Fine Abrasives Are Called Powders or Flours and Are Graded

question 9

Multiple Choice

Fine abrasives are called powders or flours and are graded F, FF, and FFF for increasing fineness; these characteristics best describe which of the following abrasives?

• A) Grit or grade
• B) Particle size
• C) Particle hardness
• D) Particle strength

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Definitions:

US Laborers

Refers to workers in the United States, particularly those engaged in manual or industrial jobs, and their roles within the nation's workforce and economy.

Foreign-born

Individuals living in a country who were not born there, often contributing to the cultural diversity and population growth of the host nation.

Railroad Industry

A sector of the economy involving the operation of trains and tracks for the transportation of goods and passengers, playing a key role in industrial development.

1870

The year that marks a significant period post-Civil War in the United States, characterized by Reconstruction efforts and the early stages of industrialization.