3 In a tempering process, glass plate, which is initially at a uniform temperature Ti , is cooled by suddenly reducing the temperature of both surfaces to Ts. The plate is 20 mm thick, and the glass has

asked Jul 24, 2021 76.7k views

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4 votes

Answer:

t=63s

tempersture gradient -2.36 x 10⁴

Step-by-step explanation:

Yong answered Jul 29, 2021

by Yong

7.5k points

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