railway RRB JE (CBT I + CBT II) Mock Test 2024 Construction Materials and Management Miscellaneous Material
How much is the specified average minimum flexural strength of Class 3 flooring tile, according to IS 1478:1992?
1
2.5 N/mm width
2
3 N/mm width
3
3.5 N/mm width
4
6 N/mm width