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

4 votes

7.4k points

Please log in or register to add a comment.

4 votes

Answer:

t=63s

tempersture gradient -2.36 x 10⁴

Step-by-step explanation:

Yong answered Jul 29, 2021

by Yong

6.5k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

7.8m questions

10.5m answers