1064. For strengthening a 50 m long and 5 m high straight compound wall built in brick work, which one of the following would be most suitable?

A. providing buttresses at certain intervals
B. providing a deeper foundation
C. using a richer mortar
D. using stronger bricks
✅ The correct answer is option A.

1068. In the case of panel wall subjected to horizontal loads at right angles to the plane of the wall, with the mortar not leaner than Ml type, tensile stress in bending in the vertical direction may be allowed to the extent of _______________?

A. 0.4 kg/cm2
B. 0.7 kg/cm2
C. 1.0 kg/cm2
D. 1.2 kg/cm2
✅ The correct answer is option C.