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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The velocity of jet of water traveling out of opening in a tank filled with water is proportional to

h²
h/2
V/T
Head of water (h)

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Hydraulics and Fluid Mechanics in ME
The discharge over a triangular notch is

Inversely proportional to H5/2
Directly proportional to H5/2
Inversely proportional to H3/2
Directly proportional to H3/2

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Hydraulics and Fluid Mechanics in ME
At the center line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be

Maximum
Could be any value
Zero
Minimum

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Hydraulics and Fluid Mechanics in ME
The total pressure on an immersed surface inclined at an angle θ with the liquid surface is

wAx
wx
wA
wAx/sinθ

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Hydraulics and Fluid Mechanics in ME
The number of buckets on the periphery of a Pelton wheel is given by

(D/2d) + 5
(D/2d) + 10
(D/2d) + 15
(D/2d) + 20

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Hydraulics and Fluid Mechanics in ME
Metacentric height is the distance between the metacentre and

center of gravity
center of pressure
water surface
center of buoyancy

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