Select the correct statement(s) related to the qualities of a good building stone.
(i) The crushing strength in N/mm2 of diorite is in the range of 180 to 185.
(ii) The crushing strength in N/mm2 of laterite is in the range of 1.80 to 3.10.
(iii) The crushing strength in N/mm2 of gneiss is in the range of 206 to 370.
1
Both (ii) and (iii)
2
Both (i) and (ii)
3
Only (iii)
4
Only (i)
5
Question Not Attempted