The term defined as the wearing away of metal caused by heat and friction is:

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Multiple Choice

The term defined as the wearing away of metal caused by heat and friction is:

Explanation:
Scoring refers to the formation of shallow grooves or scratches on a metal surface caused by sliding contact and the heat generated by that friction. It’s a specific type of wear where metal is removed in a patterned way, producing visible scored lines. Abrasion is a broader term for material loss from rubbing or scraping, but it doesn’t inherently imply the distinct groove pattern caused by friction between metal surfaces. Erosion involves wear from moving fluids rather than direct metal-to-metal friction. So, the description best matches scoring.

Scoring refers to the formation of shallow grooves or scratches on a metal surface caused by sliding contact and the heat generated by that friction. It’s a specific type of wear where metal is removed in a patterned way, producing visible scored lines. Abrasion is a broader term for material loss from rubbing or scraping, but it doesn’t inherently imply the distinct groove pattern caused by friction between metal surfaces. Erosion involves wear from moving fluids rather than direct metal-to-metal friction. So, the description best matches scoring.

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