GATE CE · 2020 · CE
Question 54: Sewage system design
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Question 54
CENAT2 marksNeeds review
A stream with a flow rate of 5 m
/s is having an ultimate BOD of 30 mg/litre. A wastewater discharge of 0.20 m
/s having BOD
of 500 mg/litre joins the stream at a location and instantaneously gets mixed up completely. The cross-sectional area of the stream is 40 m
which remains constant. BOD exertion rate constant is 0.3 per day (logarithm base e). The BOD (in mg/litre, round off to two decimal places) remaining at 3 km downstream from the mixing location, is _____.Log in to check the answer
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2020CE
GATE CE 2020 · Paper 1
Civil Engineering · Original paper archive
- Section
- Civil Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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