The filter material used in contact bed is ___________

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The filter material used in contact bed is ___________

Options:

A . Sand

B . Stone ballast

C . Gravel

D . Fine sand

Answer: Option B
Answer: (b).Stone ballast

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More Questions on This Topic :

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Question 2. Which of the following is called as contact bed?....

Question 3. The depth of the filter media of intermittent filter is ___________....

Question 4. The dewatered sludge cannot be disposed by ___________....

Question 5. In which of the following process, the sludge is dried and disposed in land?....

Question 6. Which of the following is not suitable for dewatering of raw sludge?....

Question 7. Which of the following is not a part of dewatering process?....

Question 8. Which of the following is not a drying bed?....

Question 9. Which of the following filter is used in the anaerobic treatment of sewage?....

Question 10. The maximum size of filter media of a percolating filter is ___________....

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