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Daily Quiz (9)


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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Blastox/The TDJ Group, Inc.
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Modern Safety Techniques
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Hempel (USA) Inc.
HEMPEL PROTECTIVE COATINGS

Efficient systems and high quality products to reduce your maintenance costs. Visit Hempel Protective for more information.


AGC Chemicals
LUMIFLON® FEVE Resins used in 2014’s Tank of the Year

LUMIFLON based coatings can last up to 30 years without fading, offering a low-
maintenance solution that retains color and gloss and can be field-applied.


DeFelsko Corporation
PosiTector Inspection Kits

PosiTector 6000 Coating Thickness Gage easily converts to a surface profile gage, dew point meter or ultrasonic wall thickness gage with a simple probe change.


Wasser High-Tech Coatings Inc.
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NLB Corporation
VacLance cleans up as you do surface preparation

Add vacuum recovery to any NLB rotating water jet lance with a VacLance attachment and vacuum source. Model DM32283 works vertically, horizontally and in corners.

 
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