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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The discharge through a siphon spillway is

Cd × a × √(2g) × H5/2
Cd × a × √(2g) × H3/2
Cd × a × √(2g) × H2
Cd × a × √(2gH)

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Hydraulics and Fluid Mechanics in ME
Stream lines and path lines always coincide in case of

turbulent flow
steady flow
laminar flow
uniform flow

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Hydraulics and Fluid Mechanics in ME
A structure used to dam up a stream or river over which the water flows is called

Dam
Orifice
Weir
Notch

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Hydraulics and Fluid Mechanics in ME
The speed of sound in a ideal gas varies directly as its

density
temperature
absolute temperature
modulus of elasticity

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Hydraulics and Fluid Mechanics in ME
Centre of pressure compared to e.g. is

at same point
above it
above or below depending on area of body
below it

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Hydraulics and Fluid Mechanics in ME
Geometric similarity is said to exist between the model and the prototype, if both of them

Have identical velocities
Are equal in size and shape
Have identical forces
Are identical in shape, but differ only in size

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