1.

For one dimensional flow of an incompressible fluid in unsteady state in x-direction, the continuity equation is given by_______________?

A. ∂u/∂x = 0
B. ∂(ρu)/∂x = 0
C. (∂u/∂x) = – (∂ρ/∂t)
D. ∂ρ/∂t = 0
Answer» B. ∂(ρu)/∂x = 0


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