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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
In a lock-gate, the reaction between two gates is (where P = Resultant pressure on the lock gate, and α = Inclination of the gate with the normal to the side of the lock)

2p/sin (α/2)
p/sinα
2p/sinα
p/2sinα

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Hydraulics and Fluid Mechanics in ME
The power transmitted through the pipe is maximum when the head lost due to friction is equal to

One-half of the total supply head
One-third of the total supply head
One-fourth of the total supply head
Two-third of the total supply head

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

Triangular
Square
Trapezoidal
Rectangular

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Hydraulics and Fluid Mechanics in ME
Which of the following is not a reaction turbine?

Pelton wheel
Thomson's turbine
Journal turbine
Fourneyron turbine

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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

Mixed flow
Reciprocating
Centrifugal
Axial flow

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

turbulent flow
laminar flow
steady flow
uniform flow

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