Which one of the following statements is correct ?
Which one of the following statement is correct ?
Acid regression stage of sludge digestion at a temperature 21°C extends over a period of______________?
No treatment of the sewage is given if dilution factor is_____________?
The pressure exerted by_____________?
For a continuous flow type of sedimentation tanks__________________?
For drainage pipes in buildings the test applied before putting them to use, is__________________?
Bottom openings 15 cm × 15 cm in the standing baffle wall are provided________________?
The asbestos cement sewers are_________________?
¾th or ¼th extra space is left in sewer pipes at maximum discharge for_________________?
