Q. Which of the following statement is correct?

View solution

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

View solution

Q. When the fineness of sand increases __________

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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?

View solution

Q. The slow sand filter is designed for _____________

View solution

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

View solution

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

View solution

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

View solution

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

View solution

Q. The finer the suspended impurities to be removed ___________

View solution

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

View solution

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

View solution

Q. Consider the following statement regarding the depth of sand of the rapid gravity filter?

i. It should be checked against breakage of floc
ii. The sand depth should lie between 100-200cm
iii. The floc should be attached through the sand bed

Which of the above statement is/are correct?

View solution

Q. Which of the following statement is wrong regarding Anthracite?

View solution

Q. The minimum depth of sand of a rapid sand filter is given by __________

View solution