Chapter 18 – Wastewater Story

Untreated human excreta is a:

Which process removes the solids like foeces and other substances from the waste water:

Excreta from the toilet seats flow through covered drains into a chemicals:

The biogas product is used as a source of:

What decomposes the sludge:

What helps to clean the clarified water:

The instrument used to remove float-able solids from the waste water is:

By which we can prevent drains at our houses from getting choked:

Different sources of waste water are:

We use water at home to wash clothes and utensils, bathe and flush toilets, it becomes dirty water is called:

Which of these disease is not caused by improper disposal of sewage:

Which of these statements are correct about Ozone:

The hyproducts of waste water treatment are:

Sewage is a:

Following process is not a part of waste water treament:

This disease is not caused by polluted water:

To improve sanitation following new technique is being used:

This is not the cause of water pollution:

Following should not be disposed off in the drains:

The suspended impurities in sewage are called:

Full form of WWTP is:

The network of big and small pipes carrying waste water are called:

Dried sludge is used as:

Drains get blocked by:

The water is taken to grit and sand removal tank where impurities are removed by:

Sludge is collected solid waste from the waste water during the treatment in:

Chlorine and ozone are used to: