For masonry work with solid bricks, consistency of mortar should be

A free standing brick wall 20 cm thick is subjected to a wind pressure of 75 kg/m². The maximum height of wall from stability consideration is

A. 0.64 m

B. 0.96 m

C. 1.28 m

D. 1.5 m

For masonry work with solid bricks, consistency of mortar should be

A. 5 to 8 cm

B. 9 to 13 cm

C. 14 to 18 cm

D. 19 to 23 cm

Minimum thickness of stiffening wall for 1 to 3 storeys shall not be less than

A. 10 cm

B. 15 cm

C. 20 cm

D. 30 cm

The thickness of each leaf of a cavity wall shall not be less than

A. 5 cm

B. 7.5 cm

C. 10 cm

D. 15 cm