1044. For masonry built in 1:1:6 cement-lime-sand mix mortar or equivalent, the horizontal shear stress permissible on the area of a mortar bed joint is_______________? September 7, 2025 by Admin A. 0.15 MPa B. 0.125 MPa C. 0.1 MPa D. 0.075 MPa ✅ The correct answer is option A.