Hydraulics & Fluid Mechanics
An open vessel of water is accelerated up an inclined plane. The free water surface will

make an angle in direction of inclination of inclined plane
be horizontal
make an angle in opposite direction to inclination of inclined plane
any one of above is possible

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Hydraulics & Fluid Mechanics
The normal stress is same in all directions at a point in a fluid

only when the fluid is incompressible and has zero viscosity
only when the fluid is frictionless
irrespective of the motion of one fluid layer relative to an adjacent layer
When there is no motion of one fluid layer relative to an adjacent layer

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Hydraulics & Fluid Mechanics
Select the correct statement

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 depends upon elevation of locality only
Local atmospheric pressure is always below standard atmospheric pressure

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