GATE ME 2015 Set 2 | Fluid Kinematics Question 12 | Fluid Mechanics

GATE ME 2015 Set 2

MCQ (Single Correct Answer)

-0.3

If the fluid velocity for a potential flow is given by $$V\left( {x,y} \right) = u\left( {x,y} \right)i + v\left( {x,y} \right)j$$ with usual notations, then the slope of potential line at $$(x, y)$$ is

$${v \over u}$$

$$ - {u \over v}$$

$${{{v^2}} \over {{u^2}}}$$

$${u \over v}$$

GATE ME 2014 Set 4

MCQ (Single Correct Answer)

-0.3

A flow field which has only convective acceleration is

a steady uniform flow

an unsteady uniform flow

a steady non-uniform flow

an unsteady non-uniform flow

GATE ME 2014 Set 4

MCQ (Single Correct Answer)

-0.3

A flow field which has only convective acceleration is

a steady uniform flow

an unsteady uniform flow

a steady non-uniform flow

an unsteady non-uniform flow

GATE ME 2014 Set 2

MCQ (Single Correct Answer)

-0.3

For an incompressible flow field , $$\overrightarrow {V,} $$ which one of the following conditions must be satisfied?

$$\nabla .\overrightarrow V = 0$$

$$\nabla \times \overrightarrow V = 0$$

$$\left( {\overrightarrow V .\nabla } \right)\overrightarrow V = 0$$

$${{\partial \overrightarrow V } \over {\partial t}} + \left( {\overrightarrow V .\nabla } \right)\overrightarrow V = 0$$

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