The slow sand filter is able to remove ______ % of bacteria in water.

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Question

The slow sand filter is able to remove ______ % of bacteria in water.

Options:

A . 90

B . 95

C . 98-99

D . 100

Answer: Option C
Answer: (c).98-99

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More Questions on This Topic :

Question 1. The maximum daily demand of a city is 24*10⁵ and the rate of filtration is 100 per litre per hour per m². What is....hour per m². What is the area of the filter?

Question 2. The slow sand filter is efficient in removing turbidity of water.....

Question 3. The thickness of the base material of a rapid sand filter on which filter media are supported is __________....

Question 4. The loss of head during cleaning operation of a rapid sand filter is __________....

Question 5. Which device is used to supply air for the agitation of sand grains during washing of filters?....

Question 6. In which type of under drainage system of rapid sand filter, laterals are provided with strainers?....

Question 7. The thickness of the suspended matter on top of the sand bed is __________....

Question 8. The cracking of bed is more prominent __________....

Question 9. ______ are formed in filters due to insufficient washing of sand grains.....

Question 10. When the loss of the head exceeds the static head, the head becomes _____....

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