The maximum possible draft in rolling which is the difference between initial and final thickness of the sheet metal, depends on A. Rolling force B. Roll radius C. Roll width D. Yield shear stress of the material

In rolling process 40mm thick plate is rolled to 20mm in two high rolling mills. Roll diameter is 200mm the angle of contact is 15degree. Determine no of roll passes required to obtain final desires thickness

Maximum reduction in thickness for one pass in rolling process is Ahmas that can be expressed by Ah = u'R, where u is coefficient between contact surfaces and R is roller radius. Then, angle subtended by the deformation zone for u =0.1 (in degree) is friction max

6) 32. Initial volume of the billet is same final volume in forging process. Select one: True False

Please provide answer both , no need to explain only give correct answer

What are the fundamental problems in Shear stress?

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