GATE CE · 2020 · CE
Question 37: Water and Waste Water Quality and Treatment
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Question 37
CEMCQ2 marksNeeds review
A water supply scheme transports 10 MLD (Million Litres per Day) water through a 450 mm diameter pipeline for a distance of 2.5 km. A chlorine dose of 3.50 mg/litre is applied at the starting point of the pipeline to attain a certain level of disinfection at the downstream end. It is decided to increase the flow rate from 10 MLD to 13 MLD in the pipeline. Assume exponent for concentration, n = 0.86. With this increased flow, in order to attain the same level of disinfection, the chlorine dose (in mg/litre) to be applied at the starting point should be
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2020CE
GATE CE 2020 · Paper 1
Civil Engineering · Original paper archive
- Section
- Civil Engineering
- Question type
- Multiple choice (MCQ)
- Marks
- 2 marks
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