iv) a) Nickel raises the eutectoid point in steels b) Top of the line brass is c
ID: 1766939 • Letter: I
Question
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 pl 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 processExplanation / Answer
IV) (C)Minimum percentage of Cr by weight for passivation to occure is 12%
As the character of stainless occurs when the concentration of chromium exceeds about 12% of its weight
V) D)Continuously forming is not possible using a cold working process
Because hot working helps to continuous reform.
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