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Particle size (grain size): Quiz


Question 1: The Wentworth scale or Udden-Wentworth scale is used in the ________.
CanadaUnited StatesAlaskaPhilippines

Question 2: A modification of the Wentworth scale created by W. C. Krumbein, the Krumbein phi scale, is a ________ defined by:
Indefinite logarithmLogarithmic scaleInformation theoryDecibel

Question 3: In contrast, crystallite size is the size of a single ________ inside the grain.
SolidCrystal structureCrystalCarbon

Question 4: ________ uses an older system of grit size.
VelcroAbrasiveSandpaperCoated abrasive

Question 5: A single grain can be composed of several ________.
Crystal structureCarbonSolidCrystal


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