Hydraulics & Fluid Mechanics
A vertical rectangular plane surface is submerged in water such that its top and bottom surfaces are 1.5 m and 6.0 m res-pectively below the free surface. The position of center of pressure below the free surface will be at a distance of

4.8 M
4.6 M
4.0 M
4.2 M

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Hydraulics & Fluid Mechanics
The shear stress distribution for a fluid flowing in between the parallel plates, both at rest, is

zero at plates and increases linearly to midpoint
constant over the cross section
zero at the mid plane and varies linearly with distance from mid plane
parabolic distribution across the section

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Hydraulics & Fluid Mechanics
Select the correct statement

Local atmospheric pressure depends upon elevation of locality only
Standard atmospheric pressure is the mean local atmospheric pressure a* sea level
A barometer reads the difference be-tween local and standard atmospheric pressure
Local atmospheric pressure is always below standard atmospheric pressure

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