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Daily Quiz (14)


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.


 
 
   

Industrial Vacuum Equipment Corp.
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N.T. Ruddock Co.

Our Abrasives Hold Up Under Pressure

N. T. Ruddock focuses on abrasive selection, equipment evaluation, equipment maintenance & reduction of abrasive consumption. Other services include Screen Analysis & Background Radiation Testing.


SAFE Systems, Inc.
Portable Dust Collectors for Tough Environments

Trailer and skid-mounted models in numerous sizes, powered by electric and/or diesel. Sloped roofs, multiple dust inlets, high static, dampered fans. Lockable power & drive compartments.


SABRE Autonomous Solutions
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Learn how this simple to use, field deployed, automatic robot is eliminating hazards in major confined, cluttered and complex surface preparation projects.


Detail Masters
Overspray Removal

We offer professional, turnkey service and unparalleled quality!
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Novatek Corporation
Novatek Corporation, Dustless Coatings Removal

Strip, clean and profile all dust free! Comply with new lead standards. Contact today: (866) 563-7800


Clemco International GmbH
Global engineering-trusted solutions

For more than 70 years, Clemco has provided the highest quality blast equipment with a total commitment to comfort and safety.


HoldTight Solutions Inc.
NO FLASH RUST - NO CONTAMINANTS

Our HoldTight®102 salt remover & flash rust
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KTA-Tator, Inc. - Corporate Office
KTA Analyzes
Coating Failures

• Field Diagnosis
• Lab Diagnosis
• Determination of Cause
• Recommendations
www.kta.com
Call 1-800-245-6379

 
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