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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
When a tube of smaller diameter is dipped in water, the water rises in the tube with an upward __________ surface.

None of these
Convex
Plane
Concave

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Hydraulics and Fluid Mechanics in ME
The angle of taper on draft tube is

Greater than 8°
Less than 8°
Greater than 5°
Greater than 15°

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Hydraulics and Fluid Mechanics in ME
The discharge of a depressed nappe is 6 to 7 percent __________ that of a free nappe.

Less than
Equal to
More than
None of these

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Hydraulics and Fluid Mechanics in ME
The pressure intensity in kN/m2 (or kPa) at any point in a liquid is (where w = Specific weight of liquid, and h = Depth of liquid from the surface)

w
wh
w/h
h/w

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

Any one of the above
Impulse turbine
Propeller turbine
Francis turbine

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

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