The settling tanks through which the waste water is passed are called:

Aeration tank

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Clarifier

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Grit chambers

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Digestion tank

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Solution

The correct option is C
Grit chambers

Grit chambers are the settling tanks through which the waste water is passed and solid wastes are removed.

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Similar questions

Q. Read the following statements & about waste water treatment how many of them are correct

(i) In Primary treatment First, floating debris of waste is removed by sequence filters
(ii) The Soil and small pebbles are removed by sedimentation in settling tanks
(iii)The sediment is called primary sludge and supernatant is effluent.
(iv) The Sludge is taken for Secondary treatment.
(v) Lower the B.O.D., higher Is water pollution.
(vi)When DDT enters the food chain then they reach water and are easily degradable.
(vii)Discharge of sewage water into river water will decrease its B.O.D.
(viii) Chlorine is added to disinfect drinking water

Some students of class 7 were taken for an educational trip to Waste water treatment plant .The teacher explained the process of water treatment. Identify the correct order of the process.

Step I:The liquid material is passed through sedimentation tank where solid waste like faecal matter, sand, grit settles down.

Step II:This solid matter is then removed with the help of a scrapper. This is the sludge.

Step III: Waste water is passed through bar screens to remove big objects like cans, sticks, rags etc.

Step IV: A skimmer removes the floatable solids like oil, grease etc.

Step V: Air is pumped into clarified water to help aerobic bacteria to grow. The bacteria then consume the unwanted matter still present in clarified water.

Step VI: The clear water so obtained is called clarified water.

Step VII:The suspended microbes settle at the bottom & the water is removed from the top.

Q. Bacterial flocs are allowed to sediment in the settling tank. This sediment is called:

Why do water works have settling tanks?

The tank in which the aerobic bacteria grows and decompose the organic waste is called:

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The settling tanks through which the waste water is passed are called:

The correct option is C Grit chambersGrit chambers are the settling tanks through which the waste water is passed and solid wastes are removed.

The correct option is C
Grit chambers

Grit chambers are the settling tanks through which the waste water is passed and solid wastes are removed.