GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
3. | The mass transfer co-efficient for a solid sphere of radius �a� dissolving in a large volume of quiescent liquid, in which �D� is the diffusivity of solute, is _? | |
A. | D/a | |
B. | D/2a | |
C. | Proportional to ?D | |
D. | Dependent on the Reynolds number | |