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Hydraulics and Fluid Mechanics in ME

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

Nearly horizontal
Horizontal
Steep
First rise and then fall

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Hydraulics and Fluid Mechanics in ME
The value of coefficient of velocity for a sharp edged orifice __________ with the head of water.

Decreases
Increases
Remain same
None of these

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Hydraulics and Fluid Mechanics in ME
For 450 m head of water, _________ shall be used.

None of these
Pelton wheel
Francis turbine
Kaplan turbine

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Hydraulics and Fluid Mechanics in ME
Medium specific speed of turbine implies it is

Propeller turbine
Impulse turbine
Francis turbine
Any one of the above

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Hydraulics and Fluid Mechanics in ME
The unit power developed by a turbine is (where P = Power developed by the turbine under a head of water (H).

P/ H²
P/ √H
P/ H
P/ H3/2

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Hydraulics and Fluid Mechanics in ME
The force exerted by a jet of water impinging normally on a plate which due to the impact of jet, moves in the direction of jet with a velocity v is

[wa (V - v²)]/g
[wa (V - v)²]/2g
[wa (V - v)]/2g
[wa (V - v)]/g

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