List 4 issues that need to be considered when selecting a factor of safety in an...

List 4 issues that need to be considered when selecting a factor of safety in an

engineering design.

2-

What is the difference between yield strength and ultimate tensile strength of a material?

Expert Solution

Answer :

1.) There are no of points that are considered while selecting factor of safety, Because our formulas does not include phenomenons like creep, yield, wear, tear and so on. . Few of them are as follows ;

a.) The amount or intensity of stress concentration to components and which component will be subjected to more intense stress or more often.

b.) form tempuature point of view - how temprautre change affecting the materil be used or if there thermal cycling of extreme temp exposure issue

c.) wear and tear of the material of part of it considering its motion type.

d.) is the material is subjected to regular maintaince or at fixed interval

2.) Yeild strength of a material is maximum stress value at wich the permanent defromation of material starts to happens. Or we can simply say it is the limit which a material cna withstand the stress before it is deformed plastically.

while the ultimate strength or tensile strength of material is maimum amount of tensile stress that can be withhold before failure occurs.

samet mamat answered 2 years ago

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