A solid shaft in a rolling mill transmits 30kW at 100 rpm. Find the diameter in mm of the shaft so as not to exceed a shearing stress of 80 MPa and an angle of twist of more than 10 degrees in a length of 8 meters. G = 83 GPa O 63.75 O 56.70 O 63.35 O 54.80

A solid shaft in a rolling mill transmits 30kW at 100 rpm. Find the diameter in mm of the shaft so as not to exceed a shearing stress of 80 MPa and an angle of twist of more than 10 degrees in a length of 8 meters. G = 83 GPa O 63.75 O 56.70 O 63.35 O 54.80

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Forming and Shaping

Metal forming is a category of metalworking process through which the material can be given the desired shape and size by subjecting it to plastic deformation, where the component undergoes bulk deformation process upon application of loads. Unlike the shearing and machining process, the material does not undergo up to a failure point as indicated in the stress-strain curve. Hence, the stresses induced during the forming process are greater than yield strength but less than the failure strength of the material. The process does not lead to the loss of material, so it can be said to be an economical process. During forming, the material is subjected to tensile forces, compressive forces, bending, and shearing loading conditions. The material should possess the property of ductility to undergo the forming process.

Question

A solid shaft in a rolling mill transmits 30kW at 100 rpm. Find the diameter in mm of the shaft so as not to
exceed a shearing stress of 80 MPa and an angle of twist of more than 10 degrees in a length of 8 meters. G =
83 GPa
O 63.75
O 56.70
O 63.35
O 54.80

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