Environmental Engineering
Across
- 3. Technique used to remove leaves/dead insect from water.
- 6. it should be removed before using water.
- 7. One of the ultimate source of water is?
- 9. Process in which chemicals is used for removing hardness from water.
- 12. Pump used for mixing of coagulant.
- 14. Produces a positive electrical charge.
- 15. When temporary hard water is boiled, one of the substances formed is?
- 17. Ca(HCO3)2 + Ca(OH)2 =?
- 19. Process involved in Slow sand filter.
Down
- 1. Constituent that causes hardness.
- 2. Max time taken by Injection aerators.
- 4. Most reliable and economical distribution system.
- 5. The process of killing the infective bacteria from the water.
- 8. Both temporary and permanent hardness of water can be removed by?
- 10. Both temporary and permanent hardness of water can be removed on boiling water with?
- 11. For efficient water distribution pressure must be..
- 13. The purest form of naturally occurring water is?
- 16. Acid used mostly for removal of milk stone is?
- 18. Discharge of fountain aerators
- 20. The basic process to get rid of bad smell from water.