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Daily Quiz (31)


In a concrete polishing specification, which of the following is a prescriptive rather than a performance requirement?


True or false: Both wet polishing and dry polishing are used to create polished concrete.


True or false: According to the Concrete Polishing Council of the American Society of Concrete Contractors, the grinding stage of the concrete polishing process is carried out with bonded abrasive of 100 grit or lower.


True or false: Guard products or stain protectors for polished concrete floors are not breathable.


True or false: Aggregate exposure on a concrete floor designated as “cream” by the Concrete Polishing Association (CPAA) is defined as “fine aggregate exposure with little or no medium aggregate exposure at random locations.”


True or false: In creating the best appearance on a concrete polished floor, it is more important to achieve a higher specular gloss value than it is to achieve a high distinctness of image value.


In concrete polishing work, an appearance defined as a Level 4 sheen and a cream aggregate exposure is the most expensive to produce.


True or false: A new concrete surface finished with a power trowel would tend to have low porosity.


Which of the following materials is used to densify concrete?


How does terrazzo differ from polished concrete?


True or false: SSPC has a committee to qualify contractors to install polished concrete floors.


True or false: Among concrete polishing technologies, there are now polishable dyes and toppings.


What term is used by the Concrete Polishing Association of America (CPAA) to describe the condition when a diamond tool has refined a concrete surface to the point when it no longer cuts the surface, or cuts very little?


What is the minimum number of abrasive passes suggested as necessary by the CPAA to achieve Level 4, highly polished concrete?


True or false: According to a recent D+D article, maintenance procedures and costs for polished concrete floors can be up to 70% lower than for other floor coverings.


True or false: The most accurate way to specify the finish on a polished concrete floor is to refer to grit levels, such as an 800-grit finish.


In the Concrete Sawing and Drilling Association’s CSDA ST-115 standard on polished concrete, what does the value Ra stand for?


The term “guard” is used to describe a product in what technical discipline?


True or false: According to the Concrete Polishing Association of America, the danger of slipping on polished concrete floors tends to be greater than that of most other floor coverings.


In concrete polishing, what is the term used to describe the point when the diamond tool has refined the surface to the degree to which it no longer cuts, or cuts very little, under its current weight and variables as defined by the Concrete Polishing Association of America (CPAA)?


True or false: In creating the best appearance on a concrete polished floor, it is more important to achieve a higher specular gloss value than it is to achieve a high distinctness of image value.


What term is used by the Concrete Polishing Association of America to describe the condition when a diamond tool has refined a concrete surface to the point when it no longer cuts the surface, or cuts very little?


Which of the following chemistry types are used as densifiers for the concrete polishing process?


True or false: Polished concrete flooring is maintenance-free after it has been applied.


What is the main purpose of lithium silicate in the diamond polishing of concrete?


What is one difference between polished concrete and terrazzo?


True or false: Grinding, densifying, honing, and polishing is the typical sequence of surface preparation steps in creating a polished concrete floor.


Which of the following organizations is dedicated to the advancement of concrete polishing?


What makes polished concrete (by dry grinding) a contributor to green building objectives?


Which of the following chemistry types are used as densifiers for the concrete polishing process?


Resin-bonded diamonds are used for what purpose?


 
 
   

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