Boundary Layer · Fluid Mechanics · GATE ME

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Marks 1

GATE ME 2015 Set 2
Within a boundary layer for a steady incompressible flow, the Bernoulli equation
GATE ME 2007
Consider an incompressible laminar boundary layer flow over a flat plate of length $$L$$, aligned with the direction of an incoming uniform free strea...
GATE ME 2002
If $$'x'$$ is the distance measured from the leading edge of a flat plate, then laminar boundary layer thickness varies as
GATE ME 2002
Flow separation in flow past a solid object is caused by
GATE ME 1994
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 drag coefficient drops.
GATE ME 1990
The predominant forces acting on an element of fluid in the boundary layer over a flat plate in a uniform parallel stream are:
GATE ME 1987
A streamlined body is defined as a body about which

Marks 2

GATE ME 2017 Set 1
The velocity profile inside the boundary layer for flow over a flat plate is given as $${u \over {{U_\infty }}} = \sin \left( {{\pi \over 2}\,{y \ove...
GATE ME 2016 Set 1
A steady laminar boundary layer is formed over a flat plate as shown in the figure. The free stream velocity of the fluid is $${U_0}.$$ The velocity p...
GATE ME 2015 Set 1
Air ( $${\rho = 1.2\,\,kg/{m^3}}$$ and kinematic viscosity, $${v = 2 \times {{10}^{ - 5}}{m^2}/s}$$ ) with a velocity of $$2m/s$$ flows over the top ...
GATE ME 2012
An incompressible fluid flows over a flat plate with zero pressure gradient. The boundary layer thickness is $$1mm$$ at a location where the Reynolds ...
GATE ME 2007
Consider a steady incompressible flow through a channel as shown below. The velocity profile is uniform with a value of $${u_0}$$ at the inlet secti...
GATE ME 2007
Consider a steady incompressible flow through a channel as shown below. The velocity profile is uniform with a value of $${u_0}$$ at the inlet secti...
GATE ME 2006
A smooth flat plate with a sharp leading edge is placed along a gas stream flowing at $$U = 10\,m/s.$$ The thickness of the boundary layer at section ...
GATE ME 2006
A smooth flat plate with a sharp leading edge is placed along a gas stream flowing at $$U = 10\,m/s.$$ The thickness of the boundary layer at section ...
GATE ME 2004
For air flow over a flat plate, velocity $$(U)$$ and boundary layer thickness $$\left( \delta \right)$$ can be expressed respectively, as $$${U \ove...

Marks 5

GATE ME 1993
The velocity profile across a boundary layer on a flat plate may be approximated as linear $$${V_x}\left( {x,y} \right) = {{{V_0}y} \over {\delta \le...
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