Which of the following is correct regarding the cheapest filter material used in water treatment? Options: A . &nbspSand>Anthracite>Garnet sand B . &nbspSand<Anthracite>Garnet sand C . &nbspSand<Anthracite<Garnet sand D . &nbspSand=Anthracite>Garnet sand

Which of the following is correct regarding the cheapest filter material used in

Question

Which of the following is correct regarding the cheapest filter material used in water treatment?

Options:

A . Sand>Anthracite>Garnet sand

B . Sand<Anthracite>Garnet sand

C . Sand<Anthracite<Garnet sand

D . Sand=Anthracite>Garnet sand

Answer: Option A
Answer: (a).Sand>Anthracite>Garnet sand

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Question 1. What is Cᵤ in the expression Cᵤ= D₆₀/D₁₀ where D₆₀ and D₁₀ are the sizes of particle such that 60%....10% of the particles are finer than these sizes respectively?

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Question 3. The effective size of sand of the slow sand filter is __________....

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Question 6. Which of the following statement is correct?....

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Question 8. The minimum number of filter beds in the slow sand filter is __________....

Question 9. The depth of an enclosed tank of a slow sand filter lies in the range of ______....

Question 10. When the fineness of sand increases __________....

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