The suspended microbes in a water treatment plant settle at the bottom and the water is removed from the _______.

top

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

bottom

No worries! We‘ve got your back. Try BYJU‘S free classes today!

top and bottom

No worries! We‘ve got your back. Try BYJU‘S free classes today!

middle

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A
top

When the wastewater goes to the 2nd clarifier tank, the suspended microbes are allowed to settle down for several hours as activated sludge. The water is then removed from the top and the dried activated sludge is used as manure.

Suggest Corrections

Similar questions

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. In a water treatment plant, _______ is used in settling of suspended impurities from water

A uniform metallic spherical shell is suspended from ceiling. It has two holes A and B at top and bottom respectively.

Q. Assertion :A dam for water reservoir is built thicker at bottom than at the top. Reason: Pressure of water is very large at the bottom.

Q. Impurities settled at the bottom when muddy water was kept overnight in a bucket. The clear water was then poured off from the top. The process of separation used in this example is called ______.

Join BYJU'S Learning Program

The suspended microbes in a water treatment plant settle at the bottom and the water is removed from the _______.

The correct option is A top When the wastewater goes to the 2nd clarifier tank, the suspended microbes are allowed to settle down for several hours as activated sludge. The water is then removed from the top and the dried activated sludge is used as manure.

The correct option is A
top

When the wastewater goes to the 2nd clarifier tank, the suspended microbes are allowed to settle down for several hours as activated sludge. The water is then removed from the top and the dried activated sludge is used as manure.