1.

The state of two dimensional stress acting on a concrete lamina consists of a direct tensile stress of 6 MPa and shear stress of 4 MPa, which cause cracking of concrete. Then the tensile strength of the concrete in MPa is

A. 6 MPa
B. 8 MPa
C. 10 MPa
D. 12 MPa
Answer» C. 10 MPa


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