Q. What is the value of specific gravity of sand filter?

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

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Q. The value of specific gravity for Garnet sand is ____

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Q. Which of the following statement is correct?

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

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Q. When the fineness of sand increases __________

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Q. The thickness of the base material on which filter media are supported is __________

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

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Q. The area of the filter is 1500. What is the number of beds to be provided?

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

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

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Q. 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 the area of the filter?

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Q. The slow sand filter is designed for _____________

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Q. What is the frequency of cleaning of a slow sand filter?

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Q. What is the maximum filter head up to which slow sand filters are worked upon?

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Q. The depth of an enclosed tank of a rapid sand filter lies in the range of ______

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Q. The effective size of a rapid sand filter is ______

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Q. The finer the suspended impurities to be removed ___________

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Q. What is the value of the uniformity coefficient in a rapid sand filter?

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Q. What is the effective size of Anthracite when used as a filter material?

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