The system to collect night soil, garbage etc. in separate vessels or deposited in pools and pits is called ___

The benefits of the society of managing human excreta are considerable, for public health as well as for the environment…

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

What is the lowest wastewater flow in hospitals?

The dry weather flow is also called as sanitary sewage.

The relatively clean wastewater from baths, sinks, washing machines and other kitchen appliances is called ____

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

Which of the following is an advantage of the conservancy system over water carriage system?