When a brick is immersed in water for 24 hours and then dried, if« Back to Previous Page

A. no grey or white deposits appear on the surface, the brick is free from soluble salts B. 10 per cent surface is covered with grey or white deposits, the brick has slight efflorescence C. 50 per cent surface is covered with grey or white deposits, the brick has serious efflorescence
Posted by Civil Engineer
Asked on June 7, 2016 3:29 pm
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A. no grey or white deposits appear on the surface, the brick is free from soluble salts B. 10 per cent surface is covered with grey or white deposits, the brick has slight efflorescence C. 50 per cent surface is covered with grey or white deposits, the brick has serious efflorescence

Posted by Civil Engineer
Answered on June 9, 2016 3:55 pm