Choose or given the correct answer in each of the following: In a rod under axia

Question

Choose or given the correct answer in each of the following: In a rod under axial loading, which of the following stresses are present? a) Normal stresses, b) Shear stresses, c) Both stresses, d) Neither of the stresses. Draw the stress components on cube under general loading conditions. How many stress components are needed to define the why? For the figure shown, find shearing stress in pin if diameter is 8mm and F=40kN. In the figure shown, calculate the shearing surface area if D = 180mm and t=8mm. Hook's law is valid as long as: i) Yield stress is not exceeded, ii) Ultimate stress is not exceeder iii) Allowable stress is not exceeded, iv) Necking has not started Which of the following you will NOT find in tables of materials property Allowable stress, b) Ultimate stress, c) Yield stress, d) Breaking stress

Explanation / Answer

1. (a) Normal stress. Normal Stress is present since when a body is placed under axial load, the plane normal to the axis contains only the normal stress.

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