engineering recuitment BMC JE Mock Test 2024 Construction Materials and Management Bricks and Mortar
As per IS 3495 part-3 (1992), soluble salts, if present in bricks, will cause efflorescence on the surface of bricks. If the white deposits cover about 10% of the surface, the efflorescence is said to be ________.
1
nil
2
slight
3
moderate
4
heavy
5
None of the above