In a two-dimensional flow of fluid, if a velocity potential function ϕ exists which satisfies the relation \frac{ \partialϕ}{\partialx^2}+\frac{\partial^2ϕ}{\partialy^2}=0, then the flow is

Correct Answer is : irrotational and incompressible

steady laminar and incompressible

irrotational and incompressible

SSC JE Civil Engineering 2013 Solved Paper

Question : 136 of 200

Marks: +1, -0

In a two-dimensional flow of fluid, if a velocity potential function ϕ exists which satisfies the relation

{ ∂ϕ}/{∂x^2}+{∂^2ϕ}/{∂y^2}=0

, then the flow is

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