Correct option is C
| Electrical Conductivity |
Class |
| Low salinity water |
|
| 250-750 |
Medium salinity water |
| 750-2250 |
High salinity water |
| > 2250 |
Very high salinity water |
| Electrical Conductivity |
Class |
| Low salinity water |
|
| 250-750 |
Medium salinity water |
| 750-2250 |
High salinity water |
| > 2250 |
Very high salinity water |
The minimum density (g/cc) of corrugated and semi-corrugated asbestos cement sheets considered acceptable for construction purposes by the Indian standard is: