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Daily Quiz (14)


True or false: Concrete repair materials can be created to match the appearance of the original concrete.


True or false: In general, thicker toppings over horizontal concrete require minimal profile.


What organization publishes a guide for selecting concrete repair materials?


True or false: A Bresle patch is used to treat dynamic cracks in concrete, especially in secondary containment structures around tanks.


What surface preparation method for concrete produces the largest profile?


True or false: The main reason for using citric acid to etch concrete is to create a profile coarser than that created by other etching agents.


ICRI recommends how much profile in its surface preparation requirements for polymer overlays on concrete?


True or False? Aesthetic repairs to concrete, in which the repair materials match the appearance of the original concrete, are possible only with the use of coatings.


True or false: Aesthetic repairs to concrete, in which the repair materials match the appearance of the original concrete, are possible only with the use of coatings.


According to a survey conducted by the Corps of Engineers, about what percentage of concrete repairs were rated as achieving results less than good (fair, poor, or failed).


Which of the following organizations has standards for selecting and using concrete repair materials?


True or false: The American Concrete Institute (ACI) has a guide to selecting concrete repair materials.


True or false: Both the International Concrete Repair Institute (ICRI) and the American Concrete Institute (ACI) have guides for selecting concrete repair materials.


True or false: There is an ASTM test method for comparing relative performance of concrete repair mortars in their resistance to cracking.


 
 
   

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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.


WINOA Group
W Abrasives : Shot Peening Solutions

W Abrasives has developed an exclusive range of products to boost your peening and blasting performances.


CS Unitec
Surface Prep & Material Removal

CS Unitec’s Floor Planers remove coatings & corrosion from concrete & metal surfaces. Produce keyed profiles for waterproofing applications. info@csunitec.com


Armorthane
Corrosion Coatings for Protection and Repair

Buy POLYURETHANE or POLYUREA coatings and spray surfaces for years of proven chemical resistance, water- and weather-proofing, and structural improvements.


Novetas Solutions
Number 1 Crushed Glass Abrasive in America!

Manufactured from 100% Recycled Glass.
NO Crystalline Silica,
Beryllium & Arsenic
Great White Metal Finish!
4 plants on Navy QPL
Call us at 866-775-6226


Bullard

The Next Generation
of Blasting

• Lightest
• Coolest
• Most Comfortable
• Most Dependable


Modern Safety Techniques
Modern Safety Techniques

With our unique LTCat, we can help to provide clean, safe breathing air to your workers. Take a look at our Breathing Air Systems, we supply at least twice as much charcoal as our competitors! Modern


Industrial Vacuum Equipment Corp.
Hurricane Vacuums
& Dust Collectors

Vacuum and dust collector hose, filters and related accessories.
IndustrialVacuum.com


Fischer Technology Inc.
MP0R with rotating display screen

Automatic rotating display screen just like your smart phone. Click for Video
Call 800-243-8417

 
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