Consider the following statements on cement mortar in brick masonry:
1. Cracking in brick masonry in most of the cases is due to differential movement of the structure.
2. Rich mix cement mortar in brick masonry makes the structure unnecessarily rigid.
3. Small quantity of hydrated lime in cement mortar reduces the shrinkage crack
Which of these statement are correct?1
1, 2 and 3
2
1 and 2
3
2 and 3
4
1 and 3