Environment Engineering mcq test on Sewerage Treatment, Disposal And Air, Water Pollution & control

The waste water from bath rooms, kitchen etc. is called

The liquid waste conveyed by a sewer is known as

The underground conduit constructed for removal of liquid waste of a community is known as

Fresh sewage is usually

Stale sewage is usually

The solid content of sewage is usually

The minimum diameter of manhole opening is

The self cleaning velocity normally adopted for sewers is

When a sewer gets discharged from two or more main sewers, it is called

The shape of a sewer suitable to carry combined flow is

The colour of fresh sewage is

The colour of septic sewage is

Stoneware pipes are used for the house drainage system mainly because

The minimum diameter of sewer pipe is

Water carriage system is preferred to dry system because

In a combined sewer when only the industrial or sanitary sewage are flowing, then it is termed as

In a combined system, the same sewer is intended to carry both

The wash water from stables which contains animals wastes is called

Partly or completely treated sewage flowing out of a sewage treatment tank or plan, is called

A fresh sewage becomes stale in

Waste water is said to be septic when

The process of removing suspended and colloidal matter from sewage is called

Sewage that has received no purification treatment is called

The minimum infiltration of water in one km. length of sewer pipe per day is

A branch drain of which the last length of piping of the incoming drain before connection to the sewer is vertical, is called