1
GATE ME 2014 Set 4
MCQ (Single Correct Answer)
+1
-0.3
A flow field which has only convective acceleration is
A
a steady uniform flow
B
an unsteady uniform flow
C
a steady non-uniform flow
D
an unsteady non-uniform flow
2
GATE ME 2011
MCQ (Single Correct Answer)
+1
-0.3
A streamline and an equipotential line in a flow field
A
are parallel to each other
B
are perpendicular to each other
C
intersect at an acute angle
D
are identical
3
GATE ME 2008
MCQ (Single Correct Answer)
+1
-0.3
For a continuity equation given $$\nabla .\overrightarrow V = 0$$ to be valid, $$\overrightarrow V $$ where is the velocity vector, which one of the folllowing is a necessary condition ?
A
Steady flow
B
Irrotational flow
C
Inviscid flow
D
Incompressible flow
4
GATE ME 2007
MCQ (Single Correct Answer)
+1
-0.3
In a steady flow through a nozzle, the flow velocity on the nozzle axis is given by $$u = {u_0}\left( {1 + 3x/L} \right),\,\,$$ where $$x$$ is the distance along the axis of the nozzle from its inlet plane and $$L$$ is the length of the nozzle. The time required for a fluid particle on the axis to travel from the inlet to the exit plane of the nozzle is .
A
$${L \over {{u_0}}}$$
B
$${L \over {3{u_0}}}ln4$$
C
$${L \over {4{u_0}}}$$
D
$${L \over {2.5{u_0}}}$$
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