1.
The asbestos cement sewers are_________________?

2.
Bottom openings 15 cm × 15 cm in the standing baffle wall are provided________________?

3.
For drainage pipes in buildings the test applied before putting them to use, is__________________?

4.
For a continuous flow type of sedimentation tanks__________________?

5.
For efficient working of a sewer, it must be ensured that _____________?

6.
The pressure exerted by_____________?

7.
No treatment of the sewage is given if dilution factor is_____________?

8.
Acid regression stage of sludge digestion at a temperature 21°C extends over a period of______________?

9.
Which of the following pumps in used to pump sewage solids with liquid sewage without clogging the pump is ?

10.
The coagulant which is generally not used for treating the sewage, is__________________?