Agricultural Engineering > GATE 2018 > Biogas
A 2 m3 biogas plant is to be operated using cow-dung as feedstock. The cow-dung is mixed with water in proportion of 1:1 (by weight) to form a slurry of density 1090 kg m-3. The yield of biogas is 0.036 m3 kg-1 of cow-dung. If the hydraulic retention time is 40 days, volume of the digester of the biogas plant will be
Correct : 4.05
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