1
GATE ME 2006
+1
-0.3
In a two-dimensional velocity field with velocities $$u$$ and $$v$$ along $$x$$ and $$y$$ directions respectively, the convective acceleration along the $$x$$-direction is given by
A
$$u{{\partial u} \over {\partial x}} + v{{\partial u} \over {\partial y}}$$
B
$$u{{\partial u} \over {\partial x}} + v{{\partial v} \over {\partial y}}$$
C
$$u{{\partial v} \over {\partial x}} + v{{\partial u} \over {\partial y}}$$
D
$$v{{\partial u} \over {\partial x}} + u{{\partial u} \over {\partial y}}$$
2
GATE ME 2006
+1
-0.3
A two-dimensional flow field has velocities along the $$x$$ and $$y$$ directions given by $$u = {x^2}t$$ and $$v = - 2xyt$$ respectively, where $$t$$ is time. The equation of streamline is
A
$${x^2}y =$$ constant
B
$$x\,{y^2} =$$ constant
C
$$x$$ $$y$$ $$=$$ constant
D
not possible to determine
3
GATE ME 2005
+1
-0.3
The velocity components in the $$x$$ and $$y$$ directions of a two dimensional potential flow are $$u$$ and $$v$$, respectively. Then $${{\partial u} \over {\partial y}}$$ is equal to
A
$${{\partial v} \over {\partial x}}$$
B
$$- {{\partial v} \over {\partial x}}$$
C
$${{\partial v} \over {\partial y}}$$
D
$$- {{\partial v} \over {\partial y}}$$
4
GATE ME 2004
+1
-0.3
A fluid flow is represented by the velocity field $$\overrightarrow V = ax\,\overrightarrow i + ay\,\overrightarrow j ,$$ where a constant . The equation of stream line passing through a point $$(1, 2)$$ is
A
$$x-2y=0$$
B
$$2x+y=0$$
C
$$2x-y=0$$
D
$$x+2y=0$$
GATE ME Subjects
Engineering Mechanics
Machine Design
Strength of Materials
Heat Transfer
Production Engineering
Industrial Engineering
Turbo Machinery
Theory of Machines
Engineering Mathematics
Fluid Mechanics
Thermodynamics
General Aptitude
EXAM MAP
Joint Entrance Examination