From the symmetry and orthogonality of principal planes ____________ – McqOptions

MCQOPTIONS

1.	From the symmetry and orthogonality of principal planes ____________
A.	both horizontal and vertical planes will be devoid of shear stress
B.	both horizontal and vertical planes will have shear stress
C.	only vertical plane has shear stress
D.	only horizontal plane has shear stress
Answer» B. both horizontal and vertical planes will have shear stress

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