A spherical shell of 1.2 m internal diameter and 6 mm thickness is filled with water under pressure until volume is increased by 400´103 mm3. If E = 204 GPa, Poisson's ratio v = 0.3, neglecting radial stresses, the hoop stress developed in the shell will be nearly

A spherical shell of 1.2 m internal diameter and 6 mm thickness is fil

1.	A spherical shell of 1.2 m internal diameter and 6 mm thickness is filled with water under pressure until volume is increased by 400´103 mm3. If E = 204 GPa, Poisson's ratio v = 0.3, neglecting radial stresses, the hoop stress developed in the shell will be nearly
A.	43 MPa
B.	38 MPa
C.	33 MPa
D.	28 MPa
Answer» B. 38 MPa

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A spherical shell of 1.2 m internal diameter and 6 mm thickness is filled with water under pressure until volume is increased by 400´103 mm3. If E = 204 GPa, Poisson's ratio v = 0.3, neglecting radial stresses, the hoop stress developed in the shell will be nearly

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