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Daily Quiz (11)

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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Profession Overspray Removal Services

The Finest Name in Safe Overspray Removal. We specialize in removing all contaminants from any surface. Family Owned and Operated for 33 years! Fully insured. Satisfaction is guaranteed.

Graco Inc.
Graco Mortar Pump

The M680 sprays epoxy-based mortars, anti-skid coatings, cementitious and filled materials. Compact.
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SABRE Autonomous Solutions
Safety, Productivity, Quality. Robotic Blasting

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

SSPC: The Society for Protective Coatings
SSPC 2016 Register Now!

SSPC2016 is earlier this year, don't forget to book your plane tickets and hotel. See you soon. For more information visit

AGC Chemicals
The Akashi-Kaikyo Bridge is the LUMIFLON® Coatings Poster Child

LUMIFLON based coatings can last up to 30 years without fading, reducing life-cycle costs, re-application or replacement of underlying surfaces.

Armakleen Company, The
ARMEX when nondestructive cleaning is critical

When cleaning substrates that cannot be damaged the only blast abrasive to use is ARMEX. Other blast abrasives can remove surface materials damaging the substrate.

Monti Tools, Inc.

Surface cleanliness of SSPC-10 | Anchor profile up to 4.7 mils | Removes corrosion & coatings | ATEX approved for zone 1 | | 832-623-7970

Larson Electronics
Larson Electronics Explosion Proof Tank Lighting

Larson Electronics is a premium supplier and manufacturer of portable explosion proof lighting systems for tank cleaning and servicing lighting.

NLB Corporation
Water Jets in Action

Video demo shows how
easily Vortex™ removes
coatings and more. Lawn-
mower-style water jet unit strips floors, ship decks, etc. quickly and keeps debris contained.

Avalotis Corporation
Choose experience. Choose quality. Choose safety.

Avalotis Corporation has been meeting and exceeding clients’ specifications and expectations for almost 50 years. The first name in painting and protective coatings: Avalotis.

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