range.


What is a vernacular term for a wet film thickness gage?


What organization offers a one-day course on “Exterior Wall Quality Assurance”?


True or false: According to a D+D article, most SPF systems can be installed at substrate temperatures from 30 degrees to 180 degrees Fahrenheit.


The diffusion of colored matter from a substrate through a paint film causing discoloration is called what?


True or false: Though the standard ASTM F2170 requires 72 hours to achieve results, one-day results of relative humidity testing of concrete floors with in-situ probes is typically accurate enough to judge if it is acceptable to apply materials that can tolerate higher moisture content.


An ultrasonic dry film thickness gage can measure dry film coating thickness on what substrate(s)?


What organization offers a certification in moisture testing of concrete slabs?


True or false: Most fluoropolymer coatings applied to aluminum extrusions have a film thickness of about 1.2 mils, according to a recent D+D In Depth article.


True or false: Polyurea coatings require use of low-voltage holiday detectors for continuity testing.


What is another name for surface profile on steel?


True or false: ASTM has a test method for measuring surface profile that is appropriate for profile produced by power tools.


True or false: An entire session of the SSPC 2017 Conference in Tampa is devoted to surface profile.


True or false: Some moisture meters based on conductivity readings can be used on both wood and concrete substrates.


True or false: Shotcreting produces a surface profile too rough for thin coatings.


What is another name for a dolly used in coating testing?


True or false: ASTM offers only a visual method for determining the surface profile of concrete.


What inspection instrument uses a wet bulb and a dry bulb?


True or false: For non-conductive coatings up to 20 mils thick applied to conductive substrates, a low-voltage holiday detector is normally used to detect pinholes and other discontinuities.


What is the acronym for an instrument used to conduct the ASTM 4541 test, Standard Test Method for Pull-Off Strength of Coatings Using Portable Adhesion Testers?


What type of gages are used to measure the dry film thickness of coatings on concrete?


True or false: ASTM D4417 describes three methods for measuring surface profile of blast-cleaned steel using either a digital profile gage or a surface profile comparator or a portable stylus instrument.


What organization produces rubber replica templates to judge the degree of surface profile on concrete?


True or false: NACE and SSPC are the only organizations that certify coating inspectors.


True or False: ASTM D3359, “Standard Test Method for Measuring Adhesion by Tape Test,” measures the tensile adhesion of a coating.


How is profile measured in ASTM D4417?


True or false: The Performance Standard for Protective Coatings (PSPC) was created by ISO.


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


True or false: Prior to being used for measurements, all thermometers should be exposed to the environment they will be used in for sufficient time to allow them to stabilize, according to a recent JPCL article.


True or false: According to a JPCL article, one year is a good starting interval between calibrations of a magnetic dry film thickness gage.


One mil of coating thickness equals approximately how many microns?


A test that requires rubbing a clean black fabric across a painted surface evaluates what attribute of the paint?


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


True or false: There is no quantifiable test method for determining the surface profile on concrete substrates.


True or false: In creating the best appearance on a concrete polished floor, it is more important to achieve a higher specular gloss value than it is to achieve a high distinctness of image value.


True or false: An ultrasonic dry film thickness gage can accurately measure film thickness on steel edges.


What is the name of a rectangular metal tool used to deposit a specified thickness of wet coating on a test panel or other substrate?


True or false: A Tooke gauge can sometimes be used to measure the thickness of individual coats of paint within a multicoat system.


How many coating inspection companies are certified to SSPC-QP 5, Certification for Coating and Lining Inspection Companies?


True or false: Rubber replica templates from the American Concrete Institute can be used to judge the degree of surface profile on concrete.


True or false: Most sling psychrometers are less accurate than most electronic pyschrometers.


True or false: There is a quantifiable method for determining the surface profile on concrete substrates.


Which instrument below is used for continuity testing of coatings on steel?


What is the name for units of viscosity of paint as determined by testing with a Krebs-Stormer viscometer?


What organization issued a standard in 2012 for measuring the profile of concrete after surface preparation?


True or false: An ultrasonic dry film thickness gage can measure coating thickness on concrete, but not on wood substrates.


