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

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Hydraulics and Fluid Mechanics in ME
A jet of water is striking at the centre of a curved vane moving with a uniform velocity in the direction of jet. For the maximum efficiency, the vane velocity is ________ of the jet velocity

Two-third
Three-fourth
One-third
One-half

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Hydraulics and Fluid Mechanics in ME
When a piping system is made up primarily of friction head and very little of vertical lift, then pump characteristics should be

Steep
Horizontal
First rise and then fall
Nearly horizontal

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Hydraulics and Fluid Mechanics in ME
The unit of viscosity is

Meters² per sec
kg-sec/meter
Newton-sec per meter²
Newton-sec per meter

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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

Orifice
Notch
Weir
Dam

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Hydraulics and Fluid Mechanics in ME
The increase of temperature results in

increase in viscosity of liquid
increase in viscosity of gas
decrease in viscosity of gas
decrease in viscosity of liquid

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