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17 February, 22:41

The gradual and uniform cooling of glass that has been heated in order to relieve random internal stresses is ... Group of answer choices annealing tempering quenching heat treating

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  1. 18 February, 02:29
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    Answer: Annealing

    Explanation:

    In the manufacturing of glass, Processes such as expansion when glass heats and cooling when it contracts are involved. These build up random internal stresses which can cause cracks and breakage when finally cooled at room temperature. To relieve these stresses, Annealing is carried out on glass during the manufacturing process.

    Annealing is the process whereby the temperature during the process of the manufacturing of glass is reduced and maintained at a uniform rate so that it undergoes a gradual cooling process. so as to make the glass tough and reduce internal stress.
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