True or false: The Norwegian organization offering coating inspector training and certification is called BLESIO.


Replica tape increases in transparency where it is compressed. What feature of surface profile does this reveal?


True or false: The number of peaks in a steel surface profile after blast cleaning has an effect on coating performance.


Surface profile on steel, measured as peak to valley height of the roughness, has several other names, including which of the following?


What type of gages are used to measure the dry film thickness of coatings on concrete?


True or false: There is no good way to verify the dry film thickness of edge-retentive primers on steel edges in the field.


True or false: The various dry film thickness testing standards used around the world are significantly different from one another.


True or false: A wet sponge holiday detector is a spark tester.


Which of the following instruments is a destructive dry film thickness gage?


True or false: SSPC has a standard describing test methods for measuring surface profile.


Instruments used to detect moisture levels in concrete employ what technology?


Plastic shims are used to calibrate what quality control instruments?


True or false: ASTM has one pull-off adhesion test of coatings on concrete, and a separate one for coatings on metal substrates.


What is another name for a tensile adhesion test of coatings?


True or false: There is an inspection instrument that will measure the dry film thicknesses of each layer of a coating system in certain conditions.


True or false: The most widely used common name for a wet film thickness gauge is “squirrel gauge.”


True or false: The dry film thickness of coatings cannot be measured on non-ferrous substrates.


Surface profile on blast-cleaned steel, measured as peak-to-valley height of the surface roughness, has several other names, including which of the following?


What term denotes migration of a substance to the surface of a coating film?


What type of instrument is used to check the continuity of protective coatings on steel?


True or false: In addition to SSPC-PA 17, there are two ASTM standards on measuring surface profile of blast-cleaned steel.


The surface temperature of steel should be how much higher than the dew point temperature before you blast clean or paint?


True or false: A Tooke gage is an ultrasonic instrument used to measure the dry film thickness of coatings.


True or false: A needle gage is used to measure water pressure in a UHP water jetting system.


A PATTI instrument would be used to test what coating attribute?


At what dry film thickness is a high voltage rather than a low-voltage holiday detector required?


Which of the following is a destructive testing instrument for measuring the dry film thickness of coatings?


True or false: Relative humidity sensors used to determine moisture content of concrete slabs can produce fairly accurate results within an hour after probes are inserted into a slab, according to a manufacturer of the test equipment.


When assessing the moisture content of wood with a suitable moisture meter, what level of moisture is generally considered to be the upper limit for successful painting?


True or false: SSPC has a program to train and certify inspectors of coatings on concrete.


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


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


True or false: The SSPC Committee on Commercial Coatings is developing guides for laboratory testing, selecting, and assuring the quality of thick-film coatings on CMU assemblies.


What organization published a revised standard in 2012 on measuring dry film coating thickness that focuses on frequency of measurements and acceptablility of acquired results?


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


True or false: There are no quantitative methods for measuring the surface profile of concrete.


True or false: The number of peaks in the surface profile of a steel substrate has no measurable effect on the performance of coatings applied over it.


In relation to coatings technology, what is a “fingerprint technique”?


True or false: SSPC publishes a surface preparation standard for power tool cleaning that requires establishment of a profile on steel.


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


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


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


Which of the following instruments would most likely be used to assess the condition of a building?


True or false: In versions of SSPC-PA 2 published before the 2012 version, the standard addressed the measurement of dry film thickness of coatings on both ferrous and non-ferrous metals.


True or false: Scabbling produces a rougher profile on concrete than does air-abrasive blasting with sand.


Stormer and Brookfield are examples of what types of instruments?


True or false: Research by Roper, Weaver, and Brandon has shown that the peak count of surface profile after blast cleaning has no bearing on coating performance.


What is a Tooke gauge?


The thickness of a coating is sometimes expressed in mils, sometimes in mircrometers or microns. Which unit is thicker, 1 mil or 1 micron?


True or false: There is a quantitative test method for measuring surface profile of concrete.


True or false: A hypodermic pressure gauge is normally used to measure the working pressure of a plural-component spray system.


What is the name of a rectangular metal tool used to deposit a specified thickness of wet coating on a test panel or other substrate?


