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Fluid Kinematics
Fluid Mechanics
Previous Years Questions
START HERE
Marks 1
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Consider the two-dimensional velocity field given by $$\overrightarrow V = \left( {5 + {a_1}x + {b_1}y} \right)\wideha...
GATE ME 2017 Set 1
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A channel of width $$450$$ $$mm$$ branches into two sub-channels having width $$300$$ $$mm$$ and $$200$$ $$mm$$ as shown...
GATE ME 2016 Set 3
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For a certain two-dimensional incompressible flow, velocity field is given by $$2xy\widehat i - {y^2}\widehat j.$$ The s...
GATE ME 2016 Set 3
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The volume tric flow rate (per unit depth) between two streamlines having stream functions $${\psi _1}$$ & $${\psi _...
GATE ME 2016 Set 2
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If the fluid velocity for a potential flow is given by $$V\left( {x,y} \right) = u\left( {x,y} \right)i + v\left( {x,y} ...
GATE ME 2015 Set 2
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A flow field which has only convective acceleration is
GATE ME 2014 Set 4
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A flow field which has only convective acceleration is
GATE ME 2014 Set 4
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For an incompressible flow field , $$\overrightarrow {V,} $$ which one of the following conditions must be satisfied?
GATE ME 2014 Set 2
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A streamline and an equipotential line in a flow field
GATE ME 2011
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For a continuity equation given $$\nabla .\overrightarrow V = 0$$ to be valid, $$\overrightarrow V $$ where is the velo...
GATE ME 2008
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In a steady flow through a nozzle, the flow velocity on the nozzle axis is given by $$u = {u_0}\left( {1 + 3x/L} \right)...
GATE ME 2007
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In a two-dimensional velocity field with velocities $$u$$ and $$v$$ along $$x$$ and $$y$$ directions respectively, the c...
GATE ME 2006
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A two-dimensional flow field has velocities along the $$x$$ and $$y$$ directions given by $$u = {x^2}t$$ and $$v = - 2x...
GATE ME 2006
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The velocity components in the $$x$$ and $$y$$ directions of a two dimensional potential flow are $$u$$ and $$v$$, respe...
GATE ME 2005
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A fluid flow is represented by the velocity field $$\overrightarrow V = ax\,\overrightarrow i + ay\,\overrightarrow j ...
GATE ME 2004
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Existence of velocity potential implies that
GATE ME 1994
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Circulation is defined as line integral of tangential component of velocity about a _________ (fill in the blank)
GATE ME 1994
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For a fluid element in a two dimensional flow field ($$x-y$$ plane), it will undergo
GATE ME 1994
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In a flow field, the streamlines and equipotential lines
GATE ME 1994
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Streamlines, path lines and streak lines are virtually identical for
GATE ME 1994
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Marks 2
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For a steady flow, the velocity field is $$\overrightarrow V = \left( { - {x^2} + 3y} \right)\widehat i + \left( {2xy} ...
GATE ME 2017 Set 1
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For a two-dimensional flow, the velocity field is $$\overrightarrow u = {x \over {{x^2} + {y^2}}}\widehat i + {y \over ...
GATE ME 2016 Set 3
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The velocity field on an incompressible flow is given by $$V = \left( {{a_1}x + {a_2}y + {a_3}z} \right)i + \left( {{b_...
GATE ME 2015 Set 1
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Match the following pairs: ...
GATE ME 2015 Set 1
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Consider a velocity field $$\overrightarrow V = K\left( {y\widehat i + x\widehat k} \right),$$ where $$K$$ is a constan...
GATE ME 2014 Set 4
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Consider the following statements regarding streamline(s): (i) It is a continuous line such that the tangent at any poin...
GATE ME 2014 Set 4
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Velocity vector of a flow fields is given as $$\overrightarrow V = 2xy\widehat i - {x^2}z\widehat j.$$ The vorticity ve...
GATE ME 2010
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You are asked to evaluate assorted fluid flows for their suitability in a given laboratory application. The following th...
GATE ME 2009
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The gap between a moving circular plate and a stationary surface is being continuously reduced, as the circular plate co...
GATE ME 2008
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The gap between a moving circular plate and a stationary surface is being continuously reduced, as the circular plate co...
GATE ME 2008
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Which combination of the following statements about steady incompressible forced vortex flow is correct? P: Shear stres...
GATE ME 2007
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A leaf is caught in a whirlpool. At a given instant, the leaf is at a distance of $$120$$ $$m$$ from the centre of the w...
GATE ME 2005
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For a fluid flow through a divergent pipe of length $$L$$ having inlet and outlet radii of $${R_1}$$ and $${R_2}$$ respe...
GATE ME 2004
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A closed cylinder having a radius $$R$$ and height $$H$$ is filled with oil of density $$\rho .$$ If the cylinder is rot...
GATE ME 2004
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The $$2$$ - $$D$$ flow with, velocity $$\overrightarrow v = \left( {x + 2y + 2} \right)\overrightarrow i + \left( {4 ...
GATE ME 2001
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The velocity components in the $$x$$ and $$y$$ directions are given by $$u = \lambda x{y^3} - {x^2}y,$$ $$v = x{y^2} - {...
GATE ME 1995
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A velocity field is given as $$$\overrightarrow V = 3{x^2}y\widehat i - 6xyz\widehat k$$$ Where $$x,y,z$$ are in $$m$$...
GATE ME 1993
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The stream function in a two dimensional flow field is given by $$\Psi = {x^2} - {y^2}$$ The magnitude of the velocity...
GATE ME 1989
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A Newtonian fluid has the following velocity field : $$$\overrightarrow V = {x^2}y\widehat i + 2x{y^2}z\widehat j - y{...
GATE ME 1988
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