Multiple choice question for engineering Set 1 1. The depth of an enclosed tank of a rapid sand filter lies in the range of ______ a) 1-2m b) 2.5-3.5m c) 2-5m d) 3-5m 2. The effective size of a rapid sand filter is ______ a) 0.45mm b) 0.7mm c) 0.8mm d) 0.9mm 3. The finer…

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