GATE CE · 2019 · CE
Question 42: Water and Waste Water Quality and Treatment
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Question 42
CENAT2 marksNeeds review
A wastewater is to be disinfected with 35 mg/L of chlorine to obtain 99% kill of micro-organisms. The number of micro-organisms remaining alive (
) at time
, is modeled by
, where
is number of micro-organisms at
, and
is the rate of kill. The wastewater flow rate is 36 m³/h, and
. If the depth and width of the chlorination tank are 1.5 m and 1.0 m, respectively, the length of the tank (in m, round off to 2 decimal places) is ________.Log in to check the answer
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2019CE
GATE CE 2019 · Paper 1
Civil Engineering · Original paper archive
- Section
- Civil Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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