railway RRB JE (CBT I + CBT II) Mock Test 2024 Construction Materials and Management Miscellaneous Material
In which stone masonry, the face joints should not exceed 20 mm in thickness and the percentage of chips used is not to exceed 15% of quantity of stones in the masonry?
1
Coursed rubble masonry of the second sort
2
Ashlar stone masonry
3
Coursed rubble masonry of the first sort
4
Random rubble masonry