A scraper removes floatable solids.

True

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False

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Solution

The correct option is B False
A skimmer is a part of the primary treatment of wastewater. After the heavy solids settle at the bottom of a tank, they are remoed using a scraper. A skimmer removes floatable solids like oil and grease.

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Similar questions

Q. Which among the following is removed using a scraper during wastewater treatment?

X = -5 can this be expressed as a linear equation in two variables?

True

False

Q. Two angles can have exactly five points in common.

True
False

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.

State true\false:

3 x + 2 y = 5, 2 x - 3 y = 7

is an example of consistent pair of equations.

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A scraper removes floatable solids.

The correct option is B FalseA skimmer is a part of the primary treatment of wastewater. After the heavy solids settle at the bottom of a tank, they are remoed using a scraper. A skimmer removes floatable solids like oil and grease.

The correct option is B False
A skimmer is a part of the primary treatment of wastewater. After the heavy solids settle at the bottom of a tank, they are remoed using a scraper. A skimmer removes floatable solids like oil and grease.