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GATE 2025 FLUID MECHANICS 19
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Question 1
If the velocity divergence at a particular point and time is 3 m/sec and the rate of change of density is 0.9 kg/m3 per sec. Then density at that point will be
Question 2
A nozzle is so shaped that the average flow velocity changes linearly from 1.5 m/s at the beginning to 15 m/s at its end in a distance of 0.375 m. The magnitude of the convective acceleration (in m/s2) at the beginning of the nozzle is _________.
Question 3
Navies-stokes equation describes the motion of
Question 4
The stream function 
for uniform flow past a circular cylinder of radius 'a' in polar co-ordinates is given by 
is the free stream velocity parallel to the horizontal axis. The velocity component in r direction (Vr) on the cylinder at 90 ° is ________.
for uniform flow past a circular cylinder of radius 'a' in polar co-ordinates is given by is the free stream velocity parallel to the horizontal axis. The velocity component in r direction (Vr) on the cylinder at 90 ° is ________. Question 5
What is the nature of streamlines for the velocity field below?
Where x and y are in m/s
Question 6
For a certain two–dimensional in compressible flow, velocity field is given by 
. The stream lines for this flow are given by the family of the curves.
. The stream lines for this flow are given by the family of the curves.
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Nov 20ESE & GATE CE
