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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A fluid in equilibrium can't sustain

Bending stress
Tensile stress
Shear stress
Compressive stress

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Hydraulics and Fluid Mechanics in ME
The discharge through an external mouthpiece is given by (where a = Cross-sectional area of the mouthpiece, and H = Height of liquid above the mouthpiece)

5.85 aH.√(2g)
1.585 a.√(2gH)
1.855 aH.√(2g)
0.855 a.√(2gH)

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Hydraulics and Fluid Mechanics in ME
The continuity equation is connected with

Conservation of mass
Compressibility of fluids
Open channel/pipe flow
Steady/unsteady flow

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Hydraulics and Fluid Mechanics in ME
The critical depth meter is used to measure

Hydraulic jump
Depth of channel
Depth of flow in an open channel
Velocity of flow in an open channel

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Hydraulics and Fluid Mechanics in ME
The discharge through a small rectangular orifice is given by (where Cd = Coefficient of discharge for the orifice, a = Cross-sectional area of the orifice, h = Height of the liquid above the centre of the orifice)

Q = (Cd × a)/√(2gh)
Q = (2/3). Cd × a × h
Q = (3Cd × a)/√(2h)
Q = Cd × a × 2gh

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Hydraulics and Fluid Mechanics in ME
Property of a fluid by which its own molecules are attracted is called

cohesion
compressibility
viscosity
adhesion

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