Engineering Questions with Answers - Multiple Choice Questions

Manufacturing Processes – Annealing – 9

1 - Question

Grain cells having a number of sides _____ have grain walls which are concave inwards.
a) >3
b) <6
c) <8
d) >5
View Answer Answer: b
Explanation: The cells with less than 6 sides have walls that are primarily concave toward their centres. Those cells with more than 6 sides have walls convex toward their centres, this effect is more pronounced the larger the number of sides above 6.

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