A solid cube of side 1 m is kept at a room temperature of 32 C. The coefficient of linear thermal expansion of the cube material is 1 10-5/ and the bulk modulus is 200 GPa. If the cube is constrained all around and heated uniformly t o 42 C, t hen t he magnit ude of volumetric (mean) stress (in MPa) induced due to heating is _____.

A solid cube of side 1 m is kept at a room temperature of 32 C. The co

1.	A solid cube of side 1 m is kept at a room temperature of 32 C. The coefficient of linear thermal expansion of the cube material is 1 10^-5/ and the bulk modulus is 200 GPa. If the cube is constrained all around and heated uniformly t o 42 C, t hen t he magnit ude of volumetric (mean) stress (in MPa) induced due to heating is _____.
A.	60 MPa
B.	59 MPa
C.	58 MPa
D.	61 MPa
Answer» B. 59 MPa

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