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GATE2015-2-15

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Arjun asked Feb 24, 2017
GATE2015-2-41
For a fully developed laminar flow of water (dynamic viscosity $0.001$ $P_{a-s}$) through a pipe of radius $5$ $cm$, the axial pressure gradient is −$10$ $Pa/m$. The magnitude of axial velocity (in $m/s$) at a radial location of $0.2$ $cm$ is _______
For a fully developed laminar flow of water (dynamic viscosity $0.001$ $P_{a-s}$) through a pipe of radius $5$ $cm$, the axial pressure gradient is −$10$ $Pa/m$. The ma...
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Arjun asked Feb 24, 2017
GATE2015-2-14
Within a boundary layer for a steady incompressible flow, the Bernoulli equation holds because the flow is steady holds because the flow is incompressible holds because the flow is transitional does not hold because the flow is frictional
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Arjun asked Feb 24, 2017
GATE2015-2-12
If the fluid velocity for a potential flow is given by $V(x,y)=u(x,y)i+v(x,y)j$ with usual notations, then the slope of the potential line at $(x,y)$ is $\dfrac{v}{u} \\$ $-\dfrac{u}{v} \\$ $\dfrac{u^2}{v^2} \\$ $\dfrac{u}{v}$
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