The cylindrical air tank is made of 0.5-inch-thick rectangular plates 12 ft welded together as shown. If the allowable normal stress perpen- dicular to the weld is 12 ksi, determine the maximum allowable gage pressure in the tank. 20 ft

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A:

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Stress transformation

The term stress indicates the measure of internal forces that develop due to an external force's application on an object. When a specific external force is applied to an object, internal stress generates in the material. The value of stress can obtain by taking the ratio of the externally applied force and cross-sectional area of the object. There are different types of stress depending on the type of external force.