A welded steel cylindrical drum made of a 10 mm thick plate has an internal diameter of 1.20 m. Find the change in diameter that would be caused by internal pressure of 1.5 MPa. Assume that Poisson's ratio is 0.30 and E = 200 GPa (longitudinal stress, σy = pD/4t circumferential stress, σx = pD/2t).

A welded steel cylindrical drum made of a 10 mm thick plate has an in

1.	A welded steel cylindrical drum made of a 10 mm thick plate has an internal diameter of 1.20 m. Find the change in diameter that would be caused by internal pressure of 1.5 MPa. Assume that Poisson's ratio is 0.30 and E = 200 GPa (longitudinal stress, σy = pD/4t circumferential stress, σx = pD/2t).
A.	4.590 mm
B.	0.459 mm
C.	45.90 mm
D.	0.0459 mm
Answer» C. 45.90 mm

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