A typical aluminum-alloy scuba diving tank is shown. The outside diameter of the tank is 200 mm and the wall thickness is 12 mm. If the air in the tank is pressurized to 20 MPa, determine: (a) the longitudinal and hoop stresses in the wall of the tank. (b) the maximum shear stress in the plane of the cylinder wall. (c) the absolute maximum shear stress on the outer surface of the cylinder wall.

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A typical aluminum-alloy scuba diving tank is shown. The outside diameter of the tank is 200 mm and the wall thickness is 12 mm. If the air in the tank is pressurized to 20 MPa, determine:

(a) the longitudinal and hoop stresses in the wall of the tank.

(b) the maximum shear stress in the plane of the cylinder wall.

(c) the absolute maximum shear stress on the outer surface of the cylinder wall.


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