True or false: An eddy current gauge is used to measure dry film thickness of coatings non-destructively on concrete substrates.


True or false: A hygro thermometer is used to measure the moisture content and temperature of insulation on hot piping.


True or false: ASTM D7091 covers use of both magnetic and eddy current gauges for measurement of a coating’s dry film thickness.


On concrete block, dry-film coating thickness can be measured with what type of non-destructive instrument?


In measuring coating thickness, one mil equals approximately how many microns?


True Or False: ASTM D 7091 and SSPC-PA 2 deal with measurement of dry film coating thickness on both ferrous and non-ferrous metals.


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?


What instrument or device is used to determine steel profile roughness/peak count requirements as required in SSPC-SP 17 and described in ASTM D4417?


When replica putty is used to determine the surface profile of concrete according to ASTM D7682, Method A (visual comparison), what is the replica putty compared to in order to assess the profile depth?


What type of a coating contains an acid source, a carbon source, and a blowing agent?


How can a hygro thermometer be useful in coating work?


True or False: SSPC-SP 11, Power Tool Cleaning to Bare Metal, has no requirement for surface profile.


Press-O-Film is the name of what type of product?


Continuity testing of non-conductive coatings applied to a steel substrate is carried out with what type of instrument?


True or False: Silica sand and coal slag abrasive with the same particle size distribution will produce different profile depth ranges on blast-cleaned steel.


An elastomeric coating is most noted for what property?


True or False: The more turbid a liquid, the more clear it is.


What is another name for wet storage stain?


Which of the following methods for measuring surface profile is not described in ASTM D4417, “Standard Test Method for Field Measurement of Surface Profile of Blast Cleaned Steel”?


What is another name for the portable stylus instrument used to measure surface roughness of blast-cleaned steel?


What quality control device has the names Keane and Tator connected to it?


True or False: The PosiTest Air Leak Tester is a laboratory device for determining if mock-ups have air leaks.


True or False: ASTM D3359, “Standard Test Method for Measuring Adhesion by Tape Test,” measures the tensile adhesion of a coating.


True or False: Film build is normally achieved in application of thermal-sprayed zinc coatings by slowing the travel speed of the spray gun.


True or False: The plastic sheet method is a quantitative test for determining the extent of moisture in a concrete slab.


What organization has developed a method for measuring and replicating concrete surface profile using replica putty?


What organization created and sells rubber replica templates for determining the surface profile of concrete?


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: Amine blush is caused by UV exposure.


What does the anhydrous calcium chloride test measure?


What organization is developing a guide for testing the suitability of thin-film coatings as air barriers?


What organization developed a standard practice for building enclosure commissioning?


What instrument would you use to analyze soluble salt contamination on abrasives?


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.


What is the typical range for the peak-to-valley height of surface profile created on steel by power-tool cleaning to bare metal or abrasive-blast cleaning?


How is a Tooke Gage different from a magnetic dry film thickness gage in measuring dry coating thickness?


Which of the following pigments is most stable at high temperatures (above 500°F)?


True or False: An ultrasonic dry film thickness gage can successfully measure coating thickness on steel edges when an edge-retention primer is used.


Which of the following characteristics of a conventional, thin-film coating is easily tested in the field?


True or false: The number of peaks in a steel surface profile created by abrasive blast cleaning has no effect on coating performance.


True or False? Many coating manufacturers recommend a maximum relative humidity of 40% within a concrete slab before their flooring products are applied.


True or False? SSPC-PA 2 (2012) addresses the use of two types of gages for measuring dry film coating thickness.


What type of gages are used to measure the dry film thickness of coatings on concrete?


How is a Tooke Gage useful in failure investigations?


What degree of surface profile is required on concrete to be treated with a siloxane sealer?


What is the name of the metal bar used to deposit a specified thickness of wet coating film on a substrate?


A durometer measures what characteristic of a coating?


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?


ICRI recommends how much profile in its surface preparation requirements for polymer overlays on concrete?


True or False? Before electronic instruments became available to measure dew point and relative humidity directly, surface temperature thermometers were used to derive these readings.


What organization developed the Guide for Planning Coatings Inspection?


