Which of the following is not commonly used as a filter material in the treatment of water? Options: A . &nbspSand B . &nbspAnthracite C . &nbspCrushed rock D . &nbspGarnet sand

Which of the following is not commonly used as a filter material in the treatmen

Question

Which of the following is not commonly used as a filter material in the treatment of water?

Options:

A . Sand

B . Anthracite

C . Crushed rock

D . Garnet sand

Answer: Option C
Answer: (c).Crushed rock

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Question 1. The uniformity characteristics of sand expressed in terms of __________....

Question 2. Consider the following statements regarding sand as filter material. i. It should be free from clay or silt ii. Organic....It should be nonuniform Which of the above statement is/are correct?

Question 3. ____ represents the size of sand particle such that 10% of particles are finer than this size.....

Question 4. Which of the following is correct regarding the cheapest filter material used in water treatment?....

Question 5. 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?

Question 6. The value of specific gravity for Garnet sand is ____....

Question 7. The effective size of sand of the slow sand filter is __________....

Question 8. What is the value of specific gravity of sand filter?....

Question 9. The value of uniformity coefficient for uniformly graded sand is ______....

Question 10. Which of the following statement is correct?....

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