Vidyalelo
Mining Engineering · Q37

Mine Environment

Engineering and GATE · Mining Engineering · question 37

Q37

A spherical droplet of water, with density 1000 kg/m3 and diameter of 1 μrn, is falling in air. The viscosity of air is 1.85 × 10-5 kg/m.s. Neglecting air density and assuming that the settling of droplet in air follows Stokes' Law, the settling velocity in m/s is

A.
0.98 × 10-5
B.
2.95 × 10-5
Answer
C.
8.04 × 10-5
D.
53.03 × 10-5

Answer: Option B

Solution

Answer: Option B
No explanation is given for this question Let's Discuss on Board