Beyond the critical speed, the flow of fluids becomes
streamline
turbulent
steady
very slow
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Beyond the critical speed, the flow of fluids becomes turbulent as the flow loses its steadiness.
Streamline flow is more likely for liquids with
high density and low viscosity
low density and high viscosity
high density and high viscosity
low density and low viscosity
For flow of a fluid to be turbulent
fluid should have high density
velocity should be large
reynold number should be less than 2000
both (a) and (b)
Reynold's number for turbulent motion is more than
In which flow the velocity of fluid particles reaching a particular point is same at all time?
vigrous flow
steady flow
turbulant flow
None of these
3000 and i.e.,
Figure shows a liquid flowing through a tube at the rate of . The tube is branched into two semicircular tubes of cross-sectional area and . The velocity of liquid at is (the cross-section of the main tube is and )
From the equation of continuity,
Rate
As , so
Oil is filled in a cylindrical container upto height . A small hole of area ' ' is punched in the wall of the container at a height from the bottom. The crosssectional area of the container is . If then is (where is the velocity of oil coming out of the hole)
In the figure, the velocity will be
Zero
According to equation of continuity
.
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