Wastewater from different sources like bathrooms, kitchens and wash basins is called

Which of the following common unit is used to express the rate of water supply to a city or town?

The quantity of water supply is equal to the rate of supply multiplied by the

Wet weather flow is _________ than the dry weather flow.

When only one set of sewers are used to carry both sanitary sewage and storm water, it is called as __________ system.

A masonry or R.C.C. chamber constructed at suitable intervals along the sewer lines, for providing access into them is called

Turbidity in water is caused by which of these following?

Which characteristic of water does Calcium contribute to?

How are many forms of nitrogen present in wastewater?

Which one of the following is the basic indicator of river health?

What is the intermediate zone composed of in aerobic-anaerobic ponds?

What is the accumulated layer at the bottom of the tank called as?

How many types of sedimentation tanks are there based on the method of operation?

What is required to keep the activated sludge suspended?