engineering recuitment GATE CE 2023-24 Test Series Environmental Engineering Water Treatment Sedimentation
What is the settling velocity of a discrete particle in a wide body of water when the relevant Reynolds number is less than 0.5? The diameter and specific gravity of the particle are 2 × 10-3 cm and 2.65, respectively. Water temperature is 20°C. (Kinematic viscosity = 2 × 10-2 cm2/ sec.)
1
0.018 cm / sec
2
0.025 cm / sec
3
0.18 cm / sec
4
0.25 cm / sec