railway RRB JE (CBT I + CBT II) Mock Test 2024 Construction Materials and Management Building Component
Which of the following is true with respect to non-structural cracks?
1
Result in extensive cracking of foundations, slabs, etc.
2
They are usually very difficult to repair and rectify.
3
They are caused by atmospheric variations on building materials.
4
They are a threat to the structural stability of a building.