4) Which arches is also called as lancet arches?

5) What is minimum range on wall provided for timber lintel bearing?

6) What is the centre to centre distance of stirrups at end in R.C.C Lintel?

7) What is ratio of CC used in RCC lintel?

8) What is the name of member, in centering of arches, a thick wooden plank shaped to the curvature of arch and it is supported by props?