Preview File Edit View Go Tools Window Help 33333333 ENGI 1553 Materials and Pro

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Preview File Edit View Go Tools Window Help 33333333 ENGI 1553 Materials and Processes, Final Examination, Fall 2017 Siddiqui a) During rolling, deformation occurs primarily due to friction b) Press forging involves sudden application of force to induce plastic deformation c) Burnishing is used for small dimensional changes in a finished product d) Hubbing involves joining two parts where other segment of one part protrudes through the Answer: iv) a) Nickel raises the eutectoid point in steels b) Top of the line brass is commonly called alpha brass. c) Minimum percentage of Cr by weight for passivation to occur is 12% d) Stainless steels are widely used because of their excellent machinability Answer: v) a) Cold rolling can be used for improving bendability of plates. b) Hot extrusion can be easily performed on high strength materials c) Upsetting involves causing multi-directional flow by a forging operation d) Continuous forming is not possible using a cold working process Answer: D

Explanation / Answer

(3). Press forging involves sudden application of force to induce plastic deformation.

(4). Stainless steel are widely used because of their maintainability.

(5).Continuous forming is not possible using a cold working process..

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