How is film build normally achieved during the thermal spraying of metallic coatings?


What is another term for surface profile on steel?


What is the first step in measuring dry film thickness?


True or false: An ultrasonic dry film thickness gage can measure coating thickness on concrete, but not on wood substrates.


Which of the following dry film thickness gages is destructive?


When assessing the moisture content of wood with a suitable moisture meter, what level of moisture is generally considered the upper limit for successful painting?


True or False: Air leakage into a building can generate much more moisture than moisture vapor transmission can.


Plastic shims are used with what quality-control instruments in coating work?


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


Holiday detectors rely on what functionality to detect voids in coating films?


True or false: The Sealant Waterproofing and Restoration Institute (SWRI) has a Wall Coating Validation Program “to provide specifiers and end-users of wall coating products an unbiased method to judge whether wall coating products will perform at the levels of the manufacturer’s published data sheet for that particular product.”


True or false: The number of surface profile peaks in abrasive-blast-cleaned steel has no effect on coating performance.


True or false: In abrasive blasting work, a dosimeter is used to measure exposure to abrasive blasting dust.


True or false: An SSPC standard was recently published to provide a standard set of acceptance criteria to determine compliance with surface profile requirements in project specifications.


True or false: The standard for non-destructive measurement of dry coating film thickness on concrete is different from the one used to measure dry coating film thickness on steel.


True or false: Rubber replica templates from the American Concrete Institute can be used to judge the degree of surface profile on concrete.


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


True or false: To hold the blast (prevent re-rusting of blasted steel) inside a tank, one effective measure is to use dehumidification to keep relative humidity below 50%.


How can a hygro-thermometer be useful in coating work?


True or false: A research study by Roper, Weaver, and Brandon indicated that the number of peaks in a steel surface profile created by abrasive blasting has no effect on performance of coatings applied to the steel.


True or false: Magnetic gages can be used for the non-destructive measurement of dry film thickness of coatings on concrete substrates.


How would you use a hypodermic pressure gage?


What is the minimum surface profile required to meet SSPC’s specification, Power Tool Cleaning to Bare Metal?


When production is stopped for inspection of coating work prior to moving on to the next step, what is this quality control step called?


What organization provides visual profile standards for concrete?


A conductivity meter is normally used to check for what contaminants on abrasive for blasting?


In which one of the following QC applications is a holiday detector (high or low voltage) normally not used?


True or False: SSPC’s recent revisions to SSPC-SP 11 and SSPC-SP 15 changed the standards’ requirements for surface cleanliness and minimum surface profile.


What two organizations recently worked cooperatively to revise their standards on measuring dry film thickness of coatings?


According to ASTM D 6083, what should be the minimum dry film thickness for elastomeric acrylic, cool roof coatings?


What organization recently issued a standard for measuring the profile of concrete after surface preparation?


True or false: There are no quantitative methods for determining levels of moisture in concrete floor slabs.


True or False: Testing standards for measuring dry film thickness of coatings (SSPC, IMO, ISO, and AS) are remarkably similar in their requirements for sampling and the number of measurements that have to be taken.


True or false: The anhydrous calcium chloride test for measuring moisture in concrete slabs is a qualitative rather than a quantitative test.


Which of the following coating adhesion tests is the least quantitative?


True or false: There is no quantifiable method for determining the surface profile on concrete substrates.


According to ASTM D6083, what should be the dry film thickness of an acrylic coating used in roofing?


Among the options below, which is the most important in achieving the specified surface profile on steel when you are air abrasive blast cleaning?


True or false: For non-conductive coatings up to 20 mils thick applied to conductive substrates, a high-voltage holiday detector is normally used to detect pinholes and other discontinuities.


True or false: Magnetic dry film thickness gages are used to measure the thickness of coatings over concrete.


What type of gage can be used in the field to accurately judge the dry film thickness of coatings on steel edges?


How can sponge blasting produce a profile on steel?


The measurement “mil” is often used to specify coating thickness, especially over steel and critical service for concrete. How big is a mil?


What happens to the existing profile on steel when UHP water blasting is used to remove rust and/or coatings?


