The gas tank consists of a cylindrical section with two hemispherical endcaps. The cylinder has a diameter of 75 cm and a wall thickness of 2 cm. If the allowable circumferential stress is 150 MPa and longitudinal stress is 100 MPa, find the maximum allowable internal pressure in the tank. Answer:  P

5-111 The pressure vessel shown in Fig. P5-111 has an inside diameter of 3 ft and a wall thickness of 0.375 in. The internal pressure is 300 psi. Determine the maximum load P that may be applied if the maximum axial normal stress cannot exceed 18 ksi. Figure P5-111 P می P

The pressure tank is fabricated from spirally wrapped metal plates that are welded at the seams in the orientation shown. The tank has an inside diameter of 700 mm and a wall thickness of 8.9 mm. For a gage pressure of 1.27 MPa, determine (a) the normal stress perpendicular to the weld (use positive for tension, negative for compression) and (b) the shear stress (absolute value) parallel to the weld. Assume = 51. s Answers: (a) Normal stress= (b) Shear stress - MPa MPa

A thin-walled pressure vessel is made of steel with a thickness of 2 mm and an internal diameterof 300 mm. It is subjected to an internal pressure of 10 MPa. Determine the hoop stress andlongitudinal stress developed in the vessel.