Chemical Engineering > GATE 2011 > Fluid Statics
Consider the following two cases of movement of particles. In Case I, the particle moves along the positive y-direction and in Case II, the particle moves along negative y-direction. Gravity acts along the positive y-direction. Which ONE of the following options corresponds to the CORRECT directions of buoyancy acting on the particles?
A
Positive y-direction for both the cases
B
Negative y-direction for Case I, positive y-direction for Case II
C
Negative y-direction for both the cases
D
Positive y-direction for Case I, negative y-direction for Case II

Correct : a

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