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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The unit of viscosity is

kg-sec/meter
Newton-sec per meter²
Newton-sec per meter
Meters² per sec

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Hydraulics and Fluid Mechanics in ME
If w is the specific weight of liquid and k the depth of any point from the surface, then pressure intensity at that point will be

h/w
wh
w/h
h

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Hydraulics and Fluid Mechanics in ME
The specific speed of a turbine is given by the equation

N√P / H5/4
N√P / H3/2
N√P / H3
N√P / H²

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Hydraulics and Fluid Mechanics in ME
The Thomson's turbine is _________ reaction turbine.

An outward flow
An inward flow
An axial flow
A mixed flow

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Hydraulics and Fluid Mechanics in ME
The depth of center of pressure of an immersed surface, inclined at an angle 'θ' with the liquid surface lies at a distance equal to __________ the center of gravity.

IG sinθ/Ax̅ below
IG sin²θ/Ax̅ below
IG sinθ/Ax̅ above
IG sin²θ/Ax̅ above

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Hydraulics and Fluid Mechanics in ME
The water in a jet propelled boat is drawn through the openings facing the direction of motion of the boat. The efficiency of propulsion is given by

V/(vr - v)
2V/(vr + v)
V/(vr + v)
2V/(vr - v)

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