Daily Quiz (21)


True or false: High-voltage holiday detectors are used on coatings measuring 20 mils (500 microns) or less.


According to this JPCL Applicator Training Bulletin, low-voltage holiday detectors are used on coatings that are thinner than:


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


True or false: SSPC has a holiday detection standard.


True or false: In coating inspection work, a holiday detection test is carried out with a black light.


What is continuity testing of coatings?


True or false: A discontinuity and a holiday both describe the same type of application error.


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.


True or false: A discontinuity in a coating is a more serious flaw than a holiday.


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


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


True or false: “Discontinuity” and “holiday” mean the same thing in terms of application defects.


True or false: A spark test is another name for a low-voltage holiday detector test.


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


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


In coating work, what is a jeep test?


In the vernacular of painting, what is another name for “vacation?”


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


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


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: Wet sponge holiday detectors are used when coatings are 20 mils thick or thicker.


 
 
   

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