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Daily Quiz (12)

What causes the corrosion of rebar in concrete?

True or false: Plastic shrinkage cracking of concrete tends to occur during the first few hours after placement.

True or false: When soluble alkali ions react with chemically active forms of silica in concrete, the concrete deteriorates.

True or false: SSPC Guide 15 details how to test for the presence of chlorides on concrete substrates.

The accumulation of fats, oils and greases (FOG) can have what negative impact on sewer systems?

According to Fred Goodwin, one of JPCL’s Top Thinkers, the three Ds negatively affecting the durability of concrete are deterioration, damage and ... what else?

True or false: Destructive testing for measuring humidity in concrete flooring requires the use of jack hammers.

With what concrete finish method are you likely to see such problems as fins, protrusions and form release agents?

What is the name of the thin, weak surface layer that forms on concrete during pouring and finishing?

Which surface defect is normally associated with concrete?

What is the name of the thin, weak surface layer of concrete that forms during pouring or finishing?

Which of the following is a common contaminant on an exterior concrete wall that should be removed before coating?


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.

Nationwide Overspray
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.

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

Graco Inc.
Graco Mortar Pump

The M680 sprays epoxy-based mortars, anti-skid coatings, cementitious and filled materials. Compact.
Easy to use.
Call 877-844-7226 or

Sherwin-Williams Protective & Marine Coatings

With 4,000 distribution points and 3,700+ years of experience, Sherwin-Williams delivers the products, support and expertise you need, right where you need it.

DeFelsko Corporation
PosiTector 200 for concrete

Rugged, simple and affordable coating thickness gage for concrete measures protective coatings including polyurea.

HoldTight Solutions Inc.

Our HoldTight®102 salt remover & flash rust preventer prevents flash
rust by removing surface contaminants. It has no equal; only wannabees.
Contact us for your
nearest distributor.
(800) 319.8802

SAFE Systems, Inc.
Custom blast rooms
by SAFE Systems

Don't waste time and money "making do" with a "standard" design. Let us work with you to design and build the
system that best fits
your requirements.
Call 1-800-634-7278

Jessup Manufacturing Company
More Traction for Extreme Marine Conditions

Jessup Safety Track® 3800 Military Grade peel-and-stick non-skid tapes and treads provide extra slip resistance for decks. MIL-PRF-24467C Type XI, Black & Gray.

Technology Publishing

The Technology Publishing Network

The Journal of Protective Coatings & Linings (JPCL) PaintSquare
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