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Mandrel is a part of tube drawing mechanism, which is used for extracting out the tube from drawing mechanism.

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Mandrel is a part of tube drawing mechanism, which is used for extracting out the tube from drawing mechanism.

(a) True

(b) False

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Asked question is from Tube Making in section Miscellaneous Forming Processes of Casting-Forming-Welding II

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Right option is (b) False

Best explanation: In the tube drawing process, when a hollow tube is drawn through a die, usually a mandrel or plug is used, which basically supports the internal diameter of the tube. The function of the mandrel mainly is to affect the wall thickness reduction and also used for controlling the shape and size of the hole in the tube.

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