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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The depth of the center of pressure on a vertical rectangular gate 8 m wide and 6 m high, when the water surface coincides with the top of the gate, is

3.0 m
4.0 m
2.4 m
2.5 m

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Hydraulics and Fluid Mechanics in ME
If the surface of liquid is convex, men

There is no cohesion pressure
Cohesion pressure is decreased
Cohesion pressure is negligible
Cohesion pressure is increased

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Hydraulics and Fluid Mechanics in ME
For a body floating in a liquid the normal pressure exerted by the liquid acts at

e.g. of the body
metacentre
all points on the surface of the body
bottom surface of the body

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Hydraulics and Fluid Mechanics in ME
Stoke is the unit of

Dynamic viscosity in M. K. S. units
Kinematic viscosity in C. G. S. units
Dynamic viscosity in S. I. units
Kinematic viscosity in M. K. S. units

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Hydraulics and Fluid Mechanics in ME
The discharge through a reaction turbine ___ with the increase in unit speed.

None of the listed here
Decreases
Increases
Remain same

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Hydraulics and Fluid Mechanics in ME
The flow in which the particles of a fluid attain such velocities that vary from point to point in magnitude and direction as well as from instant to instant, is known as

one dimensional flow
uniform flow
steady flow
turbulent flow

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