GATE CE · 2023 · CE
Question 63: Water and Waste Water Quality and Treatment
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Question 63
CENAT2 marksNeeds review
A flocculator tank has a volume of 280 m³. The temperature of water in the tank is 15°C, and the average velocity gradient maintained in the tank is 100/s. The temperature of water is reduced to 5°C, but all other operating conditions including the power input are maintained as the same. The decrease in the average velocity gradient (in %) due to the reduction in water temperature is ______________ (round off to nearest integer).
[Consider dynamic viscosity of water at 15°C and 5°C as 1.139×10⁻³ N-s/m² and 1.518×10⁻³ N-s/m², respectively]
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2023CE
GATE CE 2023 · Paper 1
Civil Engineering · Original paper archive
- Section
- Civil Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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