GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
11. | When a brick is immersed in water for 24 hours and then dried, if | |
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 | |
D. | All the above. | |