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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Which of the following instrument can be used for measuring speed of a submarine moving in deep sea

Venturimeter
rotameter
pitot tube
hot wire anemometer

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Hydraulics and Fluid Mechanics in ME
The undershot water wheels are those in which

The wheel runs partly by the weight of water and partly by the impulse of water
The wheel runs entirely by the impulse of water
None of these
The wheel runs entirely by the weight of water

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Hydraulics and Fluid Mechanics in ME
The top of the weir over which the water flows is known as

Orifice
Nappe or vein
Sill or crest
None of these

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Hydraulics and Fluid Mechanics in ME
For very high discharge at low pressure such as for flood control and irrigation applications, following type of pump is preferred

Reciprocating
Axial flow
Mixed flow
Centrifugal

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Hydraulics and Fluid Mechanics in ME
The most efficient section of a channel is

Triangular
Trapezoidal
Square
Rectangular

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Hydraulics and Fluid Mechanics in ME
The loss of pressure head in case of laminar flow is proportional to

(Velocity)3
(Velocity)4
Velocity
(Velocity)2

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