Question

The primary purpose of annealing is to improve transparency of glass.

(a) True

(b) False

The question was posed to me during an online exam.

This key question is from Manufacture of Glass in division Glass Packaging Materials of Food Packaging Technology

Answer 1

Correct choice is (b) False

To explain I would say: The given statement is false. The function of the annealing lehr is to produce a stable product by removing any residual stresses resulting from non-uniform cooling rates during forming and handling.