GATE ME

Boundary Layer

Fluid Mechanics

(Past Years Questions)

Marks 1

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Within a boundary layer for a steady incompressible flow, the Bernoulli equation
GATE ME 2015 Set 2
Consider an incompressible laminar boundary layer flow over a flat plate of length $$L$$, aligned with the direction of ...
GATE ME 2007
Flow separation in flow past a solid object is caused by
GATE ME 2002
If $$'x'$$ is the distance measured from the leading edge of a flat plate, then laminar boundary layer thickness varies ...
GATE ME 2002
The necessary and sufficient condition which brings about separation of boundary layer is $${{dP} \over {dx}} > 0$$ ...
GATE ME 1994
As the transition from laminar to turbulent flow is induced in a cross flow past a circular cylinder the value of the dr...
GATE ME 1994
The predominant forces acting on an element of fluid in the boundary layer over a flat plate in a uniform parallel strea...
GATE ME 1990
A streamlined body is defined as a body about which
GATE ME 1987

Marks 2

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The velocity profile inside the boundary layer for flow over a flat plate is given as $${u \over {{U_\infty }}} = \sin \...
GATE ME 2017 Set 1
A steady laminar boundary layer is formed over a flat plate as shown in the figure. The free stream velocity of the flui...
GATE ME 2016 Set 1
Air ( $${\rho = 1.2\,\,kg/{m^3}}$$ and kinematic viscosity, $${v = 2 \times {{10}^{ - 5}}{m^2}/s}$$ ) with a velocity o...
GATE ME 2015 Set 1
An incompressible fluid flows over a flat plate with zero pressure gradient. The boundary layer thickness is $$1mm$$ at ...
GATE ME 2012
Consider a steady incompressible flow through a channel as shown below. The velocity profile is uniform with a value o...
GATE ME 2007
Consider a steady incompressible flow through a channel as shown below. The velocity profile is uniform with a value o...
GATE ME 2007
A smooth flat plate with a sharp leading edge is placed along a gas stream flowing at $$U = 10\,m/s.$$ The thickness of ...
GATE ME 2006
A smooth flat plate with a sharp leading edge is placed along a gas stream flowing at $$U = 10\,m/s.$$ The thickness of ...
GATE ME 2006
For air flow over a flat plate, velocity $$(U)$$ and boundary layer thickness $$\left( \delta \right)$$ can be expresse...
GATE ME 2004

Marks 5

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The velocity profile across a boundary layer on a flat plate may be approximated as linear $$${V_x}\left( {x,y} \right)...
GATE ME 1993

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