True or false: The density of concrete prevents water vapor and gases from moving freely within the matrix.


What is the likely result of applying a relatively inflexible coating at a film thickness much higher than recommended by the manufacturer?


What organization recently conducted a study on the air barrier performance of conventional coatings applied at conventional film thicknesses?


Instruments used to test moisture in concrete or masonry walls are based on what principle?


SSPC is developing a revised version of its standard on measuring dry film thickness. What is the alphanumeric name of this standard?


In dealing with coating thickness requirements, 25 microns equals approximately how many mils?


True or false: Metal in direct summer sunlight will never be too hot to paint when the ambient temperature is 90 F.


True or false: The most accurate meters for detecting moisture within a concrete substrate are based on readings of temperature and humidity.


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


What information is necessary to compute dry film thickness from a wet film thickness reading?


What is the effect of air temperature on the pot life of a two-component coating?


What instrument is used for non-destructive measurement of the dry film thickness of coatings on concrete?


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


Which of the following is most likely to be the result of excessive profile depth on steel after blast cleaning?


True or false: From a wet film thickness measurement of an applied coating with a notch gage, it is possible to calculate what the dry film thickness will be.


If you need to answer a question about the surface profile requirements for blasted surfaces on a job, what document would you consult?


What type of gages are used to measure the dry film thickness of coatings on concrete?


True or false: Both SSPC and NACE have standards that describe how to measure dry film thickness of coatings on concrete.


Why would a test for moisture content of concrete be important prior to application of thick-film elastomeric coatings?


True or false: SSPC has a standard for measuring dry film thickness of paint over concrete substrates.


How does a dry film thickness measurement of a coating on steel take into account the blast profile on the steel?


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


True or false: The size of the steel shot used to shot-blast a concrete floor has no effect on the depth of the surface profile.


What US organization produces concrete surface profile chips to assess the level of profile achieved by surface preparation of concrete?


What is the effect on film build of increasing the solids content in a coating?


When a coating is specified to have an 8-mil dry film thickness, and its volume solids is 59%, what should be the wet film thickness of the coating?


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


True or false: In abrasive blasting, the harder the abrasive, the deeper the profile it is likely to generate.


What would be the most likely result of excessive profile on a steel substrate after abrasive blasting?


Dried salt deposits on a brick exterior (see photo), resulting from moisture leakage through a wall, are called what?


What is most likely to help you achieve the specified profile on the steel you are blast cleaning?


How is film build normally achieved during the thermal spray process?


According to ASTM D 6083, what should be the minimum dry film thickness for elastomeric acrylic cool roof coatings?


True or false: A research study by Roper, Weaver and Brandon indicated that the number of peaks in a steel surface profile created by abrasive blast cleaning affects coating performance.


Which of the following is not used for measuring the surface profile of cleaned steel?


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


Which of the following surface preparation methods for concrete produces the largest surface profile?


ICRI recommends how much surface profile in its surface preparation requirements for polymer overlays on concrete?


Surface profile on steel, measured as peak-to-valley height of the roughness, has several other names, including which of the following.


When assessing the moisture content of wood with a suitable moisture meter, what level of moisture is generally considered the upper limit for successful painting?


True or false: Gloss level is the main measure of slipperiness in a polished concrete floor.


Which of the following is a destructive film-thickness measurement instrument?


True or false: Both relative humidity and temperature differentials from one side to the other can drive moisture vapor through a block wall.


Which of the following can cause excessive surface profile?


Which of the following terms is out of place in the list?


True or false: In surface preparation operations, hackles are most likely to be formed on steel substrates when the blast abrasive is steel shot.


What organization has surface profile coupons that replicate the degrees of surface profile achieved by surface preparation on concrete floors?


True or false: SSPC has a standard for measuring dry film thickness on concrete substrates.


True or False: SSPC has a qualification procedure and certification program for companies that manufacture inspection instruments.


True or false: A moisture content of 30%, as measured by a moisture meter, is generally considered the upper limit for successful painting of wood.


Which of the following parameters affects the depth of the surface profile when steel is cleaned by abrasive blasting?


Which of the following can be a driving force for water absorption through a paint film to a steel substrate?


 
 
   

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