GATE CE · 2025 · CE
Question 31: Water and Waste Water Quality and Treatment
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Question 31
CEMSQ1 markNeeds review
The Surface Overflow Rate (SOR) in a rectangular sedimentation tank is 45 m³/m²/d. Minimum diameters of spherical inorganic and organic particles expected to be completely removed in this tank are calculated. Assume that Stoke’s law is applicable. Which of the following options is/are correct:
Specific gravity of inorganic particles = 2.65
Specific gravity of organic particles = 1.20
Acceleration due to gravity (g) = 9.81 m/s²
Kinematic viscosity (ν) = 1×10⁻⁶ m²/s
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2025CE
GATE CE 2025 · Paper 1
Civil Engineering · Original paper archive
- Section
- Civil Engineering
- Question type
- Multiple select (MSQ)
- Marks
- 1 mark
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