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Rolling and Extrusion - II Starter Quiz

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Question 1

In the rolling process, the roll separating force can be decreased by __________.

Question 2

Which one of the following is the correct temperature range for hot extrusion of copper?

Question 3

Friction force is detrimental in case of rolling____.

Question 4

There is no friction between billet and workpiece in which extrusion process.

Question 5

In single pass rolling process if area is reduced by half, the elongation factor is_____.

Question 6

If the extrusion ratio is 20, the percentage reduction in the cross-sectional area of the billet after the extrusion will be.

Question 7

Collapsible tooth paste tubes are manufactured by ________.
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