1.

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.)

A. 0.018 cm / sec
B. 0.025 cm / sec
C. 0.18 cm / sec
D. 0.25 cm / sec
Answer» B. 0.025 cm / sec


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