GATE CE 2015 Set 2 — Question 58

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NAT+2 / -0MediumFiltrationDrinking Water TreatmentEnvironmental Engineering

Environmental Engineering → Drinking Water Treatment → Filtration

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Question

A water treatment plant of capacity, 1 m3/s1\text{ m}^3/\text{s} has filter boxes of dimensions 6 m×10 m6\text{ m} \times 10\text{ m}. Loading rate to the filters is 120 m3/day/m2120\text{ m}^3/\text{day}/\text{m}^2. When two of the filters are out of service for back washing, the loading rate (in m3/day/m2\text{m}^3/\text{day}/\text{m}^2) is __